{"title":"Heating \u0026 A\/C","description":"\u003ch2\u003eGenuine OEM Heating \u0026amp; A\/C Controls\u003c\/h2\u003e\n\u003cp\u003eA heater or A\/C control panel that won't respond, a sleeper cab that won't hold temperature, or an HVAC display gone dark can turn a long haul into a miserable one fast. Because these controls interface directly with the cab's heating and cooling system, a wrong or generic replacement often means buttons that don't match, displays that won't pair correctly, or a system that never quite works right. That's why every part in this collection is genuine OEM, matched to the manufacturer's original part number.\u003c\/p\u003e\n\u003ch3\u003eWhat's in this category\u003c\/h3\u003e\n\u003cp\u003eThis collection covers genuine OEM cab climate controls for heavy-duty trucks, including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHVAC controls\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e— in-cab panels that regulate heating, cooling, and airflow\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeater \u0026amp; air conditioning control panels\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e— combined climate control interfaces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHMI controllers\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e— digital interface controls for sleeper cab heating systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBrands we cover\u003c\/h3\u003e\n\u003cp\u003eThis collection includes genuine OEM heating and A\/C parts for Peterbilt, Freightliner, Thermo King and more.\u003c\/p\u003e\n\u003ch3\u003eWhy order your heating \u0026amp; A\/C parts here\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine OEM only\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e— every part is matched to the manufacturer's original part number, not a generic equivalent\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt for accurate fitment\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e— listings include the exact OEM number so you can verify the right part before you buy\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast turnaround\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e— ships quickly to keep your cab comfortable on the road\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"font-claude-response-body break-words whitespace-normal\"\u003eFAQ\u003c\/h3\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003e\u003cem\u003eWhat does an HVAC control panel do?\u003c\/em\u003e\u003c\/strong\u003e It lets the driver regulate cab temperature, fan speed, and airflow direction, and often displays system status or fault info for the heating and A\/C system.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003e\u003cem\u003eSigns of a failing heater or A\/C control panel?\u003c\/em\u003e\u003c\/strong\u003e Unresponsive buttons or dials, a blank or flickering display, temperature settings that don't take effect, or airflow that won't switch between vents.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003e\u003cem\u003eWhat is an HMI controller used for in a sleeper cab?\u003c\/em\u003e\u003c\/strong\u003e It's the digital interface that lets the driver control and monitor the sleeper cab's standalone heating system — temperature and run time — separate from the truck's main HVAC.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003e\u003cem\u003eGenuine OEM or aftermarket?\u003c\/em\u003e\u003c\/strong\u003e All parts here are genuine OEM — no generic substitutes.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003e\u003cem\u003eHow do I find the right part?\u003c\/em\u003e\u003c\/strong\u003e Match the OEM number on your old panel or controller, or check your service manual, then search that number above.\u003c\/p\u003e","products":[{"product_id":"q21-6038-genuine-peterbilt-hvac-control-for-peterbilt-sleeper-heater","title":"Q21-6038 Genuine Peterbilt HVAC Control For Peterbilt Sleeper Heater","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe Q21-6038 is a genuine Peterbilt HVAC control designed for Peterbilt sleeper heater applications. This HVAC control operates within the heating and air conditioning system and provides control of sleeper compartment climate functions and heater operation. \u003c\/p\u003e\n\u003ch2\u003eProduct Features\u003c\/h2\u003e\n\u003cp\u003eThe Q21-6038 HVAC control is manufactured to Peterbilt factory specifications for sleeper heater climate control operation.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for Peterbilt sleeper heater applications.\u003c\/li\u003e\n\u003cli\u003eFunctions as an HVAC system control module.\u003c\/li\u003e\n\u003cli\u003eProvides control of sleeper compartment heating functions.\u003c\/li\u003e\n\u003cli\u003eManufactured to original equipment specifications.\u003c\/li\u003e\n\u003cli\u003eDesigned to integrate with factory HVAC system components.\u003c\/li\u003e\n\u003cli\u003eMatches original mounting and electrical connection requirements.\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eGeneral Specifications\u003c\/h2\u003e\n\u003cdiv style=\"width: 100%; display: block;\"\u003e\n\u003ctable style=\"height: 90px; width: 100% !important; table-layout: fixed !important; display: table !important;\" class=\"product-table\"\u003e\n\u003ccolgroup\u003e\n\u003ccol style=\"width: 29.7214%;\"\u003e\n\u003ccol style=\"width: 69.969%;\"\u003e\n\u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 20.4px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 10px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eQ21-6038\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePeterbilt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHVAC Control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eYears\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVerify Application\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15.20 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cp\u003eThe Q21-6038 HVAC control should be installed using the factory mounting hardware and electrical connectors specified for the vehicle application. Verify proper operation of heater controls and HVAC functions after installation to ensure correct system performance.\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp\u003eVerify part number, VIN, engine configuration, production date, emissions package, and applicable factory options before installation.\u003c\/p\u003e\n\u003c\/blockquote\u003e","brand":"Peterbilt","offers":[{"title":"Default Title","offer_id":43403493769279,"sku":"Q21-6038","price":459.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0661\/3971\/7695\/files\/001_67c6f02e-235e-4aa3-880c-a8c1215fc9cb.png?v=1782896174"},{"product_id":"a22-67772-001-genuine-freightliner-heater-and-air-conditioning-control-panel","title":"A22-67772-001 Genuine Freightliner Heater and Air Conditioning Control Panel","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eThe A22-67772-001 is a genuine Freightliner heater and air conditioning control panel designed for cab climate control system applications. This control panel allows the operator to manage heating and air conditioning functions, including temperature adjustment and blower fan operation, to maintain desired cabin conditions.\u003c\/p\u003e\n\u003ch2\u003eProduct Features\u003c\/h2\u003e\n\u003cp\u003eThe A22-67772-001 control panel is manufactured to Freightliner specifications for HVAC system operation and cabin climate management.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Freightliner heater and air conditioning control panel\u003c\/li\u003e\n\u003cli\u003eControls heating system settings within the cab\u003c\/li\u003e\n\u003cli\u003eAllows adjustment of air conditioning functions\u003c\/li\u003e\n\u003cli\u003eProvides blower fan speed control\u003c\/li\u003e\n\u003cli\u003eSupports cabin temperature regulation\u003c\/li\u003e\n\u003cli\u003eDesigned for integration with OEM HVAC components\u003c\/li\u003e\n\u003cli\u003eManufactured as a new service component\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eGeneral Specifications\u003c\/h2\u003e\n\u003cdiv style=\"width: 100%; display: block;\"\u003e\n\u003ctable style=\"height: 156.4px; width: 100% !important; table-layout: fixed !important; display: table !important;\" class=\"product-table\"\u003e\n\u003ccolgroup\u003e\n\u003ccol style=\"width: 29.7315%;\"\u003e\n\u003ccol style=\"width: 70.0128%;\"\u003e\n\u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eA22-67772-001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 24.4px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFreightliner\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 24.4px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHeater and Air Conditioning Control Panel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 24.4px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003ePrimary Functions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHeater and A\/C Controls\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 24.4px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eClimate Control Functions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTemperature and Fan Speed Adjustment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.08 Lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cp\u003eThe A22-67772-001 control panel should be installed using the appropriate HVAC service procedures for the vehicle application. Inspect electrical connectors, mounting points, and climate control interfaces before installation to ensure proper communication with the heating and air conditioning systems.