# Eaton ELocker Differential 30 Spline 1.31in Axle Shaft Dia 2.73 & Up Ratio Fr 8.5in/Rr 8.5in/8.6in

The Eaton ELocker is an electronic, selectable differential designed for drivers that need traction on-demand. At the flip of a dash switch, drivers can go from open to 100-percent locked. A second flip of the switch deactivates the unit to resume normal driving. The ELocker is the most reliable on-demand differential, featuring selectable operation and net-forged gears for added strength.

-   Eaton NGR locking rocker switch and wiring harness included
-   Driver controlled push-button operation
-   Electromagnetic Locking Differential
-   Most Reliable On-Demand Differential
-   2-pinion net-forged gear design
-   Works In Forward And Reverse

This Part Fits:

Year

Make

Model

Submodel

1973-1975

Buick

Apollo

Base

1975

Buick

Apollo

SR

1988-1996

Buick

Century

Custom

1988-1989

Buick

Century

Estate Wagon

1988-1993,1996

Buick

Century

Limited

1991-1996

Buick

Century

Special

1991-1996

Buick

Commercial Chassis

Base

1988-1989

Buick

Electra

Estate Wagon

1988-1990

Buick

Electra

Limited

1988-1990

Buick

Electra

Park Avenue

1989-1990

Buick

Electra

Park Avenue Ultra

1988-1990

Buick

Electra

T-Type

1988-1991

Buick

LeSabre

Base

1988-1996

Buick

LeSabre

Custom

1988-1990

Buick

LeSabre

Estate Wagon

1988-1996

Buick

LeSabre

Limited

1991-1996

Buick

Park Avenue

Base

1991-1996

Buick

Park Avenue

Ultra

2004-2007

Buick

Rainier

CXL

2004-2005

Buick

Rainier

CXL Plus

1988-1991

Buick

Reatta

Base

1973-1987

Buick

Regal

Base

1988-1996

Buick

Regal

Custom

1982-1983

Buick

Regal

Estate Wagon

1987

Buick

Regal

GNX

1989-1996

Buick

Regal

Gran Sport

1984-1987

Buick

Regal

Grand National

1978-1996

Buick

Regal

Limited

1982

Buick

Regal

Limited Turbo

1996

Buick

Regal

Olympic Gold Edition

1978-1982

Buick

Regal

Sport

1976-1977

Buick

Regal

SR

1983-1986

Buick

Regal

T-Type

1975-1978,1995-1996

Buick

Riviera

Base

1975

Buick

Riviera

GS

1988-1993

Buick

Riviera

Luxury

1978

Buick

Riviera

LXXV Anniversary Edition

1976

Buick

Riviera

Sport

1976

Buick

Riviera

SR

1988-1989

Buick

Riviera

T-Type

1992-1995

Buick

Roadmaster

Base

1996

Buick

Roadmaster

Collector's Edition

1991-1995

Buick

Roadmaster

Estate Wagon

1996

Buick

Roadmaster

Estate Wagon Collector's Edition

1992-1995

Buick

Roadmaster

Limited

1996

Buick

Roadmaster

Limited Collector's Edition

1988-1989

Buick

Skyhawk

Custom

1988-1989

Buick

Skyhawk

SE

1970,1972

Buick

Skylark

350

1970-1972,1975-1979,1990-1991

Buick

Skylark

Base

1970-1972,1978-1979,1988-1996

Buick

Skylark

Custom

1990-1996

Buick

Skylark

Gran Sport

1988-1989,1993-1996

Buick

Skylark

Limited

1990-1991

Buick

Skylark

Luxury Edition

1996

Buick

Skylark

Olympic Gold Edition

1976-1979

Buick

Skylark

S

1978

Buick

Skylark

Sport

1975-1977

Buick

Skylark

SR

1999-2000,2002-2013

Cadillac

Escalade

Base

2009-2013

Cadillac

Escalade

Hybrid

2010-2013

