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Bosch 0444021031 Diesel Exhaust Fluid (DEF) Module
Reliable Diesel Exhaust Fluid Module for Mercedes-Benz Sprinter
The Bosch Actual OE Urea Metering Module (New) 0444021031 is designed specifically for Mercedes-Benz Sprinter 2500 and Sprinter 3500 models. This diesel exhaust fluid (DEF) module ensures precise urea dosing to maintain optimal emission control performance.
- Genuine Bosch part number 0444021031
- Compatible with Mercedes-Benz Sprinter 2500 and Sprinter 3500
- One unit per vehicle required
- Category: Emission Control > Emission Components
- Part type: Diesel Exhaust Fluid (DEF) Module
About the Bosch Actual OE Urea Metering Module (New) Product Line
The Actual OE Urea Metering Module (New) product line by Bosch focuses on delivering precise and reliable emission control components that meet original equipment specifications. This ensures that the DEF module integrates seamlessly with the vehicle’s emission system, providing accurate urea metering to reduce nitrogen oxide emissions effectively.
Product Details and Functionality
The Bosch 0444021031 DEF module is engineered to regulate the injection of diesel exhaust fluid into the exhaust stream of Mercedes-Benz Sprinter 2500 and 3500 vehicles. By controlling the urea dosing accurately, it supports the selective catalytic reduction (SCR) system, which is critical for meeting emission standards. This module is supplied as a single unit per vehicle, ensuring a direct replacement for the original component.
Common Issues Addressed by This DEF Module
- Inconsistent or faulty urea dosing leading to emission faults
- Check engine light triggered by DEF system errors
- Reduced fuel efficiency due to improper SCR function
- Failed emissions tests related to NOx control
- DEF system warning messages on dashboard
Installation Notes and Tips
When replacing the Bosch 0444021031 urea metering module on Mercedes-Benz Sprinter 2500 or 3500 models, ensure the vehicle’s DEF system is properly depressurized before removal. Follow manufacturer guidelines for handling DEF components to avoid contamination. Verify electrical connections and perform system diagnostics after installation to confirm correct operation.
Quality Assurance and Warranty
Bosch manufactures the Actual OE Urea Metering Module (New) 0444021031 to meet stringent quality standards consistent with original equipment. This part is designed for durability and reliable performance within the emission control system. Warranty details should be confirmed with the supplier or Bosch directly.
| Brand | Bosch |
| Part Number | 0444021031 |
| Position | Actual OE Urea Metering Module (New) |
| Cases Per Pallet (ORLY) | 1 |
| Unit(s) per Car Qty (ORLY) | 1 |
This part fits 8 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2015 | Mercedes-Benz | Sprinter 2500 | 2.1L | L4 | N/A | Actual OE Urea Metering Module (New) |
| 2015 | Mercedes-Benz | Sprinter 2500 | 2.1L | L4 | N/A | Actual OE part; Urea Metering Module (New) |
| 2015 | Mercedes-Benz | Sprinter 3500 | 2.1L | L4 | N/A | Actual OE Urea Metering Module (New) |
| 2015 | Mercedes-Benz | Sprinter 3500 | 2.1L | L4 | N/A | Actual OE part; Urea Metering Module (New) |
| 2014 | Mercedes-Benz | Sprinter 2500 | 2.1L | L4 | N/A | Actual OE Urea Metering Module (New) |
| 2014 | Mercedes-Benz | Sprinter 2500 | 2.1L | L4 | N/A | Actual OE part; Urea Metering Module (New) |
| 2014 | Mercedes-Benz | Sprinter 3500 | 2.1L | L4 | N/A | Actual OE Urea Metering Module (New) |
| 2014 | Mercedes-Benz | Sprinter 3500 | 2.1L | L4 | N/A | Actual OE part; Urea Metering Module (New) |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.