Dorman DOR-904-394 Diesel Exhaust Fluid Heater
Features:
- 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
- Restores performance – designed to match the fit and function of the original equipment part
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.
Attributes:
| Height | 191 mm |
| Level Sensor Type | Resistor |
| Electrical Connector Gender | Male Female |
| Electrical Connector Terminal Gender | Male Female |
| Inside Diameter | 115 |
| Wire Insulation Material | Plastic |
| Package Contents | 1 Diesel Exhaust Fluid (DEF) Heater |
| 194 | 2 |
| Hose Included | No |
| Universal Or Specific Fit | Specific |
| 8485 | 6 |
| Wire Color | Black |
| Wire Color | White |
| Wire Color | Gray |
| 8485 | 2 |
| Housing Material | Plastic |
| Outlet Fitting Type | Female |
| 532 | Black |
| Inlet Fitting Type | Female |
| Mounting Hardware Included | Yes |
| Wire Color | Red |
| Wire Color | Yellow |
| Wire Color | Blue |
Vehicle Applications:
| Make | Model | Years |
| Chevrolet | Silverado 2500 HD | 2012 to 2016 |
| Chevrolet | Silverado 3500 HD | 2012 to 2016 |
| GMC | Sierra 2500 HD | 2012 to 2016 |
| GMC | Sierra 3500 HD | 2012 to 2016 |






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