Description:

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Dorman 904-394 Diesel Exhaust Fluid Heater Compatible with Select Chevrolet/GMC Models (OE FIX)

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. [Chevrolet Silverado 2500 HD: 2012, 2013, 2014, 2015, 2016] - [Chevrolet Silverado 3500 HD: 2012, 2013, 2014, 2015, 2016] - [GMC Sierra 2500 HD: 2012, 2013, 2014, 2015, 2016] - [GMC Sierra 3500 HD: 2012, 2013, 2014, 2015, 2016]

Product Features

• 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

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Open Box Condition Notice:

Items are in perfect working condition. Items may have some minor signs of use, and the original protective wrapping may be absent or the item may be repackaged. All accessories will be included.

Return Policy:

You may return any item purchased within 30 days of receiving the shipment.