USA Standard Gear

Rear Axle Kit for GM 9.5in Differentials

$300.89

SKU: ZA K630151

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

Description

The USA Standard Gear ZA K630151 rear axle kit is engineered to meet or exceed OE quality, providing a strong and durable replacement, repair, or upgrade for your vehicle's axle shafts. Utilizing advanced alloys and the latest heat-treating technologies, these axles are built for dependable service. This specific kit is designed for GM 9.5-inch differentials and features 33 splines with a left-hand orientation. The axle measures 34.8 inches in length and is equipped with 8 lugs for wheel attachment. The included wheel bearing has an outside diameter of 2.985 inches. The complete kit contains all the necessary components for installation, including the wheel bearing, seal, differential cover gasket, studs, and lug nuts, ensuring a fast and efficient return to service. This rear axle kit is compatible with Chevrolet Express 2500, Express 3500, GMC Savana 2500, and Savana 3500 vans from the 2003 to 2009 model years. It is specifically designed for the GM 9.5-inch differential application. As with all vehicle components, professional installation is recommended to ensure proper fitment and function.

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 K630151
CategoryDrivetrain

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

Call us, follow along, or come say hi.

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