USA Standard

USA Standard Gear Rear Axle Kit

$530.16

SKU: ZA K630404

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

Description

The USA Standard Gear ZA K630404 rear axle kit is engineered to provide a robust and durable replacement or upgrade for your vehicle's differential system. Designed specifically for Chrysler 8.25-inch differentials, this kit ensures precise fitment with its 27-spline count and 6-lug configuration, fitting rear applications with a 30.8125-inch axle length. Constructed from advanced alloys and subjected to advanced heat-treating processes, the ZA K630404 axle is built for superior strength and longevity, designed to withstand demanding driving conditions. This comprehensive kit includes all necessary components for a complete installation, featuring a wheel bearing, differential cover gasket, seal, studs, and lug nuts. USA Standard Gear is committed to manufacturing parts that meet or exceed Original Equipment (OE) quality standards, ensuring reliable performance and a factory-like fit. This rear axle kit is ideal for technicians and enthusiasts looking to replace worn-out components or enhance the durability of their drivetrain. Its design facilitates a straightforward installation, allowing your vehicle to be back on the road quickly. USA Standard Gear emphasizes quality and reliability in all its drivetrain components.

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
Part NumberZA K630404
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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