Nearly 30 years of obsessively cataloging, photographing, and taking video of each part means it will fit your 1983 GMC S15 Jimmy S15 Jimmy / Pickup - High Performance Yukon Ring and Pinion Gear Set - GM IFS 7.2" - 3.42 Ratio - Front Differential Ring and Pinion Set.

Period. No Hassle. GUARANTEED.

We cover round trip shipping if we make a mistake.

Check out the video below to view the Guaranteed Exact Fit process from start to finish!