There are 6 choices

Choose One

Compressed Natural Gas (CNG)
- (Passenger Side front engine compartment)
Electronic Control Module
- (left hand front under battery)
  - diesel
  - gasoline
    - 6.0L
    - 8.1L
Fuel Injection Control
- (6.6L turbo diesel)
  - (on Passenger Side valve cover)
Throttle Control
- (left hand firewall)

Engine Computer for 2003 GMC Sierra 3500

Fits: Fuel Injection Control 6.6L turbo diesel on Passenger Side valve cover (change)

Filters (0 Items)

Sort By:

Fraud Notice: We do not sell our parts on third party sites, marketplaces, social media sites, or message boards. If you are approached by anyone claiming to be from allusedparts.com from an external source — be aware. We only sell our products though this website.