There are 6 choices

Choose One

4.3L (VIN X, 8th digit)
4.8L (VIN V, 8th digit)
5.3L
- VIN T (8th digit)
- VIN Z (8th digit)
6.0L (VIN U, 8th digit)
- CNG
- gasoline

Engine Assembly for 2003 GMC Sierra 1500 HD

Fits: 6.0L VIN U, 8th digit CNG (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.