\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp\u003eVerify part number, VIN, engine configuration, production date, emissions package, and applicable factory options before installation.\u003c\/p\u003e\n\u003c\/blockquote\u003e","brand":"Freightliner","offers":[{"title":"Default Title","offer_id":43438495891519,"sku":"A22-67772-001","price":629.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0661\/3971\/7695\/files\/57_666f99d3-2d4b-4381-b29e-7aee24b87792.jpg?v=1782892399"},{"product_id":"a22-73379-004-genuine-freightliner-heater-and-air-conditioning-control-panel","title":"A22-73379-004 Genuine Freightliner Heater and Air Conditioning Control Panel","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eThe A22-73379-004 is a genuine Freightliner heater and air conditioning control panel designed for truck cab climate control applications. This panel provides direct control of heating and air conditioning functions, allowing operators to adjust cabin temperature and blower speed as operating conditions change.\u003c\/p\u003e\n\u003ch2\u003eProduct Features\u003c\/h2\u003e\n\u003cp\u003eThe A22-73379-004 heater and air conditioning control panel is manufactured to Freightliner specifications for HVAC system management.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Freightliner HVAC control panel\u003c\/li\u003e\n\u003cli\u003eProvides control of cabin heating functions\u003c\/li\u003e\n\u003cli\u003eAllows adjustment of air conditioning settings\u003c\/li\u003e\n\u003cli\u003eSupports blower fan speed management\u003c\/li\u003e\n\u003cli\u003eDesigned for truck cab climate control systems\u003c\/li\u003e\n\u003cli\u003eEngineered for integration with OEM HVAC components\u003c\/li\u003e\n\u003cli\u003eManufactured as a new service component\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eGeneral Specifications\u003c\/h2\u003e\n\u003cdiv style=\"width: 100%; display: block;\"\u003e\n\u003ctable style=\"height: 156.4px; width: 100% !important; table-layout: fixed !important; display: table !important;\" class=\"product-table\"\u003e\n\u003ccolgroup\u003e\n\u003ccol style=\"width: 29.7315%;\"\u003e\n\u003ccol style=\"width: 70.0128%;\"\u003e\n\u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eA22-73379-004\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 24.4px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFreightliner\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 24.4px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHeater and Air Conditioning Control Panel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 24.4px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eClimate Control Functions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHeater and Air Conditioning Controls\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 24.4px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eAdjustable Functions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTemperature and Fan Speed Control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.08 Lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cp\u003eThe A22-73379-004 control panel should be installed following Freightliner HVAC service procedures and connected to the appropriate vehicle wiring harnesses. Before installation, inspect electrical connectors, mounting locations, and climate control system interfaces for damage or corrosion.\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp\u003eVerify part number, VIN, engine configuration, production date, emissions package, and applicable factory options before installation.\u003c\/p\u003e\n\u003c\/blockquote\u003e","brand":"Freightliner","offers":[{"title":"Default Title","offer_id":43438495924287,"sku":"A22-73379-004","price":629.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0661\/3971\/7695\/files\/57_666f99d3-2d4b-4381-b29e-7aee24b87792.jpg?v=1782892399"},{"product_id":"a2267772001-genuine-freightliner-heater-and-air-conditioning-control-panel","title":"A2267772001 Genuine Freightliner Heater and Air Conditioning Control Panel","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eThe A2267772001 is a genuine Freightliner heater and air conditioning control panel designed for cab climate management applications. This control assembly provides operator access to heating, cooling, and blower functions, allowing adjustment of cabin comfort settings during vehicle operation.\u003c\/p\u003e\n\u003ch2\u003eProduct Features\u003c\/h2\u003e\n\u003cp\u003eThe A2267772001 heater and air conditioning control panel is manufactured to Freightliner specifications for HVAC system control.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Freightliner climate control panel assembly\u003c\/li\u003e\n\u003cli\u003eProvides control of cab heating system functions\u003c\/li\u003e\n\u003cli\u003eAllows adjustment of air conditioning operating settings\u003c\/li\u003e\n\u003cli\u003eControls blower motor speed selection\u003c\/li\u003e\n\u003cli\u003eSupports regulation of interior cabin temperature\u003c\/li\u003e\n\u003cli\u003eDesigned for integration with OEM HVAC components\u003c\/li\u003e\n\u003cli\u003eManufactured as a new service component\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eGeneral Specifications\u003c\/h2\u003e\n\u003cdiv style=\"width: 100%; display: block;\"\u003e\n\u003ctable style=\"height: 156.4px; width: 100% !important; table-layout: fixed !important; display: table !important;\" class=\"product-table\"\u003e\n\u003ccolgroup\u003e \u003ccol style=\"width: 29.7315%;\"\u003e \u003ccol style=\"width: 70.0128%;\"\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eA2267772001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 24.4px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFreightliner\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 24.4px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHeater and Air Conditioning Control Panel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 24.4px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003ePrimary Functions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHeater and A\/C Controls\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 24.4px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eClimate Control Functions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTemperature and Fan Speed Adjustment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.08 Lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cp\u003eThe A2267772001 control panel should be installed following the appropriate Freightliner HVAC service procedures for the vehicle application. Inspect wiring connections, mounting locations, and climate control interfaces before installation to ensure proper communication with the heating and air conditioning systems.\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp\u003eVerify part number, VIN, engine configuration, production date, emissions package, and applicable factory options before installation.\u003c\/p\u003e\n\u003c\/blockquote\u003e","brand":"Freightliner","offers":[{"title":"Default Title","offer_id":43438617034815,"sku":"A2267772001","price":629.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0661\/3971\/7695\/files\/57_666f99d3-2d4b-4381-b29e-7aee24b87792.jpg?v=1782892399"},{"product_id":"a2273379004-genuine-freightliner-heater-and-air-conditioning-control-panel","title":"A2273379004 Genuine Freightliner Heater and Air Conditioning Control Panel","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eThe A2273379004 is a genuine Freightliner heater and air conditioning control panel developed for truck cab HVAC system applications. This component provides access to climate control functions, allowing adjustment of heating output, cooling operation, and blower performance from a central control interface.\u003c\/p\u003e\n\u003ch2\u003eProduct Features\u003c\/h2\u003e\n\u003cp\u003eThe A2273379004 heater and air conditioning control panel is manufactured to Freightliner specifications for cab climate control operation.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Freightliner HVAC control panel assembly\u003c\/li\u003e\n\u003cli\u003eProvides operator control of cabin heating functions\u003c\/li\u003e\n\u003cli\u003eAllows adjustment of air conditioning system settings\u003c\/li\u003e\n\u003cli\u003eSupports management of blower motor operating speeds\u003c\/li\u003e\n\u003cli\u003eDesigned for use in truck cab climate control systems\u003c\/li\u003e\n\u003cli\u003eConfigured for integration with OEM HVAC components\u003c\/li\u003e\n\u003cli\u003eSupplied as a new service replacement component\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eGeneral Specifications\u003c\/h2\u003e\n\u003cdiv style=\"width: 100%; display: block;\"\u003e\n\u003ctable style=\"height: 156.4px; width: 100% !important; table-layout: fixed !important; display: table !important;\" class=\"product-table\"\u003e\n\u003ccolgroup\u003e \u003ccol style=\"width: 29.7315%;\"\u003e \u003ccol style=\"width: 70.0128%;\"\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eA2273379004\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 24.4px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFreightliner\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 24.4px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHeater and Air Conditioning Control Panel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 24.4px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eClimate Control Functions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHeater and Air Conditioning Controls\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 24.4px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eAdjustable Functions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTemperature and Fan Speed Control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.08 Lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cp\u003eThe A2273379004 control panel should be installed using the appropriate Freightliner service procedures for the HVAC system. Inspect electrical terminals, harness connections, mounting points, and related climate control interfaces before installation to ensure proper operation.