2003 Chevrolet Trailblazer control modules & parts

74 refurbished parts are available for the 2003 Chevrolet Trailblazer. Each listing shows the exact vehicles and engines it fits; match the part number on your original unit before ordering.

Engines: 4.2L L6 – Gas

Other Chevrolet Trailblazer years

• 2023
• 2022
• 2021
• 2009
• 2008
• 2007
• 2006
• 2005
• 2004
• 2002