Zumbrota Drivetrain

Rear Axle Kit

$285.89

SKU: ZA K630830

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

Description

The Zumbrota Drivetrain ZA K630830 is a rear axle kit specifically designed for GM 8.6-inch differentials. This comprehensive kit provides a direct replacement for worn or damaged axle components, ensuring optimal performance and reliability for your vehicle's drivetrain. This kit is engineered with 30 splines and measures 34.5 inches in length, making it suitable for rear axle applications. It is designed to work with vehicles featuring a 6-lug pattern. The kit includes all necessary components for a complete installation, such as the axle shaft, wheel bearing, seal, differential cover gasket, studs, and lug nuts. This ensures a longer lifespan and dependable performance under various driving conditions.

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

BrandZumbrota Drivetrain
Part NumberZA K630830
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