Zumbrota Drivetrain

GM 8.0" Rear Left Axle Kit

$371.89

SKU: ZA K630609

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

Description

The Zumbrota Drivetrain ZA K630609 is a rear axle kit specifically engineered for GM 8.0-inch differentials. This kit is built to meet or exceed Original Equipment (OE) quality standards, ensuring reliable performance. It is designed for the rear axle position and features a 28-spline count with a length of 30.5625 inches. The specific configuration includes 6 lugs and is for the left-hand (LH) side application. Constructed with advanced heat-treating processes, this axle is built to be stronger and more durable than standard axles. The kit comes complete with essential components for installation, including a wheel bearing, seal, studs, and lug nuts. USA Standard Gear manufactures this component, known for its commitment to quality drivetrain parts. This rear axle kit is suitable for applications requiring a robust and reliable replacement for GM 8.0" differentials. Its precise specifications, including spline count and length, ensure a proper fit for compatible GM vehicles.

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 K630609
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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