{"product_id":"spectra-em1212urh-diesel-exhaust-fluid-def-heater","title":"Spectra EM1212URH Diesel Exhaust Fluid (DEF) Heater","description":"\u003ch2\u003eDEF Heater for Diesel Emission Control\u003c\/h2\u003e\u003cp\u003eThe Spectra EM1212URH diesel exhaust fluid heater helps maintain DEF flow in cold-weather operation and supports accurate fluid level sensing. It is built for diesel emission control systems on select Chevrolet Silverado 2500 HD, Chevrolet Silverado 3500 HD, GMC Sierra 2500 HD, and GMC Sierra 3500 HD models.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePrecisely calibrated heater and temperature sensor\u003c\/li\u003e\n\u003cli\u003eHelps prevent DEF from freezing during normal vehicle operation\u003c\/li\u003e\n\u003cli\u003eSupports accurate DEF level indication\u003c\/li\u003e\n\u003cli\u003eOE requirement validation by in-house Canadian engineering team\u003c\/li\u003e\n\u003cli\u003eDirect replacement for select GM diesel applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Overview\u003c\/h2\u003e\u003cp\u003ePart number EM1212URH is a Spectra Premium diesel exhaust fluid (DEF) heater designed for emission control systems that rely on stable DEF temperature and level monitoring. When the DEF tank is not properly heated, freezing can affect system operation and trigger warning lights or reduced vehicle speed. This heater is built for 2011-2016 Chevrolet Silverado 2500 HD and Silverado 3500 HD, as well as 2011-2016 GMC Sierra 2500 HD and Sierra 3500 HD diesel applications.\u003c\/p\u003e\u003cp\u003eThis part cross-references Standard Ignition DFH106 for the same application. EM1212URH is a practical replacement choice when servicing DEF heater faults on Silverado 2500 HD, Silverado 3500 HD, Sierra 2500 HD, and Sierra 3500 HD trucks.\u003c\/p\u003e\u003ch2\u003eCommon Problems This Part Addresses\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDEF freezing in cold temperatures\u003c\/li\u003e\n\u003cli\u003eIncorrect DEF level readings\u003c\/li\u003e\n\u003cli\u003eCheck engine light related to DEF system faults\u003c\/li\u003e\n\u003cli\u003eReduced vehicle speed caused by low DEF or sensor issues\u003c\/li\u003e\n\u003cli\u003eEmission system performance problems tied to heater failure\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eVerify vehicle year, make, model, and emission system configuration before installation. Confirm connector condition, tank sensor operation, and related DEF system codes during diagnosis. For best results, inspect the DEF tank and wiring harness for contamination, corrosion, or damage before replacing the heater.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eSpectra Premium validates these DEF heaters through in-house Canadian engineering review to meet OE requirements. Part number EM1212URH is engineered for dependable operation in diesel emission control service.\u003c\/p\u003e","brand":"Spectra","offers":[{"title":"Default Title","offer_id":52827921940661,"sku":"BCNK-EM1212URH","price":323.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/SQ_EM1212URH_Fro.jpg?v=1784614699","url":"https:\/\/www.partcatalog.com\/products\/spectra-em1212urh-diesel-exhaust-fluid-def-heater","provider":"PartCatalog","version":"1.0","type":"link"}