Drivetrain› Differentials and Rear-End Components

Richmond Gear/Motive Gear

Differential Ring and Pinion

$213.61

SKU: R01O D30373

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Richmond Gear/Motive Gear D30373 is a differential ring and pinion gear set designed for Dana 30 standard differentials. It features a 3.73 gear ratio, a 7.125-inch ring gear outside diameter, and is constructed from 8620 steel. This set includes 10 ring gear bolts and 10 cover bolts. The pinion shaft diameter is 1.376 inches with 26 splines, and the pinion gear has 11 teeth while the ring gear has 41 teeth. This gear set is for standard rotation applications and is intended for front axle installation.

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

BrandRichmond Gear/Motive Gear
Part NumberR01O D30373

Videos

Motive Gear Ring & Pinion Install

Motive Gear Ring & Pinion Install
Dana 30 Re-Gear: Revolution Gears & Powertrax No-Slip locker Install Jeep TJ | LJ | XJ | MJ | YJ

Dana 30 Re-Gear: Revolution Gears & Powertrax No-Slip locker Install Jeep TJ | LJ | XJ | MJ | YJ
Noisy Gears Update - New Ring & Pinion

Noisy Gears Update - New Ring & Pinion
Regearing the Jeep JK with Ian Johnson

Regearing the Jeep JK with Ian Johnson
Dana 44 Re-Gear: Revolution Gears & Detroit Truetrac LSD locker Install Jeep TJ | LJ | Jk

Dana 44 Re-Gear: Revolution Gears & Detroit Truetrac LSD locker Install Jeep TJ | LJ | Jk
Mustang Gear Install: Ford Racing 8.8 Ring & Pinion | 1986-2009

Mustang Gear Install: Ford Racing 8.8 Ring & Pinion | 1986-2009
How To Install Ring & Pinion Gears in a Jeep Wrangler JK

How To Install Ring & Pinion Gears in a Jeep Wrangler JK
Jeep Dana 30 Ring Gear install and more pinion gear tips #poweraddictscrew #jeepwrangleryj

Jeep Dana 30 Ring Gear install and more pinion gear tips #poweraddictscrew #jeepwrangleryj
How to Install a 9 Inch Ford Ring & Pinion Gear Set

How to Install a 9 Inch Ford Ring & Pinion Gear Set
RE-GEARING Your Jeep Wrangler or Gladiator and Everything You Need to Know About It

RE-GEARING Your Jeep Wrangler or Gladiator and Everything You Need to Know About It
GM 8.5 10 bolt gear setup and final assembly

GM 8.5 10 bolt gear setup and final assembly
AMC 20 Re-Gear and Pinion Install | Rebuild Part 3 | Jeep CJ7 | Project Rowdy Ep 043

AMC 20 Re-Gear and Pinion Install | Rebuild Part 3 | Jeep CJ7 | Project Rowdy Ep 043
Helpfull Tip For Pinion Gear Set Up in Differential

Helpfull Tip For Pinion Gear Set Up in Differential
Nitro Gear 4.30 Ring & Pinion Install Ford Super Duty 6.7L on Two Guys Garage

Nitro Gear 4.30 Ring & Pinion Install Ford Super Duty 6.7L on Two Guys Garage
USA Standard Unboxing - Ring and Pinion Gear Sets

USA Standard Unboxing - Ring and Pinion Gear Sets

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