Drivetrain› Manual Transmissions and Components
Motive Gear
MOTIVE GEAR T18 REVERSE IDLER GEAR S17-20T - AT18-10R
SKU: M01Z AT18-10R
Moderate — 2–4 hours
Description
MIA's Description
This component is a direct replacement for the original part, ensuring proper fit and function within the transmission system. It is manufactured by Motive Gear, a known supplier of drivetrain components.
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
| Brand | Motive Gear |
| Part Number | M01Z AT18-10R |
Videos
Motive Gear Ring & Pinion Install
What Gear Ratio Should You Put In Your Car? Gear Ratios, Explained
Difference Between Manuals Sequential & H-Pattern Dog Box
Reverse Gear for Harley-Davidson Transmissions
How dogbox transmission works - GearMotive 6spd Honda TypeR dogbox
GM 10 Bolt The Kodiak Gets 3.90 Motive Gear, TrueTrac Posi, Quick Performance Kit, And Moser Axles.
Gear Setup Tricks And Tips For Ring And Pinion From 20 Years Experience
How-to Install a Spartan Locker in a GM 8.5 10-Bolt (No Gear Reset Needed)
Building a VW Dogbox Transmission
WORLDS FIRST GearMotive ZF Dogbox In an NA Miata. It's Insane.
USA Standard Unboxing - Ring and Pinion Gear Sets
How To Rebuild A T5 World Class Transmission - Gforce Gears PT-1
My 1968 Camaro Muncie 4spd Stuck In 3rd Gear
How To Install Ring & Pinion Gears in a Jeep Wrangler JK
Dana 30 Rebuild Guide Pt.2: Yukon 4.56 Gears, Gear Setup, Powertrax No-Slip Locker
Backlash Ring & Pinion wear vs Spider gear wear
Ring Gear installation: How to set gears: Ring and pinion gear installation
Differential Ring and Pinion Gear Setup
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