\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp\u003eVerify part number, VIN, engine configuration, production date, emissions package, and applicable factory options before installation.\u003c\/p\u003e\n\u003c\/blockquote\u003e","brand":"Freightliner","offers":[{"title":"Default Title","offer_id":43438617264191,"sku":"A2273379004","price":629.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0661\/3971\/7695\/files\/57_666f99d3-2d4b-4381-b29e-7aee24b87792.jpg?v=1782892399"},{"product_id":"q216038-genuine-peterbilt-hvac-control","title":"Q216038 Genuine Peterbilt HVAC Control","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe Q216038 is a genuine Peterbilt HVAC Control designed for Peterbilt sleeper heater applications. This HVAC control module operates within the heating, ventilation, and air conditioning system and provides adjustment and control of climate functions within the sleeper compartment. \u003c\/p\u003e\n\u003ch2\u003eProduct Features\u003c\/h2\u003e\n\u003cp\u003eThe Q216038 HVAC Control is manufactured to Peterbilt factory specifications for climate system operation.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for Peterbilt sleeper compartment HVAC applications.\u003c\/li\u003e\n\u003cli\u003eProvides control of heating and ventilation system functions.\u003c\/li\u003e\n\u003cli\u003eInterfaces with factory HVAC electrical components.\u003c\/li\u003e\n\u003cli\u003eSupports operator adjustment of climate system settings.\u003c\/li\u003e\n\u003cli\u003eBuilt to OEM mounting and connector specifications.\u003c\/li\u003e\n\u003cli\u003eEngineered for integration with compatible Peterbilt HVAC systems.\u003c\/li\u003e\n\u003cli\u003eManufactured for heavy-duty truck sleeper environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eGeneral Specifications\u003c\/h2\u003e\n\u003cdiv style=\"width: 100%; display: block;\"\u003e\n\u003ctable style=\"height: 117.6px; width: 100% !important; table-layout: fixed !important; display: table !important;\" class=\"product-table\"\u003e\n\u003ccolgroup\u003e \u003ccol style=\"width: 29.7214%;\"\u003e \u003ccol style=\"width: 69.969%;\"\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\"\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\"\u003eQ216038\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\"\u003ePeterbilt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e\u003cstrong\u003ePart Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\"\u003eHVAC Control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e\u003cstrong\u003eYears\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\"\u003eVerify Application\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e15.20 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cp\u003eThe Q216038 HVAC control should be installed according to Peterbilt service procedures for the applicable climate control system. Inspect all electrical connectors, control circuits, and mounting points during installation to ensure proper HVAC operation.\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp\u003eVerify part number, VIN, engine configuration, production date, emissions package, and applicable factory options before installation.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003cdiv id=\"simple-translate\" class=\"simple-translate-system-theme\"\u003e\n\u003cdiv\u003e\n\u003cdiv style=\"background-image: url('moz-extension:\/\/f0c7af01-14a4-4ca2-976b-23f0daa5b120\/icons\/512.png'); height: 22px; width: 22px; top: 290px; left: 434px;\" class=\"simple-translate-button isShow\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"simple-translate-panel \" style=\"width: 300px; height: 200px; top: 0px; left: 0px; font-size: 13px;\"\u003e\n\u003cdiv class=\"simple-translate-result-wrapper\" style=\"overflow: hidden;\"\u003e\n\u003cdiv class=\"simple-translate-move\" draggable=\"true\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"simple-translate-result-contents\"\u003e\n\u003cp class=\"simple-translate-result\" dir=\"auto\"\u003e \u003c\/p\u003e\n\u003cp class=\"simple-translate-candidate\" dir=\"auto\"\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Peterbilt","offers":[{"title":"Default Title","offer_id":43441279991871,"sku":"Q216038","price":459.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0661\/3971\/7695\/files\/001_67c6f02e-235e-4aa3-880c-a8c1215fc9cb.png?v=1782896174"},{"product_id":"f21-1028-1381-genuine-paccar-hvac-a-c-heater-dash-control","title":"F21-1028-1381 Genuine Paccar HVAC A\/C Heater Dash Control","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe F21-1028-1381 is a genuine Paccar HVAC A\/C heater dash control used to manage cab climate control functions. This control unit provides operator input for heating, air conditioning, and ventilation system adjustments within the vehicle HVAC system.\u003c\/p\u003e\n\u003ch2\u003eProduct Features\u003c\/h2\u003e\n\u003cp\u003eThe F21-1028-1381 HVAC A\/C heater dash control is manufactured to Paccar factory specifications for climate system operation.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-end=\"723\" data-start=\"657\"\u003eControls temperature adjustment and airflow selection functions.\u003cspan class=\"PDq2pG_selectionAnchor\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"782\" data-start=\"724\"\u003eProvides direct operator input for HVAC system settings.\u003c\/li\u003e\n\u003cli data-end=\"844\" data-start=\"783\"\u003eConnects with factory dashboard climate control components.\u003c\/li\u003e\n\u003cli data-end=\"908\" data-start=\"845\"\u003eTransmits control commands to compatible HVAC system modules.\u003c\/li\u003e\n\u003cli data-end=\"976\" data-start=\"909\"\u003eMaintains reliable operation of cab climate adjustment functions.\u003c\/li\u003e\n\u003cli data-end=\"1039\" data-start=\"977\"\u003eSupports proper heating and air conditioning system control.\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdiv style=\"width: 100%; display: block;\"\u003e\n\u003ctable class=\"product-table\" style=\"height: 68.8px; width: 100% !important; table-layout: fixed !important; display: table !important;\"\u003e\n\u003ccolgroup\u003e \u003ccol style=\"width: 29.6663%;\"\u003e \u003ccol style=\"width: 70.1483%;\"\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\"\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\"\u003eF21-1028-1381\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\"\u003ePaccar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 10px;\"\u003e\n\u003ctd style=\"height: 10px;\"\u003e\u003cstrong\u003ePart Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 10px;\"\u003eHVAC A\/C Heater Dash Control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cp\u003eThe F21-1028-1381 should be installed after verifying connector engagement and dash mounting points are free of damage. Confirm HVAC control functions operate correctly after installation.\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp\u003eAlways verify part number, HVAC system configuration, control panel layout, and electrical connector configuration before installation.\u003c\/p\u003e\n\u003c\/blockquote\u003e","brand":"Paccar","offers":[{"title":"Default Title","offer_id":43443532464191,"sku":"F21-1028-1381","price":699.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0661\/3971\/7695\/files\/57_5dbd3bd2-342f-43bc-a999-e1ab12905c9b.jpg?v=1782213531"},{"product_id":"f21-1048-20012-genuine-paccar-hvac-control-head","title":"F21-1048-20012 Genuine Paccar HVAC Control Head","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp data-start=\"82\" data-end=\"317\" class=\"PDq2pG_selectionAnchorContainer\"\u003eThe F21-1048-20012 is a genuine Paccar HVAC control head used in Peterbilt cab climate control systems. This control assembly manages operator inputs for heating, air conditioning, and airflow functions through the vehicle HVAC system.\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eProduct Features\u003c\/h2\u003e\n\u003cp data-start=\"341\" data-end=\"454\" class=\"PDq2pG_selectionAnchorContainer\"\u003eThe F21-1048-20012 HVAC control head is manufactured to Paccar factory specifications for climate system control.\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-start=\"456\" data-end=\"685\"\u003e\n\u003cli data-start=\"456\" data-end=\"490\"\u003eManages heating system functions\u003c\/li\u003e\n\u003cli data-start=\"491\" data-end=\"528\"\u003eControls air conditioning operation\u003c\/li\u003e\n\u003cli data-start=\"529\" data-end=\"561\"\u003eRegulates cab airflow settings\u003c\/li\u003e\n\u003cli data-start=\"562\" data-end=\"597\"\u003eProcesses operator climate inputs\u003c\/li\u003e\n\u003cli data-start=\"598\" data-end=\"637\"\u003eIntegrates with HVAC control circuits\u003c\/li\u003e\n\u003cli data-start=\"638\" data-end=\"685\"\u003eMaintains factory control interface functions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdiv style=\"width: 100%; display: block;\"\u003e\n\u003ctable class=\"product-table\" style=\"height: 156.4px; width: 100% !important; table-layout: fixed !important; display: table !important;\"\u003e\n\u003ccolgroup\u003e\n\u003ccol style=\"width: 29.6663%;\"\u003e\n\u003ccol style=\"width: 70.1483%;\"\u003e\n\u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eF21-1048-20012\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePaccar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHVAC Control Head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVehicle Applications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePeterbilt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.0 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cp data-start=\"966\" data-end=\"1252\" class=\"PDq2pG_selectionAnchorContainer\"\u003eThe F21-1048-20012 should be installed after inspecting the dashboard mounting location, connector terminals, and HVAC control wiring for damage or loose connections. Verify proper operation of temperature adjustment, blower controls, and airflow selection functions after installation.