{"product_id":"a2c89788900-02-genuine-cummins-nox-nitrogen-oxide-sensor","title":"A2C89788900-02 Genuine Cummins Nox Nitrogen Oxide Sensor","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp data-start=\"87\" data-end=\"543\"\u003eThe A2C89788900-02 is a genuine Cummins Nox Nitrogen Oxide Sensor designed for Cummins diesel engine emissions system applications. This sensor operates within the exhaust after-treatment system by measuring nitrogen oxide levels in the exhaust stream and sending data to the ECM for SCR, DEF, and EGR system control. \u003c\/p\u003e\n\u003ch2\u003eProduct Features\u003c\/h2\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\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:b5e1bfad-6bed-4dc7-bd14-254f34a2591e-25\" data-turn-id-container=\"request-WEB:b5e1bfad-6bed-4dc7-bd14-254f34a2591e-25\" data-testid=\"conversation-turn-34\" data-turn=\"assistant\"\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 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-author-role=\"assistant\" data-message-id=\"1ff028b5-c1f5-45af-9b3a-039db7311bbf\" dir=\"auto\" data-message-model-slug=\"gpt-5-5-thinking\" 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-turn-start-message=\"true\" 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=\"2259\" data-start=\"2102\"\u003eThe A2C89788900-02 Nox Nitrogen Oxide Sensor is manufactured to Cummins factory specifications for exhaust emissions measurement and engine control feedback.\u003cspan class=\"PDq2pG_selectionAnchor\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-end=\"2879\" data-start=\"2261\"\u003e\n\u003cli data-end=\"2344\" data-start=\"2261\"\u003eMeasures NOx concentration in the exhaust stream for emissions system monitoring.\u003c\/li\u003e\n\u003cli data-end=\"2419\" data-start=\"2345\"\u003eSends exhaust gas data to the ECM for after-treatment control decisions.\u003c\/li\u003e\n\u003cli data-end=\"2504\" data-start=\"2420\"\u003eSupports SCR operation by providing sensor input for emissions reduction strategy.\u003c\/li\u003e\n\u003cli data-end=\"2574\" data-start=\"2505\"\u003eHelps the DEF dosing system respond to measured exhaust conditions.\u003c\/li\u003e\n\u003cli data-end=\"2656\" data-start=\"2575\"\u003eProvides feedback used during EGR and exhaust after-treatment system operation.\u003c\/li\u003e\n\u003cli data-end=\"2755\" data-start=\"2657\"\u003eAllows the ECM to monitor NOx-related faults when readings are outside expected operating range.\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 style=\"height: 68.8px; width: 100% !important; table-layout: fixed !important; display: table !important;\" class=\"product-table\"\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\u003eA2C89788900-02\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 data-end=\"3714\" data-start=\"3369\"\u003eThe A2C89788900-02 should be installed in the correct exhaust sensor location with the connector fully seated and the harness inspected for heat damage, corrosion, or loose terminals. Confirm ECM communication after installation and clear any active NOx, SCR, DEF, or emissions-related diagnostic codes before returning the equipment to service.\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\" data-end=\"3870\" data-start=\"3716\"\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":43455345295423,"sku":"A2C89788900-02","price":389.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0661\/3971\/7695\/files\/001_40da80af-324f-4923-99cd-7c05d758125b.jpg?v=1782394290","url":"https:\/\/linetruckparts.com\/products\/a2c89788900-02-genuine-cummins-nox-nitrogen-oxide-sensor","provider":"Line Truck Parts","version":"1.0","type":"link"}