Drivetrain› Differentials and Rear-End Components

Yukon Gear & Axle

REAR AXLE KIT FITS GM 12T DIFF 30 S

$231.24

SKU: Y001 ZA K630105

Special Order
Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The Yukon Gear & Axle ZA K630105 is a rear axle kit designed for GM 8.875 in. differentials. It features 30 splines and a length of 31.4375 inches, with a 6 x 5.5 in. bolt pattern. This kit includes essential components for replacement or upgrade, such as a wheel bearing, seal, differential cover gasket, studs, and lug nuts.

Fitment

Fitment Guaranteed

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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

BrandYukon Gear & Axle
Part NumberY001 ZA K630105

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.

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