Same part number left and right.

Info on installing kingpins in 1/2 ton:
https://www.stovebolt.com/ubbthreads/ubbthreads.php/topics/1164695/Re:_How_to_fit_new_kingpins_an.html


1951 GMC 250 in the Project Journals
1948 Chevrolet 6400 - Detroit Diesel 4-53T - Roadranger 10 speed overdrive - 4 wheel disc brakes
1952 Chevrolet 3800 pickup
---All pictures---
"First, get a clear notion of what you desire to accomplish, and then in all probability you will succeed in doing it..." -Henry Maudslay-