{"product_id":"dorman-904-642-diesel-exhaust-fluid-def-heater","title":"Dorman 904-642 Diesel Exhaust Fluid (DEF) Heater","description":"\u003ch2\u003eOverview of the Dorman 904-642 Diesel Exhaust Fluid Heater\u003c\/h2\u003e\u003cp\u003eThe Dorman 904-642 Diesel Exhaust Fluid (DEF) Heater is designed specifically for Mercedes-Benz Sprinter, Sprinter 2500, and Sprinter 3500 models. This component ensures proper DEF temperature regulation to maintain emission control system efficiency in cold conditions.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Mercedes-Benz Sprinter, Sprinter 2500, and Sprinter 3500\u003c\/li\u003e\n\u003cli\u003eSpecific fit for precise installation and performance\u003c\/li\u003e\n\u003cli\u003eDurable black plastic housing with a 4.3-inch inside diameter\u003c\/li\u003e\n\u003cli\u003eEquipped with two male electrical connectors featuring 3 to 4 terminals\u003c\/li\u003e\n\u003cli\u003eO-ring type inlet and outlet fittings for secure sealing\u003c\/li\u003e\n\u003cli\u003eIncludes mounting hardware for straightforward installation\u003c\/li\u003e\n\u003cli\u003eElectronic level sensor integration\u003c\/li\u003e\n\u003cli\u003e9-inch height for optimal fitment within the emission system\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dorman 904-642 DEF Heater is engineered to maintain the proper temperature of diesel exhaust fluid in colder environments, preventing crystallization and ensuring the emission system operates efficiently. Its black plastic housing provides durability while keeping the unit lightweight. The heater features two male electrical connectors with multiple terminals, allowing reliable electrical connections. The inlet and outlet fittings use O-ring seals to prevent leaks and maintain system integrity. This DEF heater is a specific fit for Mercedes-Benz Sprinter series vehicles, ensuring compatibility and ease of replacement.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Resolution\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePrevents DEF freezing in low-temperature conditions\u003c\/li\u003e\n\u003cli\u003eMaintains proper DEF flow to the emission system\u003c\/li\u003e\n\u003cli\u003eHelps avoid emission system fault codes related to DEF temperature\u003c\/li\u003e\n\u003cli\u003eSupports compliance with emission regulations by ensuring DEF effectiveness\u003c\/li\u003e\n\u003cli\u003eReduces risk of DEF pump or injector damage due to cold fluid\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Dorman 904-642 DEF Heater, ensure the electrical connectors are securely attached and the O-ring seals are properly seated to prevent leaks. The included mounting hardware facilitates a secure fit within the emission system assembly. Verify compatibility with your specific Mercedes-Benz Sprinter model before installation to ensure proper fitment and function.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The 904-642 DEF Heater undergoes rigorous quality control to ensure it meets emission system requirements. Please refer to Dorman's warranty policy for specific coverage details.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52111224373429,"sku":"BKKY-904-642","price":252.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_904642_Fro.jpg?v=1775160520","url":"https:\/\/www.partcatalog.com\/products\/dorman-904-642-diesel-exhaust-fluid-def-heater","provider":"PartCatalog","version":"1.0","type":"link"}