Drivetrain› Differentials and Rear-End Components

Richmond Gear/Motive Gear

REAR DIFF R&P 10.5 GM

$293.88

SKU: R01O SGM10501

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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

This Motive Gear ring and pinion set is designed for GM 10.5" (14 Bolt) differentials with a 3.75 ratio. It requires a 4.10 and numerically lower ratio carrier. The ring gear is made of 8620 steel, has 12 bolts, a 10.5-inch outside diameter, and 45 teeth. The pinion gear has 12 teeth, a 1.75-inch shaft diameter, and 30 splines. It features a standard ring gear rotation.

Fitment

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Specifications

BrandRichmond Gear/Motive Gear
Part NumberR01O SGM10501

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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