{"product_id":"1954664prx-genuine-cummins-nox-nitrogen-oxide-sensor","title":"1954664PRX Genuine Cummins Nox Nitrogen Oxide Sensor","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp data-start=\"90\" data-end=\"553\"\u003eThe 1954664PRX is a genuine Cummins Nox Nitrogen Oxide Sensor designed for select Peterbilt and Ottawa truck applications equipped with Cummins ISX12 and ISX15 engines. This sensor works in the exhaust emissions control system by reading nitrogen oxide levels and sending data to the ECM for SCR, DEF, and EGR system operation. \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\" 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 class=\"PDq2pG_selectionAnchorContainer\" data-end=\"1245\" data-start=\"1097\"\u003eThe 1954664PRX Nox Nitrogen Oxide Sensor is manufactured to Cummins factory specifications for exhaust gas monitoring and emissions system feedback.\u003cspan class=\"PDq2pG_selectionAnchor\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-end=\"1847\" data-start=\"1247\"\u003e\n\u003cli data-end=\"1337\" data-start=\"1247\"\u003eReads NOx content in the exhaust stream so the ECM can monitor after-treatment activity.\u003c\/li\u003e\n\u003cli data-end=\"1404\" data-start=\"1338\"\u003eProvides input used during SCR operation and DEF dosing control.\u003c\/li\u003e\n\u003cli data-end=\"1501\" data-start=\"1405\"\u003eHelps the engine control system evaluate exhaust conditions during diesel emissions operation.\u003c\/li\u003e\n\u003cli data-end=\"1586\" data-start=\"1502\"\u003eSupports EGR and after-treatment coordination through sensor-based emissions data.\u003c\/li\u003e\n\u003cli data-end=\"1673\" data-start=\"1587\"\u003eAllows the ECM to recognize NOx-related readings that may set emissions fault codes.\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 \u003ccol style=\"width: 29.5666%;\"\u003e \u003ccol style=\"width: 70.1238%;\"\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\u003e1954664PRX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCummins\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNox Nitrogen Oxide Sensor\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 class=\"PDq2pG_selectionAnchorContainer\" data-end=\"2669\" data-start=\"2369\"\u003eThe 1954664PRX should be installed in the correct exhaust sensor location with the harness routed away from heat damage and the connector fully seated. Confirm ECM communication after installation and address any active SCR, DEF, or NOx-related diagnostic codes before returning the truck to service.\u003cspan class=\"PDq2pG_selectionAnchor\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\" data-end=\"2825\" data-start=\"2671\"\u003eVerify part number, VIN, engine configuration, production date, emissions package, and applicable factory options before installation.\u003cspan class=\"PDq2pG_selectionAnchor\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e","brand":"Cummins","offers":[{"title":"Default Title","offer_id":43455345393727,"sku":"1954664PRX","price":389.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0661\/3971\/7695\/files\/001_c7d1a76c-947d-4fb2-b513-2b799f1486d3.png?v=1782387670","url":"https:\/\/linetruckparts.com\/products\/1954664prx-genuine-cummins-nox-nitrogen-oxide-sensor","provider":"Line Truck Parts","version":"1.0","type":"link"}