USA Standard Gear

GM 8.5" HD Differential Master Bearing Install Kit

$249.99

SKU: ZBKGM8.5-HD

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

Description

The USA Standard Gear ZBKGM8.5-HD bearing kit is a comprehensive solution for rebuilding or regearing GM 8.5-inch rear differentials, particularly those equipped with aftermarket larger journal carrier bearings. This kit ensures you have all the necessary components for a precise installation. USA Standard Gear conducts thorough research for each specific application to guarantee that every kit contains the correct parts needed. The kit is designed to fit GM 8.5" axles that use LM102911 carrier races and is explicitly designed for systems with aftermarket larger journal carrier bearings. Included in the ZBKGM8.5-HD kit are carrier bearings and races, pinion bearings and races, a pinion seal, pinion nut, crush sleeve, marking compound, and a brush, providing a complete package for your differential rebuild.

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

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Available on iOS & Android

Specifications

BrandUSA Standard Gear
Part NumberZBKGM8.5-HD
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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