{"product_id":"dorman-904-379-diesel-exhaust-fluid-def-heater","title":"Dorman 904-379 Diesel Exhaust Fluid (DEF) Heater","description":"\u003ch2\u003eOverview of Dorman Diesel Exhaust Fluid Heater 904-379\u003c\/h2\u003e\u003cp\u003eThe Dorman 904-379 Diesel Exhaust Fluid (DEF) Heater is engineered specifically for Mercedes-Benz Sprinter 2500 and Sprinter 3500 models. Designed to maintain optimal DEF temperature, this component ensures proper emission control system performance in cold conditions.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Mercedes-Benz Sprinter 2500 and Sprinter 3500\u003c\/li\u003e\n\u003cli\u003eBlack plastic housing and hose for durability and corrosion resistance\u003c\/li\u003e\n\u003cli\u003eHose inside diameter of 115 mm and length of 85 mm\u003c\/li\u003e\n\u003cli\u003eEquipped with two electrical connectors and four terminal connections\u003c\/li\u003e\n\u003cli\u003ePlastic hose fittings with male ends on both sides for secure connections\u003c\/li\u003e\n\u003cli\u003eSpecific fitment designed for precise installation and function\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dorman 904-379 DEF Heater features a robust black plastic housing and hose construction, providing resistance to harsh environmental factors and chemical exposure from diesel exhaust fluid. The hose has an inside diameter of 115 mm and a length of 85 mm, with both ends fitted with male plastic connectors to ensure a tight, leak-free seal. The heater includes two electrical connectors with four terminals, facilitating reliable electrical connections necessary for efficient heating operation. This part is a specific fit for Mercedes-Benz Sprinter 2500 and Sprinter 3500 models, ensuring compatibility and ease of installation.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Resolution\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePrevents DEF freezing in cold weather conditions\u003c\/li\u003e\n\u003cli\u003eMaintains proper DEF fluid temperature for emission system compliance\u003c\/li\u003e\n\u003cli\u003eReduces risk of emission system faults related to DEF temperature\u003c\/li\u003e\n\u003cli\u003eSupports efficient operation of selective catalytic reduction (SCR) systems\u003c\/li\u003e\n\u003cli\u003eHelps avoid engine derate or limp mode caused by DEF system errors\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Dorman 904-379 DEF Heater on Mercedes-Benz Sprinter 2500 or 3500 vehicles, ensure all electrical connections are secure and free of corrosion. Verify that the hose fittings are properly seated with male ends connected to corresponding female fittings to prevent leaks. Follow manufacturer torque specifications and safety procedures during installation. Testing the heater function after installation is recommended to confirm proper operation before vehicle use.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 904-379 DEF Heater undergoes rigorous quality control to ensure durability and reliable performance in emission control systems. Warranty coverage details should be confirmed with the product documentation or supplier, as warranty terms may vary.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":51934302273717,"sku":"BKKY-904-379","price":248.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_904379_Fro.jpg?v=1775011786","url":"https:\/\/www.partcatalog.com\/products\/dorman-904-379-diesel-exhaust-fluid-def-heater","provider":"PartCatalog","version":"1.0","type":"link"}