Drivetrain› Differentials and Rear-End Components
USA Standard (Yukon)
19.15in 28spline inner Right hand axle 8.5in 79-87 GM truck and Blazer.
SKU: U018 ZA W39252
Easy — 1–2 hours
Description
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | USA Standard (Yukon) |
| Part Number | U018 ZA W39252 |
Videos
Yukon Gear vs USA Standard Gear Axles
GM 8.5 10 bolt gear setup and final assembly
No BS GM 8.5/8.6 10 Bolt Ring and pinion gear install axle setup
1973 - 1987 Chevy K10 Squarebody 10-bolt Front Axle Rebuild / Gear Swap
Yukon Gear & Axle Chromoly Axle Shafts for Jeep Wrangler & Gladiator
How-to Install a Spartan Locker in a GM 8.5 10-Bolt (No Gear Reset Needed)
LSD diff locker Install 8.5"/8.6" GM Axle, Yukon Gear YDGGM8.5-3-30-1
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
View Full Return Policy