Drivetrain› Differentials and Rear-End Components

Motive Gear

~(12.9 lbs. 14X10X5)~ RP GM 8.875 3.73 TRUCK EXL

$303.20

SKU: M01Z 12BT373

In Stock
In Stock
Ships by Jun 17
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Motive Gear 12BT373 is a differential gear set designed for GM 12-bolt truck axles. It features a 3.73 gear ratio, with 41 ring teeth and 11 pinion teeth. The ring gear diameter is 8.875 inches and it has 30 spline count. This gear set is suitable for General Motors 12-bolt truck differentials.

Fitment

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Specifications

BrandMotive Gear
Part NumberM01Z 12BT373

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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