Ignitions and Electrical› Charging Systems

Eaton

Eaton GM 10.50in Rear Master Install Kit

$289.37

SKU: E00K K-GM10.5-90R

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Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Eaton K-GM10.5-90R is a rear master differential installation kit for GM 10.50-inch axles. It includes all necessary components to properly install an Eaton differential or replace your ring and pinion. The kit features premium bearings and components for long life and quiet operation.

This kit is designed for 1990 and older applications. It has 14 cover bolts, 12 ring gear bolts, 30 axle splines, and 30 pinion splines with standard rotation.

Fitment

Fitment Guaranteed

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandEaton
Part NumberE00K K-GM10.5-90R

Buy with Confidence

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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