Zumbrota Drivetrain

GM 9.5"/9.76" Rear Axle Kit, 33 Spline, 6 Lug

$309.89

SKU: ZA K630325

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

Description

The Zumbrota Drivetrain ZA K630325 is a rear axle kit specifically designed for GM 9.5"/9.76" differentials. This kit is engineered for durability and performance, featuring 33 splines and a 6-lug configuration with a length of 34.02 inches. The axle is manufactured with advanced heat-treating processes to ensure superior strength and a longer lifespan. This comprehensive kit includes all the necessary components for installation, including a wheel bearing, seal, studs, and lug nuts. It is designed and built by USA Standard Gear to meet or exceed original equipment (OE) quality standards, providing a reliable replacement or upgrade for your vehicle's drivetrain. Constructed with robust materials and precise manufacturing, this rear axle kit ensures dependable operation. The focus on advanced heat-treating results in a stronger, more durable axle capable of withstanding demanding 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

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Specifications

BrandZumbrota Drivetrain
Part NumberZA K630325
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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