Bosch 0444021030 Diesel Exhaust Fluid (DEF) Module

Overview of Bosch Actual OE Urea Metering Module (New)

The Bosch Actual OE Urea Metering Module (New) 0444021030 is designed for precise dosing of Diesel Exhaust Fluid (DEF) in select Chevrolet and GMC diesel vehicles. This module ensures accurate DEF delivery to support emission control systems in heavy-duty trucks and vans.

• Compatible with Chevrolet Express 2500, Express 3500, Silverado 2500 HD, Silverado 3500 HD
• Compatible with GMC Savana 2500, Savana 3500, Sierra 2500 HD, Sierra 3500 HD
• Part number 0444021030 for exact replacement
• Single unit per vehicle application
• Emission control component for Diesel Exhaust Fluid (DEF) management

Product Line Details: Actual OE Urea Metering Module (New)

The Actual OE Urea Metering Module (New) from Bosch represents a direct OE replacement part designed to meet original equipment specifications. This product line focuses on delivering precise DEF metering to maintain compliance with emission standards in diesel-powered vehicles. The new module ensures reliable operation within the vehicle’s emission control system, supporting optimal SCR (Selective Catalytic Reduction) performance.

Detailed Product Description

This Bosch Diesel Exhaust Fluid (DEF) Module, part number 0444021030, is engineered to provide accurate urea dosing for emission control in diesel engines. It is compatible with a range of Chevrolet and GMC models, including Express 2500 and 3500 vans, Savana 2500 and 3500 vans, and heavy-duty Silverado and Sierra 2500 and 3500 HD trucks. The module is supplied as a single unit per vehicle, ensuring a precise fit and function. Its role is critical in managing DEF injection rates to reduce NOx emissions effectively.

Common Applications and Issues Addressed

• Restores proper DEF dosing in Chevrolet Express and GMC Savana diesel vans
• Resolves emission control faults related to urea metering in Silverado and Sierra HD trucks
• Addresses DEF system warning lights and error codes
• Improves SCR system efficiency by ensuring accurate fluid delivery
• Prevents potential engine derate caused by DEF dosing failures

Installation Notes and Tips

• Ensure vehicle compatibility with Chevrolet Express 2500/3500 or GMC Savana 2500/3500 and Silverado/Sierra 2500/3500 HD models before installation
• Follow manufacturer guidelines for DEF system handling and safety
• Verify part number 0444021030 matches the original module to maintain system integrity
• Inspect DEF lines and connectors for damage during replacement
• Perform system diagnostics after installation to confirm proper operation

Quality Assurance and Warranty

Bosch manufactures the Actual OE Urea Metering Module (New) 0444021030 to meet stringent OEM standards for durability and performance. This module undergoes rigorous testing to ensure reliable DEF metering under various operating conditions. Warranty coverage details should be confirmed with the original equipment provider or Bosch documentation to ensure compliance with vehicle service requirements.