\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp data-start=\"1274\" data-end=\"1421\" class=\"PDq2pG_selectionAnchorContainer\"\u003eAlways verify part number, HVAC system configuration, control head layout, connector design, and Peterbilt vehicle application before installation.\u003cbr\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e","brand":"Paccar","offers":[{"title":"Default Title","offer_id":43449603293247,"sku":"F21-1048-20012","price":459.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0661\/3971\/7695\/files\/57_a7979860-e89b-4fe7-a257-9946e1acc04e.jpg?v=1782816865"},{"product_id":"f21104820012-genuine-paccar-hvac-control-head-for-peterbilt","title":"F21104820012 Genuine Paccar HVAC Control Head For Peterbilt","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp data-start=\"94\" data-end=\"321\" class=\"PDq2pG_selectionAnchorContainer\"\u003eThe F21104820012 is a genuine Paccar HVAC control head designed for Peterbilt vehicles. This unit manages heating, ventilation, and air conditioning functions inside the cabin to maintain proper temperature and airflow control.\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eProduct Features\u003c\/h2\u003e\n\u003cp data-start=\"345\" data-end=\"458\" class=\"PDq2pG_selectionAnchorContainer\"\u003eThe F21104820012 HVAC control head is manufactured to Paccar factory specifications for climate system operation.\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-start=\"460\" data-end=\"850\"\u003e\n\u003cli data-start=\"460\" data-end=\"523\"\u003eControls cabin temperature and airflow distribution settings.\u003c\/li\u003e\n\u003cli data-start=\"524\" data-end=\"583\"\u003eManages HVAC system mode selection and fan speed control.\u003c\/li\u003e\n\u003cli data-start=\"584\" data-end=\"656\"\u003eProvides interface between driver inputs and climate system functions.\u003c\/li\u003e\n\u003cli data-start=\"657\" data-end=\"718\"\u003eSupports proper operation of heating and cooling actuators.\u003c\/li\u003e\n\u003cli data-start=\"719\" data-end=\"784\"\u003eDesigned for integration with OEM Peterbilt electrical systems.\u003c\/li\u003e\n\u003cli data-start=\"785\" data-end=\"850\"\u003eMaintains stable HVAC system response during vehicle operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdiv style=\"width: 100%; display: block;\"\u003e\n\u003ctable class=\"product-table\" style=\"height: 156.4px; width: 100% !important; table-layout: fixed !important; display: table !important;\"\u003e\n\u003ccolgroup\u003e\n\u003ccol style=\"width: 29.6663%;\"\u003e\n\u003ccol style=\"width: 70.1483%;\"\u003e\n\u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eF21104820012\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePaccar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHVAC Control Head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVehicle Applications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePeterbilt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.0 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cp data-start=\"1129\" data-end=\"1403\" class=\"PDq2pG_selectionAnchorContainer\"\u003eThe F21104820012 should be installed after inspecting the dashboard control panel connectors, wiring harness, and mounting brackets for wear or damage. After installation, verify full HVAC function including temperature adjustment, fan operation, and airflow mode selection.\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp data-start=\"1425\" data-end=\"1534\" class=\"PDq2pG_selectionAnchorContainer\"\u003eAlways verify part number, vehicle configuration, HVAC system type, and connector layout before installation.\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e","brand":"Paccar","offers":[{"title":"Default Title","offer_id":43457532756031,"sku":"F21104820012","price":459.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0661\/3971\/7695\/files\/57_a7979860-e89b-4fe7-a257-9946e1acc04e.jpg?v=1782816865"},{"product_id":"q21-1122-genuine-peterbilt-sleeper-hvac-control-unit","title":"Q21-1122 Genuine Peterbilt Sleeper HVAC Control Unit","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\" data-end=\"460\" data-start=\"121\"\u003eThe Q21-1122 is a genuine Peterbilt HVAC Control Unit designed for factory climate control system operation. This control unit manages HVAC functions within the sleeper climate control system and supports proper operation of the original equipment controls.\u003c\/p\u003e\n\u003ch2\u003eProduct Features\u003c\/h2\u003e\n\u003cp data-start=\"354\" data-end=\"475\" class=\"PDq2pG_selectionAnchorContainer\"\u003eThe Q21-1122 HVAC Control Unit is manufactured to Peterbilt factory specifications for sleeper climate control operation.\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-start=\"477\" data-end=\"1039\"\u003e\n\u003cli data-start=\"477\" data-end=\"563\"\u003eDesigned to manage HVAC functions within the factory sleeper climate control system.\u003c\/li\u003e\n\u003cli data-start=\"564\" data-end=\"663\"\u003eSupports operation of the original equipment heating, ventilation, and air conditioning controls.\u003c\/li\u003e\n\u003cli data-start=\"664\" data-end=\"744\"\u003eManufactured to match the OEM electrical interface and mounting configuration.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"818\" data-end=\"899\"\u003eProvides factory-compatible integration with the vehicle's HVAC control system.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"980\" data-end=\"1039\"\u003eSupplied as a new component for OEM service installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdiv style=\"width: 100%; display: block;\"\u003e\n\u003ctable class=\"product-table\" style=\"height: 68.8px; width: 100% !important; table-layout: fixed !important; display: table !important;\"\u003e\n\u003ccolgroup\u003e\n\u003ccol style=\"width: 29.5666%;\"\u003e\n\u003ccol style=\"width: 70.1238%;\"\u003e\n\u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\"\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\"\u003eQ21-1122\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\"\u003ePeterbilt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 10px;\"\u003e\n\u003ctd style=\"height: 10px;\"\u003e\u003cstrong\u003ePart Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 10px;\"\u003eHVAC Control Unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv data-is-intersecting=\"true\" data-turn-id-container=\"request-WEB:5c411b08-eaa8-4dc5-b92c-a6797a754caf-15\" class=\"\"\u003e\n\u003csection data-turn=\"assistant\" data-testid=\"conversation-turn-26\" data-turn-id-container=\"request-WEB:5c411b08-eaa8-4dc5-b92c-a6797a754caf-15\" data-turn-id=\"request-WEB:5c411b08-eaa8-4dc5-b92c-a6797a754caf-15\" dir=\"auto\" class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" data-conversation-screenshot-content=\"\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-turn-start-message=\"true\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-5-5\" dir=\"auto\" data-message-id=\"ac5c9b7a-f13d-4d46-b9ba-c91d65d77d55\" data-message-author-role=\"assistant\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv data-is-intersecting=\"true\" data-turn-id-container=\"request-6a4b7a84-4414-83eb-8fdb-5d56ef7ec505-0\" class=\"\"\u003e\n\u003csection data-turn=\"assistant\" data-testid=\"conversation-turn-44\" data-turn-id-container=\"request-6a4b7a84-4414-83eb-8fdb-5d56ef7ec505-0\" data-turn-id=\"request-6a4b7a84-4414-83eb-8fdb-5d56ef7ec505-0\" dir=\"auto\" class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" data-conversation-screenshot-content=\"\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-turn-start-message=\"true\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-5-5-thinking\" dir=\"auto\" data-message-id=\"a87f2515-6e49-4ffb-adee-7b86e496f7cf\" data-message-author-role=\"assistant\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\" data-end=\"1746\" data-start=\"1349\"\u003eThe Q21-1122 HVAC Control Unit should be installed following the applicable Peterbilt service procedures. Confirm the part number and vehicle configuration before installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cblockquote\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\" data-end=\"1908\" data-start=\"1773\"\u003eVerify part number, VIN, engine configuration, production date, emissions package, and applicable factory options before installation.