For 1990-2009 cars

Application | GM SPO Group Number
--- | ---
Differential Bearing