{"product_id":"dorman-904-387-diesel-exhaust-fluid-def-heater","title":"Dorman 904-387 Diesel Exhaust Fluid (DEF) Heater","description":"\u003ch2\u003eOverview of Dorman Diesel Exhaust Fluid Heater 904-387\u003c\/h2\u003e\u003cp\u003eThe Dorman 904-387 Diesel Exhaust Fluid (DEF) Heater is designed specifically for select Chevrolet and GMC diesel vans. This component ensures proper DEF temperature regulation to maintain emission system efficiency in cold conditions.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Chevrolet Express 2500, Express 3500, GMC Savana 2500, and Savana 3500\u003c\/li\u003e\n\u003cli\u003eIncludes one diesel emissions fluid heater and one coupler\u003c\/li\u003e\n\u003cli\u003eBlack plastic housing and hose fitting materials for durability\u003c\/li\u003e\n\u003cli\u003eSpecific fitment with male and female hose end fittings\u003c\/li\u003e\n\u003cli\u003eEquipped with two electrical connectors and six terminals for secure connections\u003c\/li\u003e\n\u003cli\u003eMounting hardware included for straightforward installation\u003c\/li\u003e\n\u003cli\u003eHose inner lining and outer jacket made of plastic, 85 mm hose length\u003c\/li\u003e\n\u003cli\u003eHeight of 241 mm and hose inside diameter of 115 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dorman 904-387 DEF Heater is engineered to maintain the diesel exhaust fluid at optimal temperatures, preventing freezing and ensuring consistent flow in emission control systems. Its black plastic housing and hose fittings provide resistance to corrosion and wear, suitable for the demanding environments of Chevrolet Express and GMC Savana diesel vans. The heater features a resistor-type level sensor and comes with two electrical connectors (male and female) with six terminals, facilitating reliable electrical integration. The hose ends are male fittings, designed for specific vehicle applications, ensuring a precise and secure connection. This part includes mounting hardware and a coupler, streamlining the replacement process.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePrevents DEF freezing in cold weather conditions\u003c\/li\u003e\n\u003cli\u003eMaintains proper DEF flow to the emission system\u003c\/li\u003e\n\u003cli\u003eReduces risk of emission system faults related to DEF temperature\u003c\/li\u003e\n\u003cli\u003eHelps avoid engine derate caused by DEF system errors\u003c\/li\u003e\n\u003cli\u003eSupports compliance with emission regulations by ensuring DEF system functionality\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDesigned for specific fitment on Chevrolet Express 2500\/3500 and GMC Savana 2500\/3500 models\u003c\/li\u003e\n\u003cli\u003eIncludes mounting hardware and coupler for ease of installation\u003c\/li\u003e\n\u003cli\u003eEnsure electrical connectors are properly matched (male\/female) and terminals securely connected\u003c\/li\u003e\n\u003cli\u003eVerify hose fittings are correctly oriented (male ends) to prevent leaks\u003c\/li\u003e\n\u003cli\u003eFollow vehicle manufacturer guidelines for DEF system maintenance during installation\u003c\/li\u003e\n\u003c\/ul\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 904-387 DEF Heater undergoes quality checks to ensure durability and reliable operation within the emission control system. Warranty coverage details should be confirmed with the point of purchase or vehicle manufacturer, as they may vary.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":44327366459573,"sku":"BKKY-904-387","price":205.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_904387_Fro.jpg?v=1775011788","url":"https:\/\/www.partcatalog.com\/products\/dorman-904-387-diesel-exhaust-fluid-def-heater","provider":"PartCatalog","version":"1.0","type":"link"}