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003cdiv id=\"simple-translate\" class=\"simple-translate-system-theme\"\u003e\n\u003cdiv\u003e\n\u003cdiv style=\"background-image: url('moz-extension:\/\/f0c7af01-14a4-4ca2-976b-23f0daa5b120\/icons\/512.png'); height: 22px; width: 22px; top: 276px; left: 321px;\" class=\"simple-translate-button isShow\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"simple-translate-panel \" style=\"width: 300px; height: 200px; top: 0px; left: 0px; font-size: 13px;\"\u003e\n\u003cdiv class=\"simple-translate-result-wrapper\" style=\"overflow: hidden;\"\u003e\n\u003cdiv class=\"simple-translate-move\" draggable=\"true\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"simple-translate-result-contents\"\u003e\n\u003cp class=\"simple-translate-result\" dir=\"auto\"\u003e \u003c\/p\u003e\n\u003cp class=\"simple-translate-candidate\" dir=\"auto\"\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Peterbilt","offers":[{"title":"Default Title","offer_id":43497950642239,"sku":"Q21-1122","price":475.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0661\/3971\/7695\/files\/001_33469aac-fd16-475d-b3d7-42ab360f17b2.jpg?v=1783424404"},{"product_id":"f21-1028-1341-genuine-paccar-hvac-a-c-heater-dash-control","title":"F21-1028-1341 Genuine Paccar HVAC A\/C Heater Dash Control","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp data-start=\"97\" data-end=\"401\" class=\"PDq2pG_selectionAnchorContainer\"\u003eThe F21-1028-1341 is a genuine Paccar HVAC A\/C heater dash control designed for compatible Kenworth and Peterbilt cab climate control systems. It provides the driver interface for adjusting heating, ventilation, and air conditioning functions while controlling signals sent to the HVAC system components.\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eProduct Features\u003c\/h2\u003e\n\u003cp data-start=\"430\" data-end=\"552\" class=\"PDq2pG_selectionAnchorContainer\"\u003eThe F21-1028-1341 HVAC A\/C heater dash control is manufactured to Paccar specifications for cab climate control operation.\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-start=\"554\" data-end=\"948\"\u003e\n\u003cli data-start=\"554\" data-end=\"615\"\u003eControls HVAC temperature and airflow adjustment functions.\u003c\/li\u003e\n\u003cli data-start=\"616\" data-end=\"682\"\u003eProvides driver input for heating and air conditioning settings.\u003c\/li\u003e\n\u003cli data-start=\"683\" data-end=\"746\"\u003eIntegrates with factory dashboard climate control components.\u003c\/li\u003e\n\u003cli data-start=\"747\" data-end=\"811\"\u003eCommunicates control commands through the vehicle HVAC system.\u003c\/li\u003e\n\u003cli data-start=\"812\" data-end=\"878\"\u003eMaintains consistent operation of cab comfort control functions.\u003c\/li\u003e\n\u003cli data-start=\"879\" data-end=\"948\"\u003eSupports proper climate system adjustment during vehicle operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdiv style=\"width: 100%; display: block;\"\u003e\n\u003ctable style=\"height: 156.4px; width: 100% !important; table-layout: fixed !important; display: table !important;\" class=\"product-table\"\u003e\n\u003ccolgroup\u003e \u003ccol style=\"width: 29.6663%;\"\u003e \u003ccol style=\"width: 70.1483%;\"\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eF21-1028-1341\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePaccar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHVAC A\/C Heater Dash Control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.0 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cp data-start=\"1208\" data-end=\"1573\" class=\"PDq2pG_selectionAnchorContainer\"\u003eThe F21-1028-1341 should be installed after inspecting the dashboard mounting area, electrical connector, and HVAC wiring harness for damaged terminals, loose connections, or corrosion that could affect climate control operation. After installation, verify all temperature, airflow, and A\/C control functions operate correctly through the complete adjustment range.\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp\u003eAlways verify the part number, vehicle application, HVAC system configuration, and electrical connector type before installation.\u003c\/p\u003e\n\u003c\/blockquote\u003e","brand":"Paccar","offers":[{"title":"Default Title","offer_id":43507097075775,"sku":"F21-1028-1341","price":699.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0661\/3971\/7695\/files\/57_5dbd3bd2-342f-43bc-a999-e1ab12905c9b.jpg?v=1782213531"},{"product_id":"f21-1028-13a1-genuine-paccar-hvac-a-c-heater-dash-control","title":"F21-1028-13A1 Genuine Paccar HVAC A\/C Heater Dash Control","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe F21-1028-13A1 is a genuine Paccar HVAC A\/C heater dash control designed for compatible Kenworth and Peterbilt cab climate control systems. It provides the operator interface for managing heating, ventilation, and air conditioning settings while transmitting control inputs to the vehicle HVAC components.\u003c\/p\u003e\n\u003ch2\u003eProduct Features\u003c\/h2\u003e\n\u003cp data-start=\"532\" data-end=\"655\" class=\"PDq2pG_selectionAnchorContainer\"\u003eThe F21-1028-13A1 HVAC A\/C heater dash control is manufactured to Paccar specifications for cab climate control management.\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"657\" data-end=\"723\"\u003eControls temperature adjustment and airflow selection functions.\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"724\" data-end=\"782\"\u003eProvides direct operator input for HVAC system settings.\u003c\/li\u003e\n\u003cli data-start=\"783\" data-end=\"844\"\u003eConnects with factory dashboard climate control components.\u003c\/li\u003e\n\u003cli data-start=\"845\" data-end=\"908\"\u003eTransmits control commands to compatible HVAC system modules.\u003c\/li\u003e\n\u003cli data-start=\"909\" data-end=\"976\"\u003eMaintains reliable operation of cab climate adjustment functions.\u003c\/li\u003e\n\u003cli data-start=\"977\" data-end=\"1039\"\u003eSupports proper heating and air conditioning system control.\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdiv style=\"width: 100%; display: block;\"\u003e\n\u003ctable class=\"product-table\" style=\"height: 68.8px; width: 100% !important; table-layout: fixed !important; display: table !important;\"\u003e\n\u003ccolgroup\u003e\n\u003ccol style=\"width: 29.6663%;\"\u003e\n\u003ccol style=\"width: 70.1483%;\"\u003e\n\u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\"\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\"\u003eF21-1028-13A1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\"\u003ePaccar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 10px;\"\u003e\n\u003ctd style=\"height: 10px;\"\u003e\u003cstrong\u003ePart Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 10px;\"\u003eHVAC A\/C Heater Dash Control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cp\u003eThe F21-1028-13A1 should be installed after inspecting the dashboard mounting area, electrical connector, and HVAC wiring connections for damaged terminals, corrosion, or loose connections that could affect system operation. After installation, verify temperature control, blower operation, and A\/C functions across the available settings to confirm correct HVAC performance.\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp\u003eAlways verify the part number, vehicle application, HVAC configuration, and connector design before installation.\u003c\/p\u003e\n\u003c\/blockquote\u003e","brand":"Paccar","offers":[{"title":"Default Title","offer_id":43507148062783,"sku":"F21-1028-13A1","price":699.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0661\/3971\/7695\/files\/57_5dbd3bd2-342f-43bc-a999-e1ab12905c9b.jpg?v=1782213531"},{"product_id":"f21-1028-1391-genuine-paccar-hvac-a-c-heater-dash-control","title":"F21-1028-1391 Genuine Paccar HVAC A\/C Heater Dash Control","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\" data-end=\"504\" data-start=\"195\"\u003eThe F21-1028-1391 is a genuine Paccar HVAC A\/C heater dash control designed for compatible Kenworth and Peterbilt cab climate control systems. It manages operator commands for heating, ventilation, and air conditioning functions while communicating adjustment inputs to the vehicle climate control components.\u003cspan class=\"PDq2pG_selectionAnchor\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eProduct Features\u003c\/h2\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\" data-end=\"659\" data-start=\"533\"\u003eThe F21-1028-1391 HVAC A\/C heater dash control is manufactured to Paccar specifications for interior climate system operation.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAdjusts HVAC temperature and airflow settings through driver controls.\u003cspan class=\"PDq2pG_selectionAnchor\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"802\" data-start=\"734\"\u003eProvides control input for heating and air conditioning functions.\u003c\/li\u003e\n\u003cli data-end=\"866\" data-start=\"803\"\u003eInterfaces with factory dashboard climate control components.\u003c\/li\u003e\n\u003cli data-end=\"930\" data-start=\"867\"\u003eSends operating commands through the cab HVAC control system.\u003c\/li\u003e\n\u003cli data-end=\"996\" data-start=\"931\"\u003eMaintains reliable climate adjustment during vehicle operation.\u003c\/li\u003e\n\u003cli data-end=\"1069\" data-start=\"997\"\u003eSupports proper operation of integrated heating and cooling functions.\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdiv style=\"width: 100%; display: block;\"\u003e\n\u003ctable style=\"height: 98px; width: 100% !important; table-layout: fixed !important; display: table !important;\" class=\"product-table\"\u003e\n\u003ccolgroup\u003e\n\u003ccol style=\"width: 29.6663%;\"\u003e\n\u003ccol style=\"width: 70.1483%;\"\u003e\n\u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\"\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e F21-1028-1391\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\"\u003ePaccar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"height: 19.6px;\"\u003e\u003cstrong\u003ePart Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19.6px;\"\u003eHVAC A\/C Heater Dash Control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cp data-start=\"1100\" data-end=\"1459\" class=\"PDq2pG_selectionAnchorContainer\"\u003eThe F21-1028-1391 should be installed after inspecting the dashboard mounting area, wiring harness, and electrical connector for damaged terminals, corrosion, or loose connections that may affect HVAC operation. After installation, test all climate control functions, verify correct switch response, and confirm proper heating, ventilation, and A\/C operation.