GM 8.25 IFS Front

GM 8.25 IFS Front Axle
GPG Performance Parts

SPECIFICATIONS


Diff Cover: Ring Gear Dia.: 8.25" Pinion Dia.: 1.625" Pinion Splines: 30 spline

Case Change: none Years: 1988–2008 Notes: Independent Front Suspension

ILL #

Part #

Base Description

Extended Description

COMPLETE DIFFERENTIAL ASSEMBLIES

1

742D-1

Complete Differential Assembly

4.10 ratio Full size truck 4WD 1994–2006

1

742D-1A

Complete Differential Assembly

3:42 ratio Full size truck AWD 2007–up

1

742D-1B

Complete Differential Assembly

3:42 ratio Full size truck 4WD 2007–up

1

742D-1C

Complete Differential Assembly

3.73 ratio Full size truck 4WD 2007–up

1

742D-1D

Complete Differential Assembly

4.10 ratio Full size truck 4WD 2007–up

1

742D-1E

Complete Differential Assembly

3:42 ratio Full size truck 4WD 1988–1993

1

742D-1F

Complete Differential Assembly

3:42 ratio Full size truck 4WD 1994–2006

1

742D-1G

Complete Differential Assembly

3:73 ratio Full size truck 4WD 1988–1993

1

742D-1H

Complete Differential Assembly

3:73 ratio Full size truck 4WD 1994–2006

1

742D-1J

Complete Differential Assembly

3:73 ratio Full size truck 4WD 1988–1993

1

742D-1K

Complete Differential Assembly

3:73 ratio Full size truck 4WD 1994–2006

MASTER KITS (with Shims & Ring Gear Bolts)

006

742D006

Master Differential Bearing Kit

1988–1996

006

742D006A

Master Differential Bearing Kit

1997–2008 No shoulder on front pinion bearing

006

742D006B

Master Differential Bearing Kit

1997–2008 With shoulder on front pinion bearing

KITS

004

742D004

Differential Bearing Kit

1988–1996

004

742D004A

Differential Bearing Kit

1997–2008 No shoulder on front pinion bearing

004

742D004B

Differential Bearing Kit

1997–2008 With shoulder on front pinion bearing

SEALS & SLEEVES

034

742G034

Crush Sleeve

070

742D070

Pinion Seal

076

742D076

Front Axle Shaft Seal

1988–1996

076

742D076A

Front Axle Shaft Seal

1997–2008

BEARING, SHIMS & WASHERS

200

741A200

Carrier Shim Kit

202

742G202

Pinion Shim Kit

210

742D210

Differential Side Gear Washer

215

742A215

Pinion Yoke Washer

216

742D216

Pinion Gear Washer

217

742D217

Pinion Washer

250

742G250

Front Pinion Bearing Cone

No shoulder

250

741B250

Front Pinion Bearing Cone

With shoulder

251

742G251

Front Pinion Bearing Cup

No shoulder

251

742D251

Front Pinion Bearing Cup

With shoulder

255

742G255

Rear Pinion Bearing Cone

256

742G256

Rear Pinion Bearing Cup

270

741A270

Differential Side Bearing Cone

271

741A271

Differential Side Bearing Cup

278

742D278

Front Axle Shaft Bearing

Up to 1996

278

741B278

Front Axle Shaft Bearing

1997–2008

279

742D279

Front Axle Shaft Bearing

Inner

GM 8.25 IFS Front Axle
GPG Performance Parts

ILL #

Part #

Base Description

Extended Description

FRONT DIFFERENTIAL ACTUATORS


421


742D421

Front Differential Actuator Motor Electrical


Aluminium body (w/harness)


421


742D421A

Front Differential Actuator Motor Electrical


Plastic body (no harness)

FLUIDS

465

M465D

Posi Additive

465

M465G

Gear Oil Supplement

673

742G673

Pinion Shaft

HARD PARTS

678

742D678

Front Output Shaft

Inner

695

742D695

Front Axle Shaft

4WD (part time) right side 1997–2006 (370mm)

696

742D695A

Front Axle Shaft

AWD (full time) right side (499mm)

697

742D695B

Front Axle Shaft

4WD/AWD left side 1997–2006 (129mm)

710

742D710

Differential Side Gear

711

742D711

Differential Pinion Gear

714

742D714

Differential Case Empty

715

742D715

Differential Case Loaded

717

742D717

Internal Kit

730

742D730

Ring & Pinion

3.42 ratio

730

742D730A

Ring & Pinion

3.73 ratio

730

742D730B

Ring & Pinion

4.10 ratio

730

742D730F

Ring & Pinion

4.30 ratio

730

742D730C

Ring & Pinion

4.56 ratio

730

742D730D

Ring & Pinion

4.88 ratio

730

742D730E

Ring & Pinion

5.13 ratio

760

742D760

Front Differential Housing

1997–2006 4WD & AWD

760

742D760A

Front Differential Housing

1988–1996 4WD

760

742D760B

Front Differential Housing

2007–2008

840

742D840

Front Differential Fork

930

742D930

Differential Case Lockscrew

935

742G935

Ring Gear Bolt

950

742D950

Front Pinion Yoke

963

742D963

Front Clutch Collar

961

741A961

Pinion Nut

964

742D964

Front Differential Fork Clips

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