DEF system faults and derate warnings often trace to the supply pump, dosing module, or heating pot. The Bosch 0444021030 is the DEF dosing module for Duramax 2010-2015.

Bosch Denoxtronic components are OE on many Super Duty and Duramax trucks—match the OE number on your old unit.

What you get

• Bosch 0444021030 DEF dosing module
• Brand-new Bosch unit (not reman)
• Fitment: Duramax 2010-2015
• Warranty: 1 Year (as listed)

Specs

• Part number: 0444021030
• Type: DEF dosing module
• Condition: New
• Manufacturer: Bosch

Choose this when you want a genuine Bosch replacement matched to the OE number on your truck. Verify fitment for your truck before ordering.