# Eaton Detroit Truetrac Differential 29 Spline 1.27in Axle Shaft Diameter 3.08 & Up Ratio Rear AMC 20

The Detroit Truetrac is a helical-gear style, limited-slip differential that maximizes wheel traction and enhances driving characteristics. Maintenance-free, it features smooth, automatic operation in forward and reverse. Its versatility makes Detroit Truetrac the ideal traction solution for almost any type of vehicle.

-   Optimized Torque Bias Ratios Deliver Max Acceleration And Handling
-   No Special Lubrication Or Friction Modifiers Needed
-   Helical Gear Limited Slip Differential
-   Durable; Smooth; Quiet Operation
-   Works In Forward And Reverse
-   Ideal For Most Vehicles
-   Automatic Engagement

This Part Fits:

Year

Make

Model

Submodel

2006

Hummer

H1

Alpha

2003-2004

Hummer

H1

Base

2003-2009

Hummer

H2

Base

2008-2009

Hummer

H3

Alpha

2006-2009

Hummer

H3

Base

2009

Hummer

H3

Championship Series

2007-2009

Hummer

H3

X

1976-1986

Jeep

Cherokee

Base

1981-1982,1985-1986

Jeep

Cherokee

Chief

1985-1986

Jeep

Cherokee

Laredo

1983,1985-1986

Jeep

Cherokee

Pioneer

1976-1977

Jeep

Cherokee

S

1978-1980

Jeep

Cherokee

Wide Track

1983

Jeep

Cherokee

Wide Track Chief

1976-1983

Jeep

CJ5

Base

1977-1980

Jeep

CJ5

Golden Eagle

1980-1983

Jeep

CJ5

Laredo

1982-1983

Jeep

CJ5

Limited

1976-1983

Jeep

CJ5

Renegade

1976-1986

Jeep

CJ7

Base

1977-1979

Jeep

CJ7

Golden Eagle

1980

Jeep

CJ7

Golden Hawk

1980-1983,1985-1986

Jeep

CJ7

Laredo

1982-1983

Jeep

CJ7

Limited

1976-1986

Jeep

CJ7

Renegade

1984-1986

Jeep

Grand Wagoneer

Base

1984-1985

Jeep

Grand Wagoneer

Limited

1981-1985

Jeep

Scrambler

Base

1985

Jeep

Scrambler

Laredo

1985

Jeep

Scrambler

Renegade

1982-1983

Jeep

Scrambler

SL

1982-1984

Jeep

Scrambler

SR

1976-1982,1984-1986

Jeep

Wagoneer

Base

1982-1983

Jeep

Wagoneer

Brougham

1976

Jeep

Wagoneer

Custom

1979-1986

Jeep

Wagoneer

Limited

## Details

- **Price:** 1242.6 CAD
- **Vendor:** Eaton
- **Type:** Differentials

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 1242.60 CAD | In stock |

## Images

- Photo - Primary
- Photo - Primary
- Photo - Primary
- Photo - Unmounted

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/eaton-detroit-truetrac-differential-29-spline-1-27in-axle-shaft-diameter-3-08-up-ratio-rear-amc-20)
> Updated: 2026-06-27