USA Standard Gear

12-Bolt 30-Spline Rear Axle

$352.28

SKU: ZA G3893605

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

Description

The USA Standard axle is a direct replacement part engineered for 1965-1969 4WD GM trucks. This axle features a 12-bolt differential and 30 splines, ensuring compatibility with the original equipment for the specified GM truck models. It has a total length of 30 3/4 inches, allowing for a precise fit within the rear axle assembly. The USA Standard axle is built with durable materials to withstand the demands of 4-wheel drive applications. This part is specifically designed for 4WD GM trucks from the 1965 through 1969 model years. Compatibility is confirmed for models such as the Chevrolet C10 Suburban and K10 Suburban for the years 1967-1969, noting 6-lug wheels and the 12-bolt differential with 30 splines.

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

BrandUSA Standard Gear
Part NumberZA G3893605
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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