{"product_id":"4326874-genuine-cummins®-nox-nitrogen-oxide-sensor","title":"4326874 | Genuine Cummins® NOx Nitrogen Oxide Sensor","description":"\u003cp\u003e\u003cstrong\u003eDescription:\u003cbr\u003e\u003c\/strong\u003eA NOx (Nitrogen Oxide) sensor\u003cstrong\u003e 4326874 \u003c\/strong\u003eis an electronic device used in internal combustion engines (especially diesel engines) to detect and measure the concentration of nitrogen oxides (NO and NO₂) in the exhaust gases. These pollutants are harmful to human health and the environment, so monitoring and controlling them is crucial for meeting emissions regulations. NOx Nitrogen Oxide Sensor For Cummins engine systems ISX15, ISX12, ISL9 and ISB6.7.\u003cbr\u003e\u003cstrong\u003e\u003cbr\u003ePart Number\u003c\/strong\u003e: 4326874 \u003cbr\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003cspan\u003e: New\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eManufacture\/Brand\u003c\/strong\u003e\u003cspan\u003e: Cummins\u003cbr\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003eFits 4326874 \u003c\/strong\u003eFor Cummins engine systems ISX15, ISX12, ISL9 and ISB6.7.\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e \n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eKenworth:\u003c\/strong\u003e T660, T680, T700, T800, T880, W900, C500\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePeterbilt:\u003c\/strong\u003e 320, 365, 367, 384, 386, 388, 389, 520, 567, 579, 587\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFreightliner:\u003c\/strong\u003e Cascadia, Columbia, Coronado, M2, 108SD and other Cummins-equipped chassis\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternational:\u003c\/strong\u003e ProStar, LoneStar, HX, LT and other Cummins-equipped models\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWestern Star:\u003c\/strong\u003e 4700, 4900, 6900\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVolvo:\u003c\/strong\u003e VNL\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlue Bird:\u003c\/strong\u003e several Cummins-powered school buses\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003cstrong\u003e\u003cbr\u003ePurpose of using 4326874:\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003e1. Emissions Control\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMeasures NOx levels in the exhaust to ensure they stay within legal limits (EPA, Euro 6, etc.)\u003cbr\u003eHelps reduce harmful pollutants that contribute to:\u003cbr\u003eAir pollution\u003cbr\u003eSmog\u003cbr\u003eAcid rain\u003cbr\u003eRespiratory and cardiovascular problems\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2. Enables SCR (Selective Catalytic Reduction) System\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSCR uses Diesel Exhaust Fluid (DEF\/AdBlue) to convert NOx into harmless nitrogen (N₂) and water (H₂O).\u003cbr\u003eThe NOx sensor provides feedback to control how much DEF to inject.\u003cbr\u003eEnsures proper dosing to avoid:\u003cbr\u003eOveruse (wasting DEF)\u003cbr\u003eUnderuse (failing emissions requirements)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3. Engine Performance Optimization\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWorks with the ECU (Engine Control Unit) to adjust:\u003cbr\u003eAir-fuel ratio\u003cbr\u003eExhaust gas recirculation (EGR)\u003cbr\u003eCombustion timing\u003cbr\u003eHelps balance fuel economy, power, and emissions\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4. Diagnostic and Safety Functions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eDetects when emissions systems (like SCR or DPF) are failing or underperforming\u003cbr\u003eTriggers check engine lights, fault codes, or limp mode if NOx levels exceed safe limits\u003cbr\u003eRequired for onboard diagnostics (OBD) compliance\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSigns of a Bad NOx Nitrogen Oixide Sensor 4326874:\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eCheck engine light (MIL)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePoor fuel efficiency\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigh DEF (AdBlue) consumption\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFailed emissions tests\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eError codes like \u003cstrong\u003eP2201\u003c\/strong\u003e, \u003cstrong\u003eP229F\u003c\/strong\u003e, \u003cstrong\u003eP20EE\u003c\/strong\u003e, etc.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAbout the Manufacturer – \u003c\/strong\u003e\u003cstrong\u003eCummins:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCummins is a leading American manufacturer of diesel and natural gas engines, as well as power generation systems and emissions solutions. Founded in 1919 and headquartered in Columbus, Indiana, Cummins is known globally for its durable, high-performance engines used in trucks, buses, construction equipment, agriculture, and power systems.\u003c\/p\u003e\n\u003cp\u003eThe brand is widely respected for its innovation in clean diesel technology, including aftertreatment systems, turbochargers, and advanced electronics that help reduce emissions while maximizing engine efficiency and reliability.\u003c\/p\u003e","brand":"Cummins","offers":[{"title":"Default Title","offer_id":51040994427127,"sku":"4326874","price":399.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0895\/7080\/3959\/files\/4326874-genuine-international-outlet-nox-nitrogen-oxide-sensor-advanced-truck-parts-17645_900x_ad9b7a80-8711-4ce1-a6f2-274a0f51cd34.webp?v=1787082986","url":"https:\/\/forcetruckparts.com\/products\/4326874-genuine-cummins%c2%ae-nox-nitrogen-oxide-sensor","provider":"Force Truck Parts","version":"1.0","type":"link"}