There are 16 choices

Choose One

4x2
- Crew Cab
- Excluding Crew Cab
  - 3.21 ratio (opt HC8)
  - 3.42 axle ratio (opt GU6)
  - 3.73 ratio (opt GT4)
  - 4.10 ratio (opt GT5)
  - 4.56 ratio (opt HC4)
4x4

Rear Axle Assembly for 1979 GMC P2500

Fits: 4x2 Excluding Crew Cab 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.