\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp\u003eAlways verify the part number, vehicle application, HVAC system configuration, and electrical connector type before installation.\u003c\/p\u003e\n\u003c\/blockquote\u003e","brand":"Paccar","offers":[{"title":"Default Title","offer_id":43507178799167,"sku":"F21-1028-1391","price":699.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0661\/3971\/7695\/files\/57_5dbd3bd2-342f-43bc-a999-e1ab12905c9b.jpg?v=1782213531"},{"product_id":"f25-1003-genuine-paccar-cab-air-vent","title":"F25-1003 Genuine Paccar Cab Air Vent","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp data-pm-slice=\"1 1 []\"\u003eThe F25-1003 is a genuine Paccar cab air vent designed for compatible Kenworth T880, T680, and Peterbilt 579 trucks. This component operates within the cabin ventilation system, providing an airflow passage that allows air to enter and circulate through the truck interior.\u003c\/p\u003e\n\u003ch2\u003eProduct Features\u003c\/h2\u003e\n\u003cp data-pm-slice=\"1 1 []\"\u003e\u003cspan\u003eThe F25-1003 cab air vent is manufactured to Paccar factory specifications for airflow distribution within compatible heavy-duty truck cabins.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eDesigned for Kenworth T880, T680, and Peterbilt 579 trucks with compatible cab ventilation configurations.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eProvides an airflow passage for distributing ventilation air throughout the vehicle's cabin interior.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFunctions as part of the cab ventilation system to support air circulation inside the driver's compartment.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDesigned to integrate with the existing ventilation openings and surrounding cab components.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSupports the intended airflow path within the vehicle's factory cabin ventilation arrangement.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eProvides a dedicated ventilation outlet within the specified truck cab configuration.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdiv style=\"width: 100%; display: block;\"\u003e\n\u003ctable class=\"product-table\" style=\"height: 176.4px; width: 100% !important; table-layout: fixed !important; display: table !important;\"\u003e\n\u003ccolgroup\u003e\n\u003ccol style=\"width: 29.6784%;\"\u003e\n\u003ccol style=\"width: 70.1754%;\"\u003e\n\u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eCondition\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNew\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003ePart Number\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eF25-1003\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eBrand\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePaccar\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003ePart Type\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCab Air Vent\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eVehicle\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eKenworth T880, T680; Peterbilt 579\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eSystem\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCabin Ventilation\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eApplication\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCab Air Distribution\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cp data-pm-slice=\"1 1 []\"\u003e\u003cspan\u003eThe F25-1003 cab air vent is designed for installation within the ventilation system of compatible Kenworth and Peterbilt truck cabins. Verify the original vent configuration, mounting opening, and surrounding cab components before installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp data-pm-slice=\"1 1 []\"\u003e\u003cspan\u003eAlways confirm the original part number and cab ventilation configuration before installation to ensure correct fitment.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e","brand":"Paccar","offers":[{"title":"Default Title","offer_id":44124483682367,"sku":"F25-1003","price":149.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0661\/3971\/7695\/files\/46.png?v=1792075399"},{"product_id":"f50-2043-200-genuine-paccar-cab-a-c-liquid-line","title":"F50-2043-200 Genuine Paccar Cab A\/C Liquid Line","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp data-start=\"105\" data-end=\"468\" class=\"PDq2pG_selectionAnchorContainer\"\u003eThe F50-2043-200 is a genuine Paccar cab A\/C liquid line designed for Peterbilt 567 and Kenworth T880 trucks. This refrigerant hose carries high-pressure liquid refrigerant from the condenser toward the expansion valve or evaporator. \u003c\/p\u003e\n\u003ch2 data-start=\"205\" data-end=\"603\" class=\"PDq2pG_selectionAnchorContainer\"\u003eProduct Features\u003c\/h2\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-WEB:58224564-87a4-44d9-8528-02bc733c990f-8\" data-is-intersecting=\"true\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:58224564-87a4-44d9-8528-02bc733c990f-8\" data-turn-id-container=\"request-WEB:58224564-87a4-44d9-8528-02bc733c990f-8\" data-testid=\"conversation-turn-18\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-8 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-WEB:58224564-87a4-44d9-8528-02bc733c990f-8\" data-is-intersecting=\"true\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:58224564-87a4-44d9-8528-02bc733c990f-8\" data-turn-id-container=\"request-WEB:58224564-87a4-44d9-8528-02bc733c990f-8\" data-testid=\"conversation-turn-18\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-8 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv data-conversation-screenshot-content=\"\" class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-id=\"56fba6e4-7996-438e-bcb1-761e3de14324\" data-message-author-role=\"assistant\"\u003e\n\u003cdiv data-dil-widget-copy-target=\"\" class=\"puik-root not-prose not-markdown\" data-theme=\"dark\"\u003e\n\u003cdiv dir=\"auto\" class=\"fv0XaG_DilRenderer fv0XaG_DilResponseRoot w-full max-w-full\" data-d-direction=\"col\"\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-WEB:40769535-1772-4748-95eb-4ac70e8f9621-24\" data-is-intersecting=\"true\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:40769535-1772-4748-95eb-4ac70e8f9621-24\" data-turn-id-container=\"request-WEB:40769535-1772-4748-95eb-4ac70e8f9621-24\" data-testid=\"conversation-turn-8\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-8 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv data-conversation-screenshot-content=\"\" class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden @[53.5rem]\/main:[--thread-content-max-width:48rem] relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"98db2104-055b-5d5a-9dd2-6158f72eee98\" data-turn-start-message=\"true\" dir=\"auto\" data-message-model-slug=\"gpt-5.6-sol-wm\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full dark markdown-new-styling\"\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-WEB:40769535-1772-4748-95eb-4ac70e8f9621-32\" data-is-intersecting=\"true\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:40769535-1772-4748-95eb-4ac70e8f9621-32\" data-turn-id-container=\"request-WEB:40769535-1772-4748-95eb-4ac70e8f9621-32\" data-testid=\"conversation-turn-24\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-8 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv data-conversation-screenshot-content=\"\" class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden @[53.5rem]\/main:[--thread-content-max-width:48rem] relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"02d3e511-770f-5398-b282-dcab5aec7ca8\" data-turn-start-message=\"true\" dir=\"auto\" data-message-model-slug=\"gpt-5.6-sol-wm\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full dark markdown-new-styling\"\u003e\n\u003cp data-start=\"22\" data-end=\"183\" class=\"PDq2pG_selectionAnchorContainer\"\u003eThe F50-2043-200 cab A\/C liquid line is manufactured to Paccar factory specifications for routing liquid refrigerant through the vehicle air-conditioning system.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-start=\"185\" data-end=\"883\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-start=\"185\" data-end=\"301\"\u003eDesigned for the high-pressure side of the cab A\/C circuit, this line carries refrigerant away from the condenser.\u003c\/li\u003e\n\u003cli data-start=\"302\" data-end=\"405\"\u003eLiquid refrigerant travels through the hose before reaching the system’s expansion and cooling stage.\u003c\/li\u003e\n\u003cli data-start=\"406\" data-end=\"527\"\u003eFrom the condenser connection, the formed line establishes the specified path toward the expansion valve or evaporator.\u003c\/li\u003e\n\u003cli data-start=\"528\" data-end=\"649\"\u003eCab cooling operation depends on this section of plumbing to transfer refrigerant between the connected A\/C components.\u003c\/li\u003e\n\u003cli data-start=\"650\" data-end=\"771\"\u003eBuilt as a dedicated liquid-side hose, the component remains separate from the low-pressure refrigerant return circuit.