Drivetrain› Differentials and Rear-End Components

Zumbrota Drivetrain

GM 12 Bolt Differential Bearing Install Kit

$283.89

SKU: BK GM12T

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The Yukon Bearing install kit for GM 12 bolt truck differential is a bearing and race kit for GM 12 bolt truck differentials. It includes carrier bearings and races, pinion bearings and races, a pinion seal, crush sleeve, marking compound, and brush. This kit is designed by Yukon Gear and Axle.
Show original supplier description
The Yukon Bearing install kit for GM 12 bolt truck differential is a comprehensive kit designed for rebuilding or servicing GM 12-bolt truck differentials. Manufactured by Yukon Gear and Axle, this kit provides essential components for a proper installation. It is ideal for shops and builders who may already have shims available and are looking for a cost-effective alternative to a full Master Overhaul Kit. This installation kit includes all the necessary small parts to get the job done right. The included components are: carrier bearings and races, pinion bearings and races, a pinion seal, a crush sleeve, marking compound, and a brush. Yukon Gear and Axle conducts thorough research for each application to ensure that the kit contains all the correct parts needed for the proper installation of ring and pinion gear sets. The kit is specifically designed to fit GM 12-bolt truck differentials.

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

Don’t gamble
on fit.

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

BrandZumbrota Drivetrain
Part NumberBK GM12T
CategoryDrivetrain
5,000+ Trusted brands
1M+ Enthusiasts
5M+ Parts sold
(760) 282-4645 hello@motormia.co

Buy with Confidence

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.

View Full Return Policy

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.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

View Full Shipping Policy