Drivetrain› Differentials and Rear-End Components

USA Standard (Yukon)

Rear Axle Kit Fits GM 8.5 Diff 30 Spline 26.5 Long

$318.89

SKU: U018 ZA K630836

In Stock
In Stock
Ships by Jun 9
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The USA Standard Gear ZA K630836 Rear Axle Kit is designed for GM 8.5/8.6 inch differentials with 30 splines, a length of 26.5 inches, and a 5-lug bolt pattern. This kit contains all the necessary components to replace, repair, or upgrade axle shafts, ensuring your vehicle is quickly back on the road.

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

BrandUSA Standard (Yukon)
Part NumberU018 ZA K630836

Videos

LSD diff locker Install 8.5"/8.6" GM Axle, Yukon Gear YDGGM8.5-3-30-1

LSD diff locker Install 8.5"/8.6" GM Axle, Yukon Gear YDGGM8.5-3-30-1
How To: Rebuild a GM 8.5" Rear Axle 10 Bolt Chevy

How To: Rebuild a GM 8.5" Rear Axle 10 Bolt Chevy
No BS GM 8.5/8.6 10 Bolt Ring and pinion gear install axle setup

No BS GM 8.5/8.6 10 Bolt Ring and pinion gear install axle setup
How to: Rebuild a GM 8.5in 10 bolt rear differential - Start to finish rear end rebuild in 7 min!

How to: Rebuild a GM 8.5in 10 bolt rear differential - Start to finish rear end rebuild in 7 min!
How-to Install a Spartan Locker in a GM 8.5 10-Bolt (No Gear Reset Needed)

How-to Install a Spartan Locker in a GM 8.5 10-Bolt (No Gear Reset Needed)
Full axle rebuild for a GM 10 bolt to handle over 500 horsepower

Full axle rebuild for a GM 10 bolt to handle over 500 horsepower
Yukon Dura Grip Positraction - Installation Tips

Yukon Dura Grip Positraction - Installation Tips
GM 10 Bolt 8.5" Posi Install "How To" Chevy C10 Truck - Eaton Truetrac

GM 10 Bolt 8.5" Posi Install "How To" Chevy C10 Truck - Eaton Truetrac
GM 10 Bolt Rebuild DIY How to

GM 10 Bolt Rebuild DIY How to
GM 8.5 10 bolt gear setup and final assembly

GM 8.5 10 bolt gear setup and final assembly

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