Drivetrain› Differentials and Rear-End Components

Motive Gear

402 = DETROIT LOCKER/TRUETRAC

$1,466.18

SKU: M01Z R18703A

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In Stock
Ships by Jun 9
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Non-Returnable Item
INSTALL DIFFICULTY
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Advanced — 4+ hours

Description

The Motive Gear R18703A is a Detroit Locker differential for Ford 9-inch rearends, designed for 31-spline axles, exclusively for circle track racing applications.

Fitment

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Specifications

BrandMotive Gear
Part NumberM01Z R18703A

Videos

325Hp Ford Mustang vs. 31 Spline Differential / Dont Make Same Mistakes

325Hp Ford Mustang vs. 31 Spline Differential / Dont Make Same Mistakes
Will a 31-Spline Diff fit in a 28-Spline 9\" Housing? #ApacheStroker [EP7]

Will a 31-Spline Diff fit in a 28-Spline 9\" Housing? #ApacheStroker [EP7]
Easiest Way to Build a Ford 9 inch Gear That Will Last!

Easiest Way to Build a Ford 9 inch Gear That Will Last!
WHAT'S THE DIFF? PICKING THE RIGHT 9-INCH DIFFERENTIAL FOR YOU | EXPLAINED

WHAT'S THE DIFF? PICKING THE RIGHT 9-INCH DIFFERENTIAL FOR YOU | EXPLAINED
HOW TO SELECT THE RIGHT DIFFERENTIAL | EXPLAINED

HOW TO SELECT THE RIGHT DIFFERENTIAL | EXPLAINED
Eaton and Detroit Locker Differential Overview

Eaton and Detroit Locker Differential Overview
How to Install a 9 Inch Ford Ring & Pinion Gear Set

How to Install a 9 Inch Ford Ring & Pinion Gear Set
US GEAR Strange Engineering Ford 9 Inch Ring and Pinion Installation

US GEAR Strange Engineering Ford 9 Inch Ring and Pinion Installation
Ford 9 inch gear swap/ upgrade from 28 to 31 spline axles.

Ford 9 inch gear swap/ upgrade from 28 to 31 spline axles.
Why Is the Ford 9 Inch So Good | Nodular Ford 9 Inch Iron Axle

Why Is the Ford 9 Inch So Good | Nodular Ford 9 Inch Iron Axle
Motive Gear Ring & Pinion Install

Motive Gear Ring & Pinion Install

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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