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Dorman 904-385 Diesel Exhaust Fluid (DEF) Heater
| Brand | Dorman 904-385 |
|---|---|
| Electrical Connector Gender | Male Female |
| Electrical Connector Quantity | 2 |
| Electrical Connector Terminal Gender | Male Female |
| Electrical Connector Terminal Quantity | 3 |
| Electrical Connector Terminal Quantity | 4 |
| Height | 178 mm |
| Hose Included | No |
| Housing Color | Black |
| Housing Material | Plastic |
| Inlet Fitting Type | Female |
| Inside Diameter | 115 |
| Level Sensor Type | Resistor |
| Mounting Hardware Included | Yes |
| Outlet Fitting Type | Female |
| Package Contents | 1 Diesel Exhaust Fluid (DEF) Heater |
| Universal Or Specific Fit | Specific |
| Wire Color | Black; White; Yellow; Blue; Red; Gray |
| Wire Insulation Material | Plastic |
| Fits | BMW · 5 vehicles |
OE FIX solution. Modifies the original design to address a common failure point and improve reliability.
Plastic housing. Lightweight construction with a black finish for a clean, durable fit.
Includes mounting hardware. Ready for installation with the needed hardware in the box.
Cross-references 16197244138 for the same application. See all 1.
Dorman 904-385 DEF Heater for BMW X5
The Dorman 904-385 Diesel Exhaust Fluid (DEF) Heater is a specific-fit replacement for select BMW X5 models from 2009-2013. It addresses a common factory failure point caused by fluid intrusion, helping restore DEF heating function in diesel emission control systems.
- Specific-fit DEF heater for select BMW X5 applications
- OE FIX design modifies the original heater layout to improve reliability
- Plastic housing with black finish
- Female inlet and outlet fittings
- Electrical connector design with 2 connectors and mixed male/female terminals
- Level sensor uses a resistor-type design
- Mounting hardware included
How This DEF Heater Works
This Dorman DEF heater, part number 904-385, is built for diesel exhaust fluid systems that need dependable fluid warming to maintain proper emission control operation. By updating the factory design, it helps reduce the risk of repeat failure from fluid intrusion while maintaining the original vehicle application. It is a direct-fit solution for 2009-2013 BMW X5 diesel emission control service and replacement needs.
This part cross-references BMW OE part number 16197244138 for the same application.
Common Problems It Can Help Solve
- DEF heater failure caused by fluid intrusion
- Loss of DEF heating performance in cold conditions
- Emission system warning lights related to heater faults
- Improper DEF temperature control affecting system operation
- Need for a direct replacement on BMW X5 diesel applications
Installation Notes and Tips
Compatible With 2009-2013 BMW X5, N/A. Confirm connector style, inlet and outlet fitment, and sensor configuration before installation. Inspect the surrounding DEF tank and electrical connections for contamination or damage during service. Use the included mounting hardware as required by the application.
Quality Assurance
Dorman OE FIX components are engineered to address known failure points in original equipment designs. Part number 904-385 follows a specific-fit configuration for the listed BMW X5 model years and is built to support reliable replacement in diesel emission control service.
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2013 | BMW | X5 | 3.0L | L6 | DIESEL | N/A | — |
| 2012 | BMW | X5 | 3.0L | L6 | DIESEL | N/A | — |
| 2011 | BMW | X5 | 3.0L | L6 | DIESEL | N/A | — |
| 2010 | BMW | X5 | 3.0L | L6 | DIESEL | N/A | — |
| 2009 | BMW | X5 | 3.0L | L6 | DIESEL | N/A | — |
| No rows match your filter. | |||||||