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Bosch
Actual OE Urea Metering Module (New)Bosch 0444021024 Diesel Exhaust Fluid (DEF) Module
| Brand | Bosch 0444021024 |
|---|---|
| Product line | Actual OE Urea Metering Module (New) |
| Fits | Mercedes-Benz · 98 vehicles |
Actual OE replacement. New urea metering module for straightforward installation.
DEF module. Controls diesel exhaust fluid delivery in the emission system.
Bosch OE pedigree. From a leading original-equipment supplier for diesel fuel systems.
$216.75Free shipping
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Bosch DEF Metering Module for Mercedes-Benz Diesel
This Bosch Actual OE Urea Metering Module is a direct-fit diesel exhaust fluid component for Mercedes-Benz diesel applications. Built for emission control service, it supports precise DEF delivery in systems that rely on accurate urea metering for proper aftertreatment operation.
Part number 0444021024 is an OE-style replacement for select Mercedes-Benz GL350, GLK250, ML250, ML350, Sprinter 2500, Sprinter 3500, E350, R350, and S350 models across the 2010-2015 range.
Key Features
- Bosch Actual OE Urea Metering Module (New) for diesel emission control service
- Designed for Mercedes-Benz DEF system applications
- Supports accurate diesel exhaust fluid metering in SCR-equipped vehicles
- OE-focused replacement for factory-style fit and function
- Part number 0444021024 for catalog and service identification
- Fits 2010-2015 Mercedes-Benz GL350, N/A
- Fits 2013-2015 Mercedes-Benz GLK250, N/A
- Fits 2015 Mercedes-Benz ML250, N/A
- Fits 2010-2015 Mercedes-Benz ML350, N/A
- Fits 2010-2015 Mercedes-Benz Sprinter 2500, N/A
- Fits 2010-2015 Mercedes-Benz Sprinter 3500, N/A
- Fits 2011-2013 Mercedes-Benz E350, N/A
- Fits 2010-2013 Mercedes-Benz R350, N/A
- Fits 2012-2013 Mercedes-Benz S350, N/A
Product Details
Bosch is a major original-equipment supplier of diesel fuel system technology for passenger cars, SUVs, vans, and pickups. That OE background matters in emission control service, where the DEF metering module must work consistently with the vehicle’s SCR system. If you are replacing a Bosch 0444021024 unit on a Mercedes-Benz diesel, this module is intended to restore proper urea dosing behavior in the emission system.
This part cross-references no listed aftermarket numbers in the provided data.
Common Symptoms Addressed
- DEF dosing faults related to the metering module
- Emission system warning lights tied to urea delivery issues
- SCR performance problems caused by inaccurate DEF metering
- Driveability or derate concerns linked to emission control faults
- Service replacement for a failed Bosch 0444021024 module
Installation Notes
Verify the vehicle’s VIN, engine configuration, and emission system layout before ordering. This module is listed for specific Mercedes-Benz diesel applications, including GL350, GLK250, ML250, ML350, Sprinter 2500, Sprinter 3500, E350, R350, and S350. Follow factory service procedures for DEF system diagnosis, sealing, and calibration checks after installation.
Quality Assurance
Bosch OE supply experience in diesel fuel and emission systems supports consistent part selection for Mercedes-Benz DEF service. Confirm fitment against the application list and the vehicle’s original module part number 0444021024 before installation.