\u003c\/li\u003e\n\u003cli data-start=\"772\" data-end=\"883\" data-is-last-node=\"\"\u003eCorrect routing keeps the line aligned with its assigned fittings throughout the cab air-conditioning system.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2\u003eGeneral Specifications\u003c\/h2\u003e\n\u003cdiv style=\"width: 100%; display: block;\"\u003e\n\u003ctable style=\"height: 88.4px; width: 100% !important; table-layout: fixed !important; display: table !important;\" class=\"product-table\"\u003e\n\u003ccolgroup\u003e \u003ccol style=\"width: 29.5154%;\"\u003e \u003ccol style=\"width: 70.1909%;\"\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eF50-2043-200\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePaccar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 10px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCab A\/C Liquid Line\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cp data-start=\"1947\" data-end=\"2213\"\u003eThe F50-2043-200 should follow the original cab A\/C routing with its fittings properly seated at the corresponding refrigerant-system connections. Recover the refrigerant before disconnecting the old line, then evacuate and leak-test the system before recharging it.\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp data-start=\"2215\" data-end=\"2363\"\u003eVerify vehicle application, fitting configuration, and refrigerant-system routing before installation.\u003c\/p\u003e\n\u003c\/blockquote\u003e","brand":"Paccar","offers":[{"title":"Default Title","offer_id":44124529983551,"sku":"F50-2043-200","price":255.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0661\/3971\/7695\/files\/002_be0dcaa9-dd13-4bb4-816a-6db12f3c585c.png?v=1792077426"},{"product_id":"f37-1022-200-genuine-paccar-a-c-receiver-drier","title":"F37-1022-200 Genuine Paccar A\/C Receiver Drier","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp data-start=\"105\" data-end=\"468\" class=\"PDq2pG_selectionAnchorContainer\"\u003eThe F37-1022-200 is a genuine Paccar air conditioning receiver drier designed for Kenworth, Peterbilt, Freightliner, and International truck applications. This component filters and stores refrigerant so clean, dry R134a reaches the expansion valve and evaporator. \u003c\/p\u003e\n\u003ch2 data-start=\"205\" data-end=\"603\" class=\"PDq2pG_selectionAnchorContainer\"\u003eProduct Features\u003c\/h2\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-WEB:58224564-87a4-44d9-8528-02bc733c990f-8\" data-is-intersecting=\"true\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:58224564-87a4-44d9-8528-02bc733c990f-8\" data-turn-id-container=\"request-WEB:58224564-87a4-44d9-8528-02bc733c990f-8\" data-testid=\"conversation-turn-18\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-8 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-WEB:58224564-87a4-44d9-8528-02bc733c990f-8\" data-is-intersecting=\"true\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:58224564-87a4-44d9-8528-02bc733c990f-8\" data-turn-id-container=\"request-WEB:58224564-87a4-44d9-8528-02bc733c990f-8\" data-testid=\"conversation-turn-18\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-8 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv data-conversation-screenshot-content=\"\" class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-id=\"56fba6e4-7996-438e-bcb1-761e3de14324\" data-message-author-role=\"assistant\"\u003e\n\u003cdiv data-dil-widget-copy-target=\"\" class=\"puik-root not-prose not-markdown\" data-theme=\"dark\"\u003e\n\u003cdiv dir=\"auto\" class=\"fv0XaG_DilRenderer fv0XaG_DilResponseRoot w-full max-w-full\" data-d-direction=\"col\"\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-WEB:40769535-1772-4748-95eb-4ac70e8f9621-24\" data-is-intersecting=\"true\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:40769535-1772-4748-95eb-4ac70e8f9621-24\" data-turn-id-container=\"request-WEB:40769535-1772-4748-95eb-4ac70e8f9621-24\" data-testid=\"conversation-turn-8\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-8 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv data-conversation-screenshot-content=\"\" class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden @[53.5rem]\/main:[--thread-content-max-width:48rem] relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"98db2104-055b-5d5a-9dd2-6158f72eee98\" data-turn-start-message=\"true\" dir=\"auto\" data-message-model-slug=\"gpt-5.6-sol-wm\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full dark markdown-new-styling\"\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-WEB:40769535-1772-4748-95eb-4ac70e8f9621-32\" data-is-intersecting=\"true\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:40769535-1772-4748-95eb-4ac70e8f9621-32\" data-turn-id-container=\"request-WEB:40769535-1772-4748-95eb-4ac70e8f9621-32\" data-testid=\"conversation-turn-24\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-8 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv data-conversation-screenshot-content=\"\" class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden @[53.5rem]\/main:[--thread-content-max-width:48rem] relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"02d3e511-770f-5398-b282-dcab5aec7ca8\" data-turn-start-message=\"true\" dir=\"auto\" data-message-model-slug=\"gpt-5.6-sol-wm\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full dark markdown-new-styling\"\u003e\n\u003cp data-start=\"747\" data-end=\"913\" class=\"PDq2pG_selectionAnchorContainer\"\u003eF37-1022-200 A\/C receiver drier is manufactured to Paccar factory specifications for filtering and storing refrigerant within the vehicle air-conditioning system.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-start=\"915\" data-end=\"1674\"\u003e\n\u003cli data-start=\"915\" data-end=\"1039\"\u003eServing as both a filter and storage chamber, the unit conditions refrigerant before it continues through the A\/C circuit.\u003c\/li\u003e\n\u003cli data-start=\"1040\" data-end=\"1134\"\u003eDrying action keeps moisture from traveling with the refrigerant toward the expansion valve.\u003c\/li\u003e\n\u003cli data-start=\"1135\" data-end=\"1244\"\u003eInternal filtration prevents unwanted material from continuing into downstream air-conditioning components.\u003c\/li\u003e\n\u003cli data-start=\"1245\" data-end=\"1346\"\u003eClean, dry refrigerant exits the receiver drier before reaching the expansion valve and evaporator.\u003c\/li\u003e\n\u003cli data-start=\"1347\" data-end=\"1461\"\u003eConstructed from steel, the enclosed body houses the filtering and refrigerant-storage sections of the assembly.\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2\u003eGeneral Specifications\u003c\/h2\u003e\n\u003cdiv style=\"width: 100%; display: block;\"\u003e\n\u003ctable style=\"height: 88.4px; width: 100% !important; table-layout: fixed !important; display: table !important;\" class=\"product-table\"\u003e\n\u003ccolgroup\u003e \u003ccol style=\"width: 29.5154%;\"\u003e \u003ccol style=\"width: 70.1909%;\"\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eF37-1022-200\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 10px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePaccar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAir Conditioning Receiver Drier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSteel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLength\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10-5\/8 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cp data-start=\"1947\" data-end=\"2213\"\u003eThe F37-1022-200 installs in the air-conditioning refrigerant circuit using the specified #8 pad inlet and outlet connections. Recover the refrigerant before opening the system, then evacuate and leak-test the circuit before charging it with R134a.\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp data-start=\"2485\" data-end=\"2647\" class=\"PDq2pG_selectionAnchorContainer\"\u003eVerify vehicle application, receiver-drier dimensions, port configuration, and refrigerant type before installation.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003cdiv id=\"simple-translate\" class=\"simple-translate-system-theme\"\u003e\n\u003cdiv\u003e\n\u003cdiv style=\"background-image: url('moz-extension:\/\/f0c7af01-14a4-4ca2-976b-23f0daa5b120\/icons\/512.png'); height: 22px; width: 22px; top: 41px; left: 376px;\" class=\"simple-translate-button isShow\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"simple-translate-panel \" style=\"width: 300px; height: 200px; top: 0px; left: 0px; font-size: 13px;\"\u003e\n\u003cdiv class=\"simple-translate-result-wrapper\" style=\"overflow: hidden;\"\u003e\n\u003cdiv class=\"simple-translate-move\" draggable=\"true\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"simple-translate-result-contents\"\u003e\n\u003cp class=\"simple-translate-result\" dir=\"auto\"\u003e \u003c\/p\u003e\n\u003cp class=\"simple-translate-candidate\" dir=\"auto\"\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Paccar","offers":[{"title":"Default Title","offer_id":44124541878335,"sku":"F37-1022-200","price":178.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0661\/3971\/7695\/files\/001_35aadf11-042e-4bf3-b623-b1da668bea7e.png?v=1792078361"},{"product_id":"f21-1047-10012-genuine-paccar-hvac-control-module","title":"F21-1047-10012 Genuine Paccar HVAC Control Module","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp data-end=\"543\" data-start=\"87\"\u003eThe F21-1047-10012 is a genuine Paccar HVAC control module intended for Kenworth T680 and T880 truck cab climate control systems, with a 2024 Kenworth T880 identified as the source vehicle application. This control unit serves as the driver's primary interface for adjusting heating, ventilation, and air conditioning functions, allowing cabin climate settings to be managed through the vehicle's HVAC control system.