Cadillac

Escalade

Hybrid Platinum

2011-2013

Cadillac

Escalade

Luxury

2008-2013

Cadillac

Escalade

Platinum

2011-2013

Cadillac

Escalade

Premium

2003-2013

Cadillac

Escalade ESV

Base

2011-2013

Cadillac

Escalade ESV

Luxury

2008-2013

Cadillac

Escalade ESV

Platinum

2011-2013

Cadillac

Escalade ESV

Premium

2002-2009

Cadillac

Escalade EXT

Base

2013

Chevrolet

Avalanche

Black Diamond LS

2013

Chevrolet

Avalanche

Black Diamond LT

2013

Chevrolet

Avalanche

Black Diamond LTZ

2007-2012

Chevrolet

Avalanche

LS

2007-2012

Chevrolet

Avalanche

LT

2007-2012

Chevrolet

Avalanche

LTZ

2002-2005

Chevrolet

Avalanche 1500

Base

2005-2006

Chevrolet

Avalanche 1500

LS

2005-2006

Chevrolet

Avalanche 1500

LT

2002-2003

Chevrolet

Avalanche 1500

North Face

2002-2003

Chevrolet

Avalanche 1500

On Road Edition

2003

Chevrolet

Avalanche 1500

WBH

2004-2006

Chevrolet

Avalanche 1500

Z66

2002-2006

Chevrolet

Avalanche 1500

Z71

1988-1996

Chevrolet

Beretta

Base

1989-1993

Chevrolet

Beretta

GT

1990-1993

Chevrolet

Beretta

GTZ

1990

Chevrolet

Beretta

Indianapolis 500 Pace Car

1994-1996

Chevrolet

Beretta

Z26

1995-1999

Chevrolet

Blazer

Base

1996-2000

Chevrolet

Blazer

LS

1995-2000

Chevrolet

Blazer

LT

1999-2000

Chevrolet

Blazer

Trailblazer

1990-1993

Chevrolet

C1500

454 SS

1994-1997

Chevrolet

C1500

Base

1988-1998

Chevrolet

C1500

Cheyenne

1988-1992

Chevrolet

C1500

Scottsdale

1988-1998

Chevrolet

C1500

Silverado

1990-1998

Chevrolet

C1500

WT

1992-1998

Chevrolet

C1500 Suburban

Base

1995-1998

Chevrolet

C1500 Suburban

LS

1995-1997

Chevrolet

C1500 Suburban

LT

1992-1994

Chevrolet

C1500 Suburban

Silverado

1988,1993-1996

Chevrolet

Camaro

Base

1993

Chevrolet

Camaro

Indianapolis 500 Pace Car

1988-1990

Chevrolet

Camaro

Iroc-Z

1989-1992,1996

Chevrolet

Camaro

RS

1992

Chevrolet

Camaro

RS Heritage Edition

1991-1996

Chevrolet

Camaro

Z28

1992

Chevrolet

Camaro

Z28 Heritage Edition

1988-1992

Chevrolet

Caprice

Base

1988-1996

Chevrolet

Caprice

Classic

1988-1990

Chevrolet

Caprice

Classic Brougham

1993-1994

Chevrolet

Caprice

Classic LS

1988-1990

Chevrolet

Caprice

Classic LS Brougham

1991-1993

Chevrolet

Caprice

Classic LTZ

1988-1990,1995-1996

Chevrolet

Cavalier

Base

1995-1996

Chevrolet

Cavalier

LS

1988-1994

Chevrolet

Cavalier

RS

1988-1994

Chevrolet

Cavalier

VL

1988-1996

Chevrolet

Cavalier

Z24

1988-1990

Chevrolet

Celebrity

Base

1989

Chevrolet

Celebrity

CL

1988-1990

Chevrolet

Celebrity

Eurosport

2004

Chevrolet

Colorado

Base

2004,2006-2008

Chevrolet

Colorado

LS

2006-2012

Chevrolet

Colorado

LT

2004-2005

Chevrolet

Colorado

Sport

2004-2005

Chevrolet

Colorado

Sport LS

2006-2012

Chevrolet

Colorado

WT

2004-2005

Chevrolet

Colorado

Z71

2004-2005

Chevrolet

Colorado

Z71 LS

2004-2005

Chevrolet

Colorado

Z85

2004-2005

Chevrolet

Colorado

Z85 LS

1988-1989,1994-1996

Chevrolet

Corsica

Base

1988,1990-1993

Chevrolet

Corsica

LT

1989-1990,1992

