{"product_id":"nox-sensor-gm-12671388-12669595-5wk96645h-scr-unit","title":"NOx Nitrogen Oxygen Sensor for GM Express \/ Silverado \/ Savana \/ Sierra 12671388 \/ 12669595 \/ 5WK9 6645H SCR Emission System Unit","description":"\u003cp data-start=\"158\" data-end=\"339\"\u003e\u003cstrong data-start=\"158\" data-end=\"169\"\u003eFITMENT\u003c\/strong\u003e\u003cbr data-start=\"169\" data-end=\"172\"\u003eCompatible with GM diesel vehicles equipped with SCR (Selective Catalytic Reduction) AdBlue emission systems requiring NOx monitoring.\u003cbr data-start=\"306\" data-end=\"309\"\u003eCommon applications include:\u003c\/p\u003e\n\u003cul data-start=\"340\" data-end=\"621\"\u003e\n\u003cli data-section-id=\"1xvgv9g\" data-start=\"340\" data-end=\"373\"\u003eChevrolet Express 2500 \/ 3500\u003c\/li\u003e\n\u003cli data-section-id=\"1d9iy1g\" data-start=\"374\" data-end=\"422\"\u003eChevrolet Silverado HD (diesel SCR variants)\u003c\/li\u003e\n\u003cli data-section-id=\"s5o291\" data-start=\"423\" data-end=\"449\"\u003eGMC Savana 2500 \/ 3500\u003c\/li\u003e\n\u003cli data-section-id=\"1b4g2nn\" data-start=\"450\" data-end=\"532\"\u003eGMC Sierra HD diesel models (SCR equipped versions)\u003cbr data-start=\"503\" data-end=\"506\"\u003eUsing reference numbers:\u003c\/li\u003e\n\u003cli data-section-id=\"zchnhk\" data-start=\"533\" data-end=\"545\"\u003e12671388\u003c\/li\u003e\n\u003cli data-section-id=\"90gzyj\" data-start=\"546\" data-end=\"558\"\u003e12669595\u003c\/li\u003e\n\u003cli data-section-id=\"1hgac2h\" data-start=\"559\" data-end=\"621\"\u003e5WK9 6645H (Continental\/VDO sensor family cross-reference)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"623\" data-end=\"731\"\u003eDesigned for exhaust aftertreatment systems to ensure emissions compliance and proper AdBlue dosing control.\u003c\/p\u003e\n\u003chr data-start=\"733\" data-end=\"736\"\u003e\n\u003cp data-start=\"738\" data-end=\"942\"\u003e\u003cstrong data-start=\"738\" data-end=\"745\"\u003eFAQ\u003c\/strong\u003e\u003cbr data-start=\"745\" data-end=\"748\"\u003eQ1: What is the function of this NOx sensor?\u003cbr data-start=\"792\" data-end=\"795\"\u003eA1: It measures nitrogen oxide (NOx) levels in the exhaust system and sends data to the ECU to control AdBlue\/DEF injection and reduce emissions.\u003c\/p\u003e\n\u003cp data-start=\"944\" data-end=\"1109\"\u003eQ2: Where is it installed?\u003cbr data-start=\"970\" data-end=\"973\"\u003eA2: It is installed in the SCR exhaust system, typically upstream or downstream of the catalytic converter depending on configuration.\u003c\/p\u003e\n\u003cp data-start=\"1111\" data-end=\"1269\"\u003eQ3: What are symptoms of failure?\u003cbr data-start=\"1144\" data-end=\"1147\"\u003eA3: Check engine light, SCR\/DEF warning messages, NOx sensor fault codes, reduced engine power, or limp mode activation.\u003c\/p\u003e\n\u003cp data-start=\"1271\" data-end=\"1441\"\u003eQ4: Are 12671388 and 12669595 interchangeable?\u003cbr data-start=\"1317\" data-end=\"1320\"\u003eA4: Yes, both are GM OEM reference numbers used for the same SCR NOx sensor depending on production or system revision.\u003c\/p\u003e","brand":"ASHENG","offers":[{"title":"Default Title","offer_id":51652456644740,"sku":"5WK9 6645H \/12669595","price":221.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/8313\/1012\/files\/12_e29518e2-50e7-4412-814e-64c9185ac9f0.jpg?v=1773993640","url":"https:\/\/www.jslook.com\/products\/nox-sensor-gm-12671388-12669595-5wk96645h-scr-unit","provider":"ASHENG","version":"1.0","type":"link"}