Drivetrain› Differentials and Rear-End Components

Richmond Gear/Motive Gear

Ring and Pinion-Chrysler 8.75 (489)

$625.99

SKU: R01O 69-0058-1

In Stock
In Stock
Ships by Jun 7
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

This is a Richmond Gear/Motive Gear Differential Ring and Pinion (Dropout) set with a 3.91 ratio. It is designed for Chrysler 8.75" (489 Housing) differentials and features a 10 spline pinion. The pinion gear has 11 teeth, and the ring gear has 43 teeth. The ring gear is made of 8620 Steel and has an outside diameter of 8.75 inches. The pinion shaft diameter is 1.875 inches.

Fitment

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Specifications

BrandRichmond Gear/Motive Gear
Part NumberR01O 69-0058-1

Videos

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The Big Mopar 8 3/4 Video! How To Rebuild Your Center Section, Identify Suregrip Carriers, And More
Junk Yard 8.75 For The 1969 Dart is Back Together -Sure Grip Delete -How To Setup 8.75 Differential

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Mopar 8 3/4 Gear Setup: Step-By-Step DIY Guide
Changing a Mopar 8.75" Axle Bearing

Changing a Mopar 8.75" Axle Bearing
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Mopar 8.75 basic rear end gear swap/center section change

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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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