Bosch 0444021013 Diesel Exhaust Fluid (DEF) Module

Bosch DEF Metering Module for BMW Diesel Emissions

The Bosch Actual OE Urea Metering Module (New) is a diesel exhaust fluid metering component for emission control systems. Built for direct application on select BMW diesel models, this Bosch 0444021013 part supports precise DEF delivery in the exhaust aftertreatment system.

Compatible With 2010-2013 BMW X5 and 2010-2011 BMW 335d, this Bosch DEF module is an OE-style replacement for vehicles that require accurate urea dosing. Bosch’s original-equipment background in diesel fuel systems for passenger cars, SUVs, vans, and pickups informs the design and application of this emission component.

Key Features

• Actual OE Urea Metering Module (New) for diesel exhaust fluid systems
• Direct-fit application for select BMW diesel emissions setups
• Supports controlled DEF metering in the SCR/emission control system
• Bosch part number 0444021013 for application matching
• Fits 2010-2013 BMW X5 and 2010-2011 BMW 335d

Detailed Description

Bosch 0444021013 is an emission control component used to meter diesel exhaust fluid into the aftertreatment system. For BMW X5 and BMW 335d diesel applications, the module helps maintain the dosing accuracy required by the vehicle’s emissions strategy. If you are replacing a failed DEF metering unit on a 2010-2013 BMW X5 or a 2010-2011 BMW 335d, this Bosch module provides the correct OE-based fitment path.

This part cross-references no listed aftermarket numbers in the provided data. The Bosch Actual OE Urea Metering Module (New) line focuses on OE-level application matching for diesel emission systems, making Bosch 0444021013 a relevant choice when restoring DEF metering function on the specified BMW diesel models.

What It Helps Address

• DEF dosing faults in the exhaust aftertreatment system
• Emission warning lights related to urea metering performance
• Improper diesel exhaust fluid delivery
• SCR system efficiency issues tied to metering control
• Replacement needs for a worn or failed BMW DEF module

Installation Notes and Tips

Verify the part number and vehicle application before installation. Confirm the vehicle is a 2010-2013 BMW X5 or 2010-2011 BMW 335d with the matching emission control configuration. Inspect related DEF system components, connectors, and lines for contamination or damage before installing Bosch 0444021013.

Quality Assurance

Bosch is a major original-equipment supplier of diesel fuel system technology for passenger vehicles, SUVs, vans, and pickups. That OE background supports application accuracy for this Actual OE Urea Metering Module (New).