There are 17 choices

Choose One

4x2
- 10 bolt cover
- 12 bolt cover
  - 2.56 ratio (opt GM8)
  - 2.73 ratio (opt GU2)
  - 3.08 ratio (opt GU4)
  - 3.42 axle ratio (opt GU6)
  - 3.73 ratio (opt GT4)
  - 4.11 ratio (opt GT5)
4x4

Rear Axle Assembly for 1978 GMC K15

Fits: 4x2 12 bolt cover 3.42 axle ratio opt GU6 (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.