Sale

USA Standard Gear

30-Spline 4340 Chromoly Inner RH Axle Shaft

$164.99 $164.89 Save $0.10

SKU: ZA W39254

In Stock
In Stock
Ships by Aug 31
Free Shipping over $200
$100 Minimum Order
30 Days Return

Description

The USA Standard Gear ZA W39254 is a heavy-duty inner right-hand axle shaft engineered for GM 8.5-inch front differentials. Constructed from high-tensile strength 4340 chromoly, this axle is built for superior durability and performance. This axle shaft features 30 splines and is designed to accept a 5-760X series U-joint. It measures 19.15 inches long from the end of the splines to the center of the U-joint bore, ensuring precise fitment for compatible applications. USA Standard Gear utilizes advanced heat-treating technologies and superior manufacturing methods to create an axle of unparalleled quality. This specific axle is the inner RH (right-hand) component, designed to fit GM 8.5” front differentials. Its robust construction aims to provide enhanced strength and longevity over stock components, making it suitable for demanding use.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandUSA Standard Gear
Part NumberZA W39254
CategoryDrivetrain

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Returns & Fitment

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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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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