Zumbrota Drivetrain

Rear Axle Kit, 30 Spline, 5x5 Bolt Pattern

$174.89

SKU: ZA K630118

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

Description

The Zumbrota Drivetrain ZA K630118 is a rear axle kit engineered for GM 8.5-inch differentials, offering a robust solution for replacement, repair, or upgrade needs. Manufactured by USA Standard Gear, this kit leverages advanced alloys and modern heat-treating processes to ensure strength and longevity. It is designed with 30 splines and a 5 x 5 inch bolt pattern, and includes all necessary components for installation. This comprehensive kit comes with the wheel bearing, seal, differential cover gasket, studs, and lug nuts, providing a complete package to get your vehicle's axle back in optimal condition. The axle shaft itself measures 31.8 inches in length, and the wheel bearing has an outer diameter of 2.53 inches. These specifications ensure a precise fit and proper function within the compatible GM 8.5-inch differential housing. This kit aims to provide a fast and effective way to restore your vehicle's axle functionality, ensuring it's up and running smoothly. The product also comes with a 1-year limited warranty for added peace of mind.

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

BrandZumbrota Drivetrain
Part NumberZA K630118
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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