{"product_id":"dorman-904-385-diesel-exhaust-fluid-def-heater","title":"Dorman 904-385 Diesel Exhaust Fluid (DEF) Heater","description":"\u003ch2\u003eOverview of Dorman 904-385 Diesel Exhaust Fluid Heater\u003c\/h2\u003e\u003cp\u003eThe Dorman 904-385 Diesel Exhaust Fluid (DEF) Heater is designed specifically for BMW X5 models to ensure optimal DEF system performance in cold conditions. This DEF heater helps maintain fluid temperature, preventing crystallization and ensuring proper emission control system operation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with BMW X5 diesel models\u003c\/li\u003e\n\u003cli\u003eSpecific fit for precise installation\u003c\/li\u003e\n\u003cli\u003ePlastic black housing for durability\u003c\/li\u003e\n\u003cli\u003eIncludes mounting hardware for easy setup\u003c\/li\u003e\n\u003cli\u003eDual electrical connectors with male and female terminals\u003c\/li\u003e\n\u003cli\u003eResistor-type level sensor integration\u003c\/li\u003e\n\u003cli\u003eInlet and outlet female fittings\u003c\/li\u003e\n\u003cli\u003eWire insulation made of plastic with multiple wire colors\u003c\/li\u003e\n\u003cli\u003eHeight dimension: 178 mm, inside diameter: 115 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dorman 904-385 DEF heater is engineered to maintain the temperature of diesel exhaust fluid in BMW X5 vehicles, preventing freezing and ensuring consistent DEF flow. The heater features a durable black plastic housing and comes with mounting hardware for a secure fit. It includes two electrical connectors with both male and female terminals, supporting three to four terminal connections, which facilitates reliable electrical integration. The inlet and outlet fittings are female type, designed for compatibility with the vehicle’s DEF system plumbing. The resistor-type level sensor helps monitor fluid levels accurately. Wiring is insulated with plastic and color-coded in black, white, yellow, blue, red, and gray for straightforward installation and troubleshooting.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePrevents DEF freezing in cold weather conditions\u003c\/li\u003e\n\u003cli\u003eEnsures proper DEF flow to the emission control system\u003c\/li\u003e\n\u003cli\u003eHelps maintain compliance with emission regulations\u003c\/li\u003e\n\u003cli\u003eReduces risk of DEF crystallization and clogging\u003c\/li\u003e\n\u003cli\u003eSupports reliable operation of BMW X5 diesel exhaust systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDesigned for specific fitment on BMW X5 diesel models; verify compatibility before installation\u003c\/li\u003e\n\u003cli\u003eIncludes mounting hardware for secure attachment; use recommended tools for installation\u003c\/li\u003e\n\u003cli\u003eCheck electrical connector terminals for proper male\/female alignment\u003c\/li\u003e\n\u003cli\u003eEnsure inlet and outlet fittings are properly connected to avoid leaks\u003c\/li\u003e\n\u003cli\u003eFollow vehicle manufacturer guidelines for DEF system maintenance\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, providing reliable performance for emission control components. The 904-385 DEF heater undergoes quality checks to ensure durability and proper function. Warranty coverage details should be confirmed with the product documentation or supplier.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":44327363870901,"sku":"BKKY-904-385","price":281.67,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_904385_Top.jpg?v=1775011787","url":"https:\/\/www.partcatalog.com\/products\/dorman-904-385-diesel-exhaust-fluid-def-heater","provider":"PartCatalog","version":"1.0","type":"link"}