Chevrolet

Corsica

LTZ

1988

Chevrolet

Corvette

35th Anniversary Edition

1993

Chevrolet

Corvette

40th Anniversary Edition

1988-1996

Chevrolet

Corvette

Base

1996

Chevrolet

Corvette

Collector's Edition

1996

Chevrolet

Corvette

Grand Sport

1995

Chevrolet

Corvette

Indianapolis 500 Pace Car

1990-1995

Chevrolet

Corvette

ZR-1

1996-2013

Chevrolet

Express 1500

Base

1996-2013

Chevrolet

Express 1500

LS

2001-2002,2006-2013

Chevrolet

Express 1500

LT

1988-1995

Chevrolet

G10

Beauville

1988-1995

Chevrolet

G10

Chevy Van

1988-1995

Chevrolet

G10

Sportvan

1988-1995

Chevrolet

G20

Beauville

1988-1995

Chevrolet

G20

Chevy Van

1988-1995

Chevrolet

G20

Sportvan

1994-1996

Chevrolet

Impala

SS

1994-1997

Chevrolet

K1500

Base

1988-1998

Chevrolet

K1500

Cheyenne

1988-1992

Chevrolet

K1500

Scottsdale

1988-1998

Chevrolet

K1500

Silverado

1991

Chevrolet

K1500

Sport

1990-1998

Chevrolet

K1500

WT

1993-1998

Chevrolet

K1500 Suburban

Base

1995-1998

Chevrolet

K1500 Suburban

LS

1995-1997

Chevrolet

K1500 Suburban

LT

1993-1994

Chevrolet

K1500 Suburban

Silverado

1988-1991

Chevrolet

K2500

Cheyenne

1988-1991

Chevrolet

K2500

Scottsdale

1988-1991

Chevrolet

K2500

Silverado

1977-1980

Chevrolet

K5 Blazer

Cheyenne

1981-1986

Chevrolet

K5 Blazer

Custom

1977-1980

Chevrolet

K5 Blazer

Custom Deluxe

1981

Chevrolet

K5 Blazer

Deluxe

1984

Chevrolet

K5 Blazer

Scottsdale

1978,1980-1986

Chevrolet

K5 Blazer

Silverado

1990-1996

Chevrolet

Lumina

Base

1990-1994

Chevrolet

Lumina

Euro

1995-1996

Chevrolet

Lumina

LS

1991-1994

Chevrolet

Lumina

Z34

1988

Chevrolet

Monte Carlo

Base

1988,1995-1996

Chevrolet

Monte Carlo

LS

1988

Chevrolet

Monte Carlo

SS

1995-1996

Chevrolet

Monte Carlo

Z34

1988

Chevrolet

Nova

Base

1988

Chevrolet

Nova

CL

1988

Chevrolet

Nova

Twin Cam

1988

Chevrolet

R10 Suburban

Scottsdale

1988

Chevrolet

R10 Suburban

Silverado

1989-1991

Chevrolet

R1500 Suburban

Scottsdale

1989-1991

Chevrolet

R1500 Suburban

Silverado

1994

Chevrolet

S10 Blazer

Base

1994

Chevrolet

S10 Blazer

LT

1994

Chevrolet

S10 Blazer

Tahoe

1994

Chevrolet

S10 Blazer

Tahoe LT

1999-2005

Chevrolet

Silverado 1500

Base

2016-2019

Chevrolet

Silverado 1500

Custom

2019

Chevrolet

Silverado 1500

Custom Trail Boss

2014-2019

Chevrolet

Silverado 1500

High Country

2004-2006,2009-2013

Chevrolet

Silverado 1500

Hybrid

1999-2013,2015-2018

Chevrolet

Silverado 1500

LS

1999-2019

Chevrolet

Silverado 1500

LT

2019

Chevrolet

Silverado 1500

LT Trail Boss

2007-2019

Chevrolet

Silverado 1500

LTZ

## Details

- **Price:** 2195.73 CAD
- **Vendor:** Eaton
- **Type:** Differentials

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 2195.73 CAD | In stock |

## Images

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

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/eaton-elocker-differential-30-spline-1-31in-axle-shaft-dia-2-73-up-ratio-fr-8-5in-rr-8-5in-8-6in)
> Updated: 2026-06-27