This part fits 98 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
| Year | Make | Model | Liters | Cylinders | Notes |
|---|---|---|---|---|---|
| 2015 | Freightliner | Sprinter 2500 | 3.0L | V6 | Actual OE Urea Metering Module (New) |
| 2015 | Freightliner | Sprinter 2500 | 3.0L | V6 | Actual OE part; Urea Metering Module (New) |
| 2015 | Freightliner | Sprinter 3500 | 3.0L | V6 | Actual OE Urea Metering Module (New) |
| 2015 | Freightliner | Sprinter 3500 | 3.0L | V6 | Actual OE part; Urea Metering Module (New) |
| 2015 | Mercedes-Benz | GL350 | 3.0L | V6 | Actual OE Urea Metering Module (New) |
| 2015 | Mercedes-Benz | GL350 | 3.0L | V6 | Actual OE part; Urea Metering Module (New) |
| 2015 | Mercedes-Benz | GLK250 | 2.1L | L4 | Actual OE Urea Metering Module (New) |
| 2015 | Mercedes-Benz | GLK250 | 2.1L | L4 | Actual OE part; Urea Metering Module (New) |
| 2015 | Mercedes-Benz | ML250 | 2.1L | L4 | Actual OE Urea Metering Module (New) |
| 2015 | Mercedes-Benz | ML250 | 2.1L | L4 | Actual OE part; Urea Metering Module (New) |
| 2015 | Mercedes-Benz | ML350 | 3.0L | V6 | Actual OE Urea Metering Module (New) |
| 2015 | Mercedes-Benz | ML350 | 3.0L | V6 | Actual OE part; Urea Metering Module (New) |
| 2015 | Mercedes-Benz | Sprinter 2500 | 3.0L | V6 | Actual OE Urea Metering Module (New) |
| 2015 | Mercedes-Benz | Sprinter 2500 | 3.0L | V6 | Actual OE part; Urea Metering Module (New) |
| 2015 | Mercedes-Benz | Sprinter 3500 | 3.0L | V6 | Actual OE Urea Metering Module (New) |
| 2015 | Mercedes-Benz | Sprinter 3500 | 3.0L | V6 | Actual OE part; Urea Metering Module (New) |
| 2014 | Freightliner | Sprinter 2500 | 3.0L | V6 | Actual OE Urea Metering Module (New) |
| 2014 | Freightliner | Sprinter 2500 | 3.0L | V6 | Actual OE part; Urea Metering Module (New) |
| 2014 | Freightliner | Sprinter 3500 | 3.0L | V6 | Actual OE Urea Metering Module (New) |
| 2014 | Freightliner | Sprinter 3500 | 3.0L | V6 | Actual OE part; Urea Metering Module (New) |
| 2014 | Mercedes-Benz | GL350 | 3.0L | V6 | Actual OE Urea Metering Module (New) |
| 2014 | Mercedes-Benz | GL350 | 3.0L | V6 | Actual OE part; Urea Metering Module (New) |
| 2014 | Mercedes-Benz | GLK250 | 2.1L | L4 | Actual OE Urea Metering Module (New) |
| 2014 | Mercedes-Benz | GLK250 | 2.1L | L4 | Actual OE part; Urea Metering Module (New) |
| 2014 | Mercedes-Benz | ML350 | 3.0L | V6 | Actual OE Urea Metering Module (New) |
| 2014 | Mercedes-Benz | ML350 | 3.0L | V6 | Actual OE part; Urea Metering Module (New) |
| 2014 | Mercedes-Benz | Sprinter 2500 | 3.0L | V6 | Actual OE Urea Metering Module (New) |
| 2014 | Mercedes-Benz | Sprinter 2500 | 3.0L | V6 | Actual OE part; Urea Metering Module (New) |
| 2014 | Mercedes-Benz | Sprinter 3500 | 3.0L | V6 | Actual OE Urea Metering Module (New) |
| 2014 | Mercedes-Benz | Sprinter 3500 | 3.0L | V6 | Actual OE part; Urea Metering Module (New) |
| 2013 | Freightliner | Sprinter 2500 | 3.0L | V6 | Actual OE Urea Metering Module (New) |
| 2013 | Freightliner | Sprinter 2500 | 3.0L | V6 | Actual OE part; Urea Metering Module (New) |
