Drivetrain Differentials and Rear-End Components

Motive Gear

~(6.2 lbs. 13X13X3)~ Kit BrgANDSl Gm 12Blt 8 7/8

$217.98

SKU: M01Z R12RMK

In Stock
In Stock
Ships by Aug 1
Free Shipping over $100
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

~(6.2 lbs. 13X13X3)~ Kit BrgANDSl Gm 12Blt 8 7/8

MIA's Description

The Motive Gear R12RMK is a master bearing kit designed for GM 8.875-inch 12-bolt truck differentials. This kit includes Koyo tapered bearings for the carrier, front and rear pinion, and pilot where applicable. It also contains a brush and a cover gasket or RTV sealant.

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

BrandMotive Gear
Part NumberM01Z R12RMK

Videos

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.

View Full Return Policy