USA Standard Gear

Rear Axle Kit with Differential Cover Gasket

$170.89

SKU: ZA K630117

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

Description

The USA Standard Gear ZA K630117 Rear Axle Kit is engineered to provide a reliable replacement for your vehicle's drivetrain. This kit is specifically designed to fit GM 8.5-inch differentials, featuring 30 splines and a precise length of 30.375 inches. It comes equipped with 12mm studs and a 5 x 5 inch bolt pattern for the rear wheels. The kit is comprehensive, including essential components for installation and proper function. You will receive a wheel bearing with a 2.25-inch outer diameter, a seal, a differential cover gasket, studs, and lug nuts. USA Standard Gear replacement axles are manufactured to meet or exceed original equipment quality standards, ensuring durability and performance. This axle kit is compatible with a range of vehicles, including Chevrolet Impala (1994-1996), Chevrolet Caprice (1991-1996), Cadillac Brougham (1991-1992), Cadillac Fleetwood (1991-1992), and Buick Roadmaster (1992-1996). The product comes with a 1-year warranty.

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

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandUSA Standard Gear
Part NumberZA K630117
CategoryDrivetrain

We’re here — turning wrenches, just like you.

Call us, follow along, or come say hi.

(760) 282-4645 Instagram Google

Buy with Confidence

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.

View Full Return Policy

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.

View Full Shipping Policy