Drivetrain› Differentials and Rear-End Components

USA Standard (Yukon)

Rear Axle Kit Fits Dana D44 Diff 30 Spline LH 29.21 Long

$297.89

SKU: U018 ZA K630333

In Stock
In Stock
Ships by Jun 10
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The USA Standard Gear Axle (MPN: ZA K630333) is a durable and precise rear axle upgrade specifically designed for the driver-side rear on Jeep Wrangler YJ and TJ models. It is engineered for reliability and durability, serving as an excellent replacement for original equipment.

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 K630333

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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