Drivetrain› Differentials and Rear-End Components

USA Standard (Yukon)

4340 Chrome-Moly replacement axle for Dana 30 ft72-ft81 CJ left hand inner 27 spline.

$200.89

SKU: U018 ZA W38789

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Easy — 1–2 hours

Description

The USA Standard ZA W38789 is a 4340 Chrome-Moly replacement axle designed for the Dana 30 differential. This left-hand inner axle features 27 splines and a length of 27.01 inches.

Constructed from high-tensile strength 4340 chromoly, this axle is built for durability and performance. It is designed as a direct-fit replacement for specific Jeep CJ models.

Fitment

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Specifications

BrandUSA Standard (Yukon)
Part NumberU018 ZA W38789

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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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