USA Standard Gear

4340 Chromoly Front Axle Shaft

$222.89

SKU: ZA W39253

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

Description

The USA Standard Gear ZA W39253 is a heavy-duty, left-hand inner front axle shaft engineered for GM 8.5” differentials. Constructed from high-tensile strength 4340 chromoly, this axle shaft is built to withstand demanding conditions and ensure long-lasting performance. Designed with superior manufacturing methods and advanced heat-treating technologies, the ZA W39253 offers unparalleled quality and durability. It measures 35.46 inches long from the end of the splines to the center of the u-joint bore and features 28 internal splines. This axle shaft is compatible with the 5-760X Series u-joint.

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 W39253
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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