GM Service Manual Online
For 1990-2009 cars only

GM SPO Group Numbers

Application

GM SPO Group Number

Rear Vent Hose Clamp

5.387

Rear Axle Vent Hose

5.387

Rear Axle Housing

5.387

Rear Axle Housing Drain Plug

5.400

Rear Axle Housing Fill Plug

5.400

Differential Drive Pinion Gear Outer Bearing

5.447

Rear Axle Shim (1.12MM Thick)

5.460

Rear Axle Shim (1.18MM Thick)

5.460

Rear Axle Shim (1.24MM Thick)

5.460

Rear Axle Shim (1.3MM Thick)

5.460

Rear Axle Shim (0.30MM Thick)

5.460

Rear Axle Shim (1.15MM Thick)

5.460

Rear Axle Shim (1.27MM Thick)

5.460

Rear Axle Pinion Oil Seal

5.469

Differential Carrier (To Rear Axle) Includes washers

5.505

Differential Case Bolt

5.510

Differential (To Rear Axle) Case

5.510

Differential Pinion Gear (To Rear Axle) Shaft

5.517

Differential Side Gear

5.528

Differential Ring and Drive Pinion Gear Set

5.529

Differentail (To Rear Axle) Bearing

5.536

Differentail Drive Pinion Gear Thrust Washer

5.542

Differentail Side Gear Thrust Washer (To Rear Axle) Outer

5.542