{"product_id":"2872942-genuine-cummins-nox-nitrogen-oxide-exhaust-sensor","title":"2872942 Genuine Cummins Nox Nitrogen Oxide Exhaust Sensor","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp data-start=\"102\" data-end=\"501\"\u003eThe 2872942 is a genuine Cummins Nox Nitrogen Oxide Sensor designed for EPA13 ISX\/QSX 15-liter engine applications. This sensor measures NOx levels in the exhaust stream and sends emissions data to the engine control module 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 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=\"1197\" data-start=\"1045\"\u003eThe 2872942 Nox Nitrogen Oxide Sensor is manufactured to Cummins factory specifications for exhaust gas measurement and after-treatment system feedback.\u003cspan class=\"PDq2pG_selectionAnchor\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-end=\"1751\" data-start=\"1199\"\u003e\n\u003cli data-end=\"1285\" data-start=\"1199\"\u003eTracks nitrogen oxide output from the exhaust stream for ECM emissions calculations.\u003c\/li\u003e\n\u003cli data-end=\"1351\" data-start=\"1286\"\u003eSends exhaust sensor input used to control SCR system response.\u003c\/li\u003e\n\u003cli data-end=\"1426\" data-start=\"1352\"\u003eHelps the ECM adjust DEF\/AdBlue dosing based on measured NOx conditions.\u003c\/li\u003e\n\u003cli data-end=\"1500\" data-start=\"1427\"\u003eSupports EGR-related emissions strategy through monitored exhaust data.\u003c\/li\u003e\n\u003cli data-end=\"1587\" data-start=\"1501\"\u003eProvides input used when diagnosing NOx sensor, SCR efficiency, or emissions faults.\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\u003e2872942\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=\"2571\" data-start=\"2270\"\u003eThe 2872942 should be installed in the correct exhaust sensor location with the wiring routed away from heat exposure and the connector seated securely. Confirm ECM communication after installation and check for active SCR, DEF, or NOx-related diagnostic codes before returning the vehicle to service.\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\" data-end=\"2727\" data-start=\"2573\"\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":43455345360959,"sku":"2872942","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\/2872942-genuine-cummins-nox-nitrogen-oxide-exhaust-sensor","provider":"Line Truck Parts","version":"1.0","type":"link"}