Upgraded replacement - this diesel exhaust fluid (DEF) heater features additional protection from fluid intrusion
Restores performance - designed to match the fit and function of the original equipment part
Thoroughly tested - each design undergoes cyclical heater element fatigue testing
Trustworthy quality - backed by team of engineers in the United States
Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool
model number: 904-377
Part Number: 904-377
Details: The factory DEF heater on certain vehicles often fails from fluid intrusion. This Dorman OE FIX solution modifies the OEM design to address this failure point and increase reliability. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. [Mercedes-Benz GL320: 2007, 2008, 2009] - [Mercedes-Benz GL350: 2010, 2011, 2012]
