{"product_id":"dorman-904-376-diesel-exhaust-fluid-def-heater","title":"Dorman 904-376 Diesel Exhaust Fluid (DEF) Heater","description":"\u003ch2\u003eOverview of the Dorman 904-376 Diesel Exhaust Fluid Heater\u003c\/h2\u003e\u003cp\u003eThe Dorman 904-376 Diesel Exhaust Fluid (DEF) Heater is designed specifically for select Chevrolet and GMC models, including the Express 2500, Express 3500, Savana 2500, and Savana 3500. This DEF heater ensures proper fluid temperature management to maintain emission control system efficiency in cold conditions.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eInside diameter of 115 mm for precise fitment\u003c\/li\u003e\n\u003cli\u003eIncludes two electrical connectors with male and female terminals\u003c\/li\u003e\n\u003cli\u003eMounting hardware included for straightforward installation\u003c\/li\u003e\n\u003cli\u003eDurable black plastic housing measuring 241 mm in height\u003c\/li\u003e\n\u003cli\u003eFemale inlet and outlet fittings for secure hose connections\u003c\/li\u003e\n\u003cli\u003eResistor-type level sensor integrated\u003c\/li\u003e\n\u003cli\u003eWire insulation made of plastic with multiple wire colors for easy identification\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dorman 904-376 DEF heater is engineered to maintain the optimal temperature of diesel exhaust fluid in colder climates, preventing freezing and ensuring consistent DEF flow. Its specific fitment for Chevrolet Express 2500, Express 3500, GMC Savana 2500, and Savana 3500 models guarantees compatibility and reliable performance. The heater features a plastic housing in black, designed to withstand under-hood conditions while providing durability. The unit includes two electrical connectors with a combination of male and female terminals, supporting secure electrical connections. The resistor-type level sensor helps monitor fluid levels accurately. With mounting hardware included, installation is simplified, and the female inlet and outlet fittings allow for proper hose attachment without additional modifications.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePrevents DEF freezing in low-temperature environments\u003c\/li\u003e\n\u003cli\u003eMaintains proper DEF flow to the emission system\u003c\/li\u003e\n\u003cli\u003eHelps avoid emission control system faults related to DEF temperature\u003c\/li\u003e\n\u003cli\u003eReduces risk of engine derate caused by DEF system malfunctions\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\u003eVerify compatibility with Chevrolet Express 2500, Express 3500, GMC Savana 2500, and Savana 3500 before installation\u003c\/li\u003e\n\u003cli\u003eUse the included mounting hardware for secure and proper placement\u003c\/li\u003e\n\u003cli\u003eEnsure electrical connectors are properly matched (male to female) to avoid connection issues\u003c\/li\u003e\n\u003cli\u003eCheck that inlet and outlet fittings are securely attached to prevent leaks\u003c\/li\u003e\n\u003cli\u003eHandle wiring carefully to maintain insulation integrity and prevent shorts\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman manufactures the 904-376 DEF heater to meet OEM standards for fit, form, and function. The plastic housing and electrical components are designed for durability under typical operating conditions. This part comes with mounting hardware to facilitate installation and is backed by Dorman's quality assurance processes. Please refer to Dorman's official warranty policy for specific coverage details.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":44327362298037,"sku":"BKKY-904-376","price":197.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_904376_Fro.jpg?v=1775011785","url":"https:\/\/www.partcatalog.com\/products\/dorman-904-376-diesel-exhaust-fluid-def-heater","provider":"PartCatalog","version":"1.0","type":"link"}