Zumbrota Drivetrain

9.25-inch Rear Axle Kit, 31 Spline

$345.89

SKU: ZA K630807

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

Description

The Zumbrota Drivetrain Rear Axle Kit, part number ZA K630807, is engineered as a robust replacement for your Dodge or RAM truck's rear axle assembly. Designed specifically for vehicles equipped with a 9.25-inch differential, this kit ensures precise fitment and reliable performance. It features a 31-spline count and a length of 34.125 inches, making it suitable for rear axle applications with 5 lugs and ABS systems. This comprehensive kit includes all the necessary hardware for a complete installation and proper function. You'll receive a new wheel bearing, a seal, a differential cover gasket, studs, and lug nuts. The USA Standard Gear brand ensures quality and reliability for this critical drivetrain part.

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 K630807
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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