Bosch 0444021031 Diesel Exhaust Fluid (DEF) Module

Bosch DEF Metering Module for Sprinter

This Bosch Actual OE Urea Metering Module (New) is a diesel exhaust fluid (DEF) module built for emission control service on select Mercedes-Benz Sprinter vans. It is identified by part number 0444021031 and is listed for 2014-2015 Mercedes-Benz Sprinter 2500 and Sprinter 3500 applications.

Bosch supplies original-equipment fuel and diesel system components for passenger vehicles, SUVs, vans, and pickups, and this Actual OE Urea Metering Module line reflects that OE-focused approach for emission system repair.

• Actual OE Urea Metering Module (New) for DEF/emission control service
• Fits 2014-2015 Mercedes-Benz Sprinter 2500, N/A
• Fits 2014-2015 Mercedes-Benz Sprinter 3500, N/A
• Bosch part number 0444021031 for direct identification
• Built for diesel exhaust fluid metering system replacement on Sprinter diesel applications

Detailed Product Overview

Use Bosch 0444021031 when servicing the DEF metering side of the emission control system on Mercedes-Benz Sprinter 2500 and Mercedes-Benz Sprinter 3500 models from 2014-2015. As an Actual OE Urea Metering Module, this part follows the OE-style design expected in diesel exhaust fluid delivery systems, helping restore proper urea dosing at the emission component level. If you are searching for a Bosch DEF module for 2014-2015 Mercedes-Benz Sprinter 2500 or Sprinter 3500, 0444021031 is the catalog reference to verify.

This part cross-references no listed aftermarket numbers in the provided data.

What It Helps Address

• DEF metering module failure codes
• Improper diesel exhaust fluid dosing at the emission system
• Emission control faults tied to the urea metering module
• Service replacement for a worn or nonfunctioning DEF module
• Diagnostic issues on 2014-2015 Mercedes-Benz Sprinter 2500 and Sprinter 3500 diesel models

Installation Notes and Tips

Verify the part number 0444021031 against the vehicle’s emission system configuration before installation. Confirm the application on 2014-2015 Mercedes-Benz Sprinter 2500 and Sprinter 3500 models, and inspect related DEF/emission components during diagnosis so the root cause is addressed before replacement.

Quality Assurance

Bosch is a major original-equipment supplier of diesel fuel system components, and the Actual OE Urea Metering Module line is positioned for OE-level fit and function in supported applications.