{"product_id":"55494551-genuine-gm-nox-sensor-upper-for-colorado-canyon-2-8l-diesel","title":"55494551 Genuine GM NOx Sensor Upper For Colorado Canyon 2.8L Diesel","description":"\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003eThe 55494551 is a genuine GM upper nitrogen oxides (NOx) sensor developed for select 2016–2019 Chevrolet Colorado and GMC Canyon trucks powered by the 2.8L Duramax diesel engine. It continuously measures exhaust NOx concentration and delivers real-time information to the engine control module, helping the SCR system maintain proper emissions operation.\u003c\/p\u003e\n\u003ch2\u003eVehicle Compatibility\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; height: autopx;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"width: 8.27338%; text-align: center; height: 19.6px;\"\u003e\u003cstrong\u003eYear\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 26.7986%; text-align: center; height: 19.6px;\"\u003e\u003cstrong\u003eVehicle\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 34.3525%; text-align: center; height: 19.6px;\"\u003e\u003cstrong\u003eEngine\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 29.6763%; text-align: center; height: 19.6px;\"\u003e\u003cstrong\u003eTrims\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 8.27338%;\"\u003e2019\u003c\/td\u003e\n\u003ctd style=\"width: 26.7986%;\"\u003eChevrolet Colorado\u003c\/td\u003e\n\u003ctd style=\"width: 34.3525%;\"\u003e2.8L L4 Diesel\u003c\/td\u003e\n\u003ctd style=\"width: 29.6763%;\"\u003eLT, WT, Z71, ZR2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 8.27338%;\"\u003e2019\u003c\/td\u003e\n\u003ctd style=\"width: 26.7986%;\"\u003eGMC Canyon\u003c\/td\u003e\n\u003ctd style=\"width: 34.3525%;\"\u003e2.8L L4 Diesel\u003c\/td\u003e\n\u003ctd style=\"width: 29.6763%;\"\u003eAll Terrain, Denali, SLE, SLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 8.27338%;\"\u003e2018\u003c\/td\u003e\n\u003ctd style=\"width: 26.7986%;\"\u003eChevrolet Colorado\u003c\/td\u003e\n\u003ctd style=\"width: 34.3525%;\"\u003e2.8L L4 Diesel\u003c\/td\u003e\n\u003ctd style=\"width: 29.6763%;\"\u003eLT, WT, Z71, ZR2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 8.27338%;\"\u003e2018\u003c\/td\u003e\n\u003ctd style=\"width: 26.7986%;\"\u003eGMC Canyon\u003c\/td\u003e\n\u003ctd style=\"width: 34.3525%;\"\u003e2.8L L4 Diesel\u003c\/td\u003e\n\u003ctd style=\"width: 29.6763%;\"\u003eAll Terrain, Denali, SLE, SLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 8.27338%;\"\u003e2017\u003c\/td\u003e\n\u003ctd style=\"width: 26.7986%;\"\u003eChevrolet Colorado\u003c\/td\u003e\n\u003ctd style=\"width: 34.3525%;\"\u003e2.8L L4 Diesel\u003c\/td\u003e\n\u003ctd style=\"width: 29.6763%;\"\u003eLT, WT, Z71, ZR2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 8.27338%;\"\u003e2017\u003c\/td\u003e\n\u003ctd style=\"width: 26.7986%;\"\u003eGMC Canyon\u003c\/td\u003e\n\u003ctd style=\"width: 34.3525%;\"\u003e2.8L L4 Diesel\u003c\/td\u003e\n\u003ctd style=\"width: 29.6763%;\"\u003eDenali, SLE, SLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 8.27338%;\"\u003e2016\u003c\/td\u003e\n\u003ctd style=\"width: 26.7986%;\"\u003eChevrolet Colorado\u003c\/td\u003e\n\u003ctd style=\"width: 34.3525%;\"\u003e2.8L L4 Diesel\u003c\/td\u003e\n\u003ctd style=\"width: 29.6763%;\"\u003eLT, WT, Z71\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 8.27338%;\"\u003e2016\u003c\/td\u003e\n\u003ctd style=\"width: 26.7986%;\"\u003eGMC Canyon\u003c\/td\u003e\n\u003ctd style=\"width: 34.3525%;\"\u003e2.8L L4 Diesel\u003c\/td\u003e\n\u003ctd style=\"width: 29.6763%;\"\u003eSLE, SLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003eGeneral Specifications\u003c\/h2\u003e\n\u003cdiv style=\"width: 100%; display: block;\"\u003e\n\u003ctable class=\"product-table\" style=\"height: 235.2px; width: 100% !important; table-layout: fixed !important; display: table !important;\"\u003e\n\u003ccolgroup\u003e \u003ccol style=\"width: 27.1583%;\"\u003e \u003ccol style=\"width: 72.482%;\"\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\u003e55494551\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNitrogen Oxides Sensor (NOx Sensor)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eYears\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2016–2019\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVehicle\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eChevrolet Colorado, GMC Canyon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePosition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUpper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.8L L4 Diesel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.33 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFitment Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDirect Replacement\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\u003eProduct Features\u003c\/h2\u003e\n\u003cp\u003eThe 55494551 upper nitrogen oxides (NOx) sensor is built to match factory performance and installation requirements:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCalibrated to monitor nitrogen oxide concentration in the exhaust stream during engine operation\u003c\/li\u003e\n\u003cli\u003eDesigned for the original upper sensor mounting location used on compatible 2.8L Duramax diesel engines\u003c\/li\u003e\n\u003cli\u003eConnects with the factory electrical harness for proper communication with the engine control module\u003c\/li\u003e\n\u003cli\u003eSupplies accurate exhaust gas readings required for SCR system management\u003c\/li\u003e\n\u003cli\u003eManufactured to GM specifications for dependable performance in diesel emissions systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eApplication Notes\u003c\/h2\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eThe 55494551 is designed for vehicles equipped with the factory upper NOx sensor location used on the applications listed above. Check the wiring connector, exhaust bung, and mounting threads before installing the sensor to ensure a proper fit.\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eConfirm the part number, VIN, engine configuration, and sensor location before installation.\u003c\/p\u003e\n\u003c\/blockquote\u003e","brand":"GM","offers":[{"title":"Default Title","offer_id":49498972979427,"sku":"55494551","price":314.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0769\/5122\/4547\/files\/s-l1600_1c7d6ffd-4903-435a-9559-37bb65051334.webp?v=1785847911","url":"https:\/\/unitautoparts.com\/products\/55494551-genuine-gm-nox-sensor-upper-for-colorado-canyon-2-8l-diesel","provider":"Unit Auto Parts","version":"1.0","type":"link"}