/live/media/RB/RB_904386_Fro.jpg)
Dorman 904-386 Diesel Exhaust Fluid (DEF) Heater
| Brand | Dorman 904-386 |
|---|---|
| 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 | 133 mm |
| Hose Included | No |
| Housing Color | Black |
| Housing Material | Plastic |
| Inlet Fitting Type | Female |
| Inside Diameter | 112 |
| 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 · 3 vehicles |
OE FIX design. Modifies the factory heater to address a common failure point and improve reliability.
Specific fit. Made for a direct, vehicle-specific replacement with no guesswork.
Plastic housing. Lightweight construction with a black finish for a clean, integrated look.
Cross-references 16197204623 for the same application. See all 1.
Dorman 904-386 DEF Heater for BMW 335d
The Dorman 904-386 Diesel Exhaust Fluid (DEF) Heater is a specific-fit replacement for 2009-2011 BMW 335d models. It addresses a common factory failure point caused by fluid intrusion and updates the original design to improve heater reliability in the DEF system.
- Specific fit for 2009-2011 BMW 335d
- OE FIX design modifies the factory heater design to address a known failure mode
- Plastic housing with black finish
- Female inlet and outlet fittings
- Includes mounting hardware
- Electrical connector configuration: 2 connectors with 3- and 4-terminal layouts
- Level sensor type: resistor
- Inside diameter: 112 mm and 115 mm
- Height: 133 mm
Detailed Product Overview
Built for BMW 335d diesel emissions systems, this Dorman DEF heater helps restore proper DEF temperature control after the original unit fails. The OE FIX approach changes the factory design to reduce the impact of fluid intrusion, which is a common cause of heater breakdown in this application. If you are searching for a BMW 335d DEF heater replacement, Dorman 904-386 provides a direct-fit solution for 2009, 2010, and 2011 vehicles.
This part cross-references BMW 16197204623 for the same application.
What It Helps Solve
- DEF heater failure caused by fluid intrusion
- Loss of DEF heating performance in the emissions system
- Warning lights related to DEF heater malfunction
- Cold-weather DEF system issues tied to heater breakdown
- Need for a direct replacement on BMW 335d diesel models
Installation Notes and Tips
Verify connector style, inlet and outlet fitment, and mounting points before installation. This Dorman 904-386 DEF heater is a specific-fit component for the listed BMW 335d applications, so matching the original configuration is important for proper installation. Inspect the surrounding DEF lines and electrical connectors for contamination or damage before reassembly.
Quality Assurance
Dorman OE FIX parts are engineered to address known weaknesses in original equipment designs while maintaining application-specific fitment. For 2009-2011 BMW 335d DEF heater replacement needs, this part is built to support a more reliable repair than the failed factory unit.
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2011 | BMW | 335d | 3.0L | L6 | DIESEL | N/A | — |
| 2010 | BMW | 335d | 3.0L | L6 | DIESEL | N/A | — |
| 2009 | BMW | 335d | 3.0L | L6 | DIESEL | N/A | — |
| No rows match your filter. | |||||||