\u003c\/p\u003e\n\u003ch2\u003eProduct Features\u003c\/h2\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003csection data-turn=\"assistant\" data-testid=\"conversation-turn-34\" data-turn-id-container=\"request-WEB:b5e1bfad-6bed-4dc7-bd14-254f34a2591e-25\" data-turn-id=\"request-WEB:b5e1bfad-6bed-4dc7-bd14-254f34a2591e-25\" dir=\"auto\" class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" data-conversation-screenshot-content=\"\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-turn-start-message=\"true\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-5-5-thinking\" dir=\"auto\" data-message-id=\"1ff028b5-c1f5-45af-9b3a-039db7311bbf\" data-message-author-role=\"assistant\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full dark markdown-new-styling\"\u003e\n\u003cp data-start=\"1087\" data-end=\"1242\" class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cspan\u003eThe F21-1047-10012 HVAC control module is a genuine Paccar cab climate control component configured for driver-operated heating, ventilation, and air conditioning system management.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cspan\u003eProvides a centralized interface for adjusting the truck cabin climate settings\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cspan\u003eDirects driver-selected heating commands through the installed vehicle HVAC control system\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cspan\u003eAllows ventilation adjustments from the designated dashboard climate control location\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cspan\u003eSupports air conditioning function selection through the factory cab control arrangement\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cspan\u003eCoordinates operator climate requests with the connected truck HVAC system\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cspan\u003eMaintains compatibility with the specified Kenworth T680 and T880 cab applications\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdiv style=\"width: 100%; display: block;\"\u003e\n\u003ctable class=\"product-table\" style=\"height: 68.8px; width: 100% !important; table-layout: fixed !important; display: table !important;\"\u003e\n\u003ccolgroup\u003e\n\u003ccol style=\"width: 29.6099%;\"\u003e\n\u003ccol style=\"width: 70.2128%;\"\u003e\n\u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eCondition\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNew\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003ePart Number\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eF21-1047-10012\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eBrand\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePaccar\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003ePart Type\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHVAC Control Module\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eVehicle Applications\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eKenworth T680, Kenworth T880\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eReferenced Model Year\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2024 Kenworth T880\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eSystem\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHeating, Ventilation \u0026amp; Air Conditioning\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eMounting Location\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCab Dashboard\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eFitment Type\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDirect Replacement\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cp data-end=\"2650\" data-start=\"2329\"\u003eThe F21-1047-10012 should be installed after checking the dashboard control opening, examining the HVAC wiring connections, and confirming that the existing control panel arrangement matches the specified module. Following installation, operate the heating, ventilation, and air conditioning controls through their available settings and verify that the connected cab climate system responds correctly.\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\" data-end=\"2806\" data-start=\"2652\"\u003eAlways verify the original control module part number, Kenworth cab configuration, dashboard control layout, electrical connections, and HVAC system arrangement before installation.\u003c\/p\u003e\n\u003c\/blockquote\u003e","brand":"Paccar","offers":[{"title":"Default Title","offer_id":44124765487167,"sku":"F21-1047-10012","price":845.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0661\/3971\/7695\/files\/s-l1600_b12e3522-2a6c-4930-900a-bd0e9058a28e.webp?v=1792081974"},{"product_id":"y6740003-genuine-paccar-hvac-heater-core","title":"Y6740003 Genuine Paccar HVAC Heater Core","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp data-start=\"205\" data-end=\"603\" class=\"PDq2pG_selectionAnchorContainer\"\u003eThe Y6740003 is a genuine Paccar HVAC heater core specified for Peterbilt and Kenworth T680 and T880 truck cabin heating applications, with a 2024 Kenworth T880 identified in the supplied take-off information. This heat exchanger transfers thermal energy from circulating engine coolant to air passing through the HVAC housing, allowing the vehicle's heating system to deliver warmed air into the passenger compartment.\u003c\/p\u003e\n\u003ch2\u003eProduct Features\u003c\/h2\u003e\n\u003cp data-start=\"632\" data-end=\"746\" class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cspan\u003eThe Y6740003 Paccar HVAC heater core is a coolant-to-air heat exchanger that supplies thermal energy to the truck's cabin heating system through the existing HVAC airflow arrangement.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cspan\u003eTransfers heat from circulating engine coolant into the cabin ventilation airstream\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cspan\u003eAllows warmed air to pass through the vehicle's designated HVAC distribution system\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cspan\u003eOperates within the coolant circuit connected to the truck heater assembly\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cspan\u003eProvides an internal heat exchange surface for the passenger compartment heating process\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cspan\u003eWorks with the existing blower airflow to deliver heat through cabin outlets\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cspan\u003eFits the specified heater core application within compatible Paccar cab configurations\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eGeneral Specifications\u003c\/h2\u003e\n\u003cdiv style=\"width: 100%; display: block;\"\u003e\n\u003ctable style=\"height: 147.45px; width: 100% !important; table-layout: fixed !important; display: table !important;\" class=\"product-table\"\u003e\n\u003ccolgroup\u003e\n\u003ccol style=\"width: 29.5139%;\"\u003e\n\u003ccol style=\"width: 70.1389%;\"\u003e\n\u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 10.25px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eCondition\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNew\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003ePart Number\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eY6740003\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eBrand\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePaccar\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003ePart Type\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHVAC Heater Core\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eVehicle Applications\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePeterbilt, Kenworth T680, Kenworth T880\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eReferenced Source Vehicle\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2024 Kenworth T880\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eSystem\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCabin Heating \/ HVAC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eComponent Function\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCoolant-to-Air Heat Exchange\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eFitment Type\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDirect Replacement\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cp data-start=\"1579\" data-end=\"2015\" class=\"PDq2pG_selectionAnchorContainer\"\u003eThe Y6740003 should be installed after draining the necessary coolant from the heating circuit, inspecting the heater hose connections, and checking the HVAC housing for accumulated debris, coolant residue, or damaged sealing surfaces. Once the heater core is secured and the coolant lines are connected, refill and bleed the cooling system according to the applicable service procedure, inspect for leaks, and verify that heated air reaches the cab ventilation outlets.\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp data-start=\"2025\" data-end=\"2165\" class=\"PDq2pG_selectionAnchorContainer\"\u003eAlways verify the original heater core part number, truck cab configuration, HVAC housing dimensions, coolant connection arrangement, and heating system layout before installation.\u003c\/p\u003e\n\u003c\/blockquote\u003e","brand":"Paccar","offers":[{"title":"Default Title","offer_id":44131643883583,"sku":"Y6740003","price":287.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0661\/3971\/7695\/files\/s-l1600_aa388d27-0fa7-428e-b39d-843ff461e980.webp?v=1792148001"}],"url":"https:\/\/linetruckparts.com\/collections\/heating-a-c.oembed","provider":"Line Truck Parts","version":"1.0","type":"link"}