{"product_id":"4163695c91-genuine-international-def-sensor-16-23g-qls-ssi","title":"4163695C91 Genuine International DEF Sensor 16\/23G QLS SSI","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp data-start=\"98\" data-end=\"444\" class=\"PDq2pG_selectionAnchorContainer\"\u003eThe 4163695C91 is a genuine International DEF sensor developed for 16\/23G QLS SSI diesel exhaust fluid system applications. It measures operating conditions within the DEF system and transfers sensor data to the Selective Catalytic Reduction (SCR) control module to help maintain proper aftertreatment system performance and emissions compliance.\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=\"473\" data-end=\"595\" class=\"PDq2pG_selectionAnchorContainer\"\u003eThe 4163695C91 DEF sensor is manufactured to International specifications for DEF system monitoring and SCR communication.\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-start=\"597\" data-end=\"1042\"\u003e\n\u003cli data-start=\"597\" data-end=\"668\"\u003eMeasures operating parameters within the diesel exhaust fluid system.\u003c\/li\u003e\n\u003cli data-start=\"669\" data-end=\"741\"\u003eTransfers sensor data to compatible SCR electronic control components.\u003c\/li\u003e\n\u003cli data-start=\"742\" data-end=\"818\"\u003eSupports continuous monitoring of DEF system performance during operation.\u003c\/li\u003e\n\u003cli data-start=\"819\" data-end=\"895\"\u003eInterfaces with factory electrical connectors and emissions system wiring.\u003c\/li\u003e\n\u003cli data-start=\"896\" data-end=\"966\"\u003eMaintains dependable communication with vehicle control electronics.\u003c\/li\u003e\n\u003cli data-start=\"967\" data-end=\"1042\"\u003eAssists accurate aftertreatment management through real-time DEF sensing.\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: 117.6px; 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\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\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eInternational\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4163695C91\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDEF Sensor, 16\/23G, QLS SSI\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 data-start=\"1280\" data-end=\"1711\" class=\"PDq2pG_selectionAnchorContainer\"\u003eThe 4163695C91 should be installed after inspecting the sensor mounting location, connector terminals, and sealing surfaces for debris, moisture intrusion, or damaged locking features that could reduce sensor reliability. After installation, confirm secure electrical engagement, verify communication with the SCR controller, and check that the DEF system reports normal operating values using the appropriate diagnostic equipment.\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\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 data-start=\"1726\" data-end=\"1850\" class=\"PDq2pG_selectionAnchorContainer\"\u003eAlways verify the part number, SCR system configuration, DEF assembly, and connector style before installation.\u003c\/p\u003e\n\u003c\/blockquote\u003e","brand":"International","offers":[{"title":"Default Title","offer_id":43503237234751,"sku":"4163695C91","price":389.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0661\/3971\/7695\/files\/s-l960.jpg?v=1783504536","url":"https:\/\/linetruckparts.com\/products\/4163695c91-genuine-international-def-sensor-16-23g-qls-ssi","provider":"Line Truck Parts","version":"1.0","type":"link"}