USA Standard Gear

Rear Axle Shaft Kit for GM 7.5-inch Differentials

$263.89

SKU: ZA K630831

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

Description

The USA Standard Gear ZA K630831 is a comprehensive rear axle kit engineered for GM 7.5-inch differentials. Crafted from advanced alloys and utilizing the latest heat-treating technologies, USA Standard Gear produces axles that are both strong and durable, built to meet or exceed original equipment manufacturer (OE) quality. This specific kit is tailored for rear applications, featuring 26 splines and a length of 26.825 inches, with a 5-lug pattern. Included in this kit are all the essential components needed for installation: the axle shaft itself, a wheel bearing, a seal, a differential cover gasket, studs, and lug nuts. This all-in-one solution simplifies the process of replacing, repairing, or upgrading your axle shafts, getting your vehicle back in operational condition efficiently. The kit is specifically designed to fit GM 7.5-inch differentials, offering a precise fit for compatible vehicles. Its robust construction ensures longevity and consistent performance, making it a reliable choice for maintaining or enhancing your drivetrain.

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 K630831
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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