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Enhanced reliability with upgraded protection against fluid intrusion.
The Dorman Diesel Emissions Fluid Heater is designed to replace the factory DEF heater in select vehicles, addressing common failure points caused by fluid intrusion. This OE FIX solution modifies the original equipment design to enhance reliability and restore performance, ensuring that the heater functions as intended. Each unit is engineered in the United States and undergoes rigorous testing, including cyclical heater element fatigue testing, to guarantee quality and durability.
Constructed from high-quality plastic, this OEM replacement part features a diameter of 4.52 inches and a height of 8.11 inches, making it a precise fit for compatible vehicles. The design includes additional protection against fluid intrusion, which is a common issue with factory-installed heaters. With mounting hardware included, installation is straightforward, allowing for a seamless replacement process.
Features
- Restores performance - designed to match the fit and function of the original equipment part
- Upgraded Replacement - This Diesel Exhaust Fluid (DEF) Heater Features Additional Protection From Fluid Intrusion
- Trustworthy Quality - Backed By Team Of Engineers In The United States
- Thoroughly Tested - Each Design Undergoes Cyclical Heater Element Fatigue Testing
Specifications
- Manufacturer: Dorman
- Manufacturer Part Number: 904-377
- Type: OEM
- Terminal Type: OEM
- Diameter (IN): 4.52 Inch
- Height (IN): 8.11 Inch
- Material: Plastic
- With Gasket: No
- With Mounting Hardware: Yes
Compatibility / Fit
- 2007-2009 Mercedes-Benz GL320
- 2010-2015 Mercedes-Benz GL350
Technical Documents
Shipping & Returns
- This product ships within the continental USA only.
- This product typically ships within 1 to 3 business days.
- Returns are accepted within 30 days for items in like-new condition. For complete details, please see our return policy.
