dorman
Dorman 904394 Def Heater
- SKU:
- 21654353
- MPN:
- 904394
- Availability:
- Usually ships the same or next business day. In stock at our PA warehouse.
- Shipping:
- Calculated at Checkout
- Stock Update:
- 09/12/2026 12:37:49 AM PST
- Stock Update:
- 09/12/2026 12:37:49 AM PST
Frequently bought together:
Description
This item is brand-new, factory sealed.
Dorman 904-394 Diesel Exhaust Fluid Heater Compatible with Select Chevrolet/GMC Models (OE FIX)- 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
- Manufacturer: ?Dorman Products
- Brand: ?Dorman
- Model: ?Dorman 904-394
- Item Weight: ?3 pounds
- Product Dimensions: ?20 x 7.75 x 7 inches
- Item model number: ?904-394
- Exterior: ?Ready To Paint If Needed
- Manufacturer Part Number: ?904-394
- OEM Part Number: ?DFH106; 22872118; 22902620; 23379348; 84412924
- Position: ?Center
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]
Warranty Information
All Items are Brand New, Factory Sealed and come with a standard warranty. [Read our policies]
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Dorman 904394 Def Heater
$174.38