GM Truck Club Forum banner

1 - 2 of 2 Posts

·
Registered
Joined
·
1 Posts
Discussion Starter #1
I really hope someone can help. I'm trying to find a replacement rear driveline "used"if possible and have know idea how to find the right one online...
 

·
Registered
Joined
·
2,943 Posts
Let’s start with your truck info first. Whatcha drivin?

check inside the glove box for your RPO codes. Look specifically for GU4, GU6, GT4, or GT5. Those are the axle gear ratio codes. 3.08, 3.42, 3.73, and 4.10 respectively.
 
1 - 2 of 2 Posts
Top