| 2013 | Freightliner | Sprinter 3500 | 3.0L | V6 | Actual OE Urea Metering Module (New) |
| 2013 | Freightliner | Sprinter 3500 | 3.0L | V6 | Actual OE part; Urea Metering Module (New) |
| 2013 | Mercedes-Benz | E350 | 3.0L | V6 | Actual OE Urea Metering Module (New) |
| 2013 | Mercedes-Benz | E350 | 3.0L | V6 | Actual OE part; Urea Metering Module (New) |
| 2013 | Mercedes-Benz | GL350 | 3.0L | V6 | Actual OE Urea Metering Module (New) |
| 2013 | Mercedes-Benz | GL350 | 3.0L | V6 | Actual OE part; Urea Metering Module (New) |
| 2013 | Mercedes-Benz | GLK250 | 2.1L | L4 | Actual OE Urea Metering Module (New) |
| 2013 | Mercedes-Benz | GLK250 | 2.1L | L4 | Actual OE part; Urea Metering Module (New) |
| 2013 | Mercedes-Benz | ML350 | 3.0L | V6 | Actual OE Urea Metering Module (New) |
| 2013 | Mercedes-Benz | ML350 | 3.0L | V6 | Actual OE part; Urea Metering Module (New) |
| 2013 | Mercedes-Benz | R350 | 3.0L | V6 | Actual OE Urea Metering Module (New) |
| 2013 | Mercedes-Benz | R350 | 3.0L | V6 | Actual OE part; Urea Metering Module (New) |
| 2013 | Mercedes-Benz | S350 | 3.0L | V6 | Actual OE Urea Metering Module (New) |
| 2013 | Mercedes-Benz | S350 | 3.0L | V6 | Actual OE part; Urea Metering Module (New) |
| 2013 | Mercedes-Benz | Sprinter 2500 | 3.0L | V6 | Actual OE Urea Metering Module (New) |
| 2013 | Mercedes-Benz | Sprinter 2500 | 3.0L | V6 | Actual OE part; Urea Metering Module (New) |
| 2013 | Mercedes-Benz | Sprinter 3500 | 3.0L | V6 | Actual OE Urea Metering Module (New) |
| 2013 | Mercedes-Benz | Sprinter 3500 | 3.0L | V6 | Actual OE part; Urea Metering Module (New) |
| 2012 | Freightliner | Sprinter 2500 | 3.0L | V6 | Actual OE Urea Metering Module (New) |
| 2012 | Freightliner | Sprinter 2500 | 3.0L | V6 | Actual OE part; Urea Metering Module (New) |
| 2012 | Freightliner | Sprinter 3500 | 3.0L | V6 | Actual OE Urea Metering Module (New) |
| 2012 | Freightliner | Sprinter 3500 | 3.0L | V6 | Actual OE part; Urea Metering Module (New) |
| 2012 | Mercedes-Benz | E350 | 3.0L | V6 | Actual OE Urea Metering Module (New) |
| 2012 | Mercedes-Benz | E350 | 3.0L | V6 | Actual OE part; Urea Metering Module (New) |
| 2012 | Mercedes-Benz | GL350 | 3.0L | V6 | Actual OE Urea Metering Module (New) |
| 2012 | Mercedes-Benz | GL350 | 3.0L | V6 | Actual OE part; Urea Metering Module (New) |
| 2012 | Mercedes-Benz | ML350 | 3.0L | V6 | Actual OE Urea Metering Module (New) |
| 2012 | Mercedes-Benz | ML350 | 3.0L | V6 | Actual OE part; Urea Metering Module (New) |
| 2012 | Mercedes-Benz | R350 | 3.0L | V6 | Actual OE Urea Metering Module (New) |
| 2012 | Mercedes-Benz | R350 | 3.0L | V6 | Actual OE part; Urea Metering Module (New) |
| 2012 | Mercedes-Benz | S350 | 3.0L | V6 | Actual OE Urea Metering Module (New) |
| 2012 | Mercedes-Benz | S350 | 3.0L | V6 | Actual OE part; Urea Metering Module (New) |
| 2012 | Mercedes-Benz | Sprinter 2500 | 3.0L | V6 | Actual OE Urea Metering Module (New) |
| 2012 | Mercedes-Benz | Sprinter 2500 | 3.0L | V6 | Actual OE part; Urea Metering Module (New) |
| 2012 | Mercedes-Benz | Sprinter 3500 | 3.0L | V6 | Actual OE Urea Metering Module (New) |
| 2012 | Mercedes-Benz | Sprinter 3500 | 3.0L | V6 | Actual OE part; Urea Metering Module (New) |
| 2011 | Freightliner | Sprinter 2500 | 3.0L | V6 | Actual OE Urea Metering Module (New) |
| 2011 | Freightliner | Sprinter 2500 | 3.0L | V6 | Actual OE part; Urea Metering Module (New) |
| 2011 | Freightliner | Sprinter 3500 | 3.0L | V6 | Actual OE Urea Metering Module (New) |
| 2011 | Freightliner | Sprinter 3500 | 3.0L | V6 | Actual OE part; Urea Metering Module (New) |
| 2011 | Mercedes-Benz | E350 | 3.0L | V6 | Actual OE Urea Metering Module (New) |
| 2011 | Mercedes-Benz | E350 | 3.0L | V6 | Actual OE part; Urea Metering Module (New) |
| 2011 | Mercedes-Benz | GL350 | 3.0L | V6 | Actual OE Urea Metering Module (New) |
| 2011 | Mercedes-Benz | GL350 | 3.0L | V6 | Actual OE part; Urea Metering Module (New) |
| 2011 | Mercedes-Benz | ML350 | 3.0L | V6 | Actual OE Urea Metering Module (New) |
| 2011 | Mercedes-Benz | ML350 | 3.0L | V6 | Actual OE part; Urea Metering Module (New) |
| 2011 | Mercedes-Benz | R350 | 3.0L | V6 | Actual OE Urea Metering Module (New) |
| 2011 | Mercedes-Benz | R350 | 3.0L | V6 | Actual OE part; Urea Metering Module (New) |
| 2011 | Mercedes-Benz | Sprinter 2500 | 3.0L | V6 | Actual OE Urea Metering Module (New) |
| 2011 | Mercedes-Benz | Sprinter 2500 | 3.0L | V6 | Actual OE part; Urea Metering Module (New) |
| 2011 | Mercedes-Benz | Sprinter 3500 | 3.0L | V6 | Actual OE Urea Metering Module (New) |
| 2011 | Mercedes-Benz | Sprinter 3500 | 3.0L | V6 | Actual OE part; Urea Metering Module (New) |
| 2010 | Freightliner | Sprinter 2500 | 3.0L | V6 | Actual OE Urea Metering Module (New) |
| 2010 | Freightliner | Sprinter 2500 | 3.0L | V6 | Actual OE part; Urea Metering Module (New) |
| 2010 | Freightliner | Sprinter 3500 | 3.0L | V6 | Actual OE Urea Metering Module (New) |
| 2010 | Freightliner | Sprinter 3500 | 3.0L | V6 | Actual OE part; Urea Metering Module (New) |
| 2010 | Mercedes-Benz | GL350 | 3.0L | V6 | Actual OE Urea Metering Module (New) |
| 2010 | Mercedes-Benz | GL350 | 3.0L | V6 | Actual OE part; Urea Metering Module (New) |
| 2010 | Mercedes-Benz | ML350 | 3.0L | V6 | Actual OE Urea Metering Module (New) |
| 2010 | Mercedes-Benz | ML350 | 3.0L | V6 | Actual OE part; Urea Metering Module (New) |
| 2010 | Mercedes-Benz | R350 | 3.0L | V6 | Actual OE Urea Metering Module (New) |
| 2010 | Mercedes-Benz | R350 | 3.0L | V6 | Actual OE part; Urea Metering Module (New) |
| 2010 | Mercedes-Benz | Sprinter 2500 | 3.0L | V6 | Actual OE Urea Metering Module (New) |
| 2010 | Mercedes-Benz | Sprinter 2500 | 3.0L | V6 | Actual OE part; Urea Metering Module (New) |
| 2010 | Mercedes-Benz | Sprinter 3500 | 3.0L | V6 | Actual OE Urea Metering Module (New) |
| 2010 | Mercedes-Benz | Sprinter 3500 | 3.0L | V6 | Actual OE part; Urea Metering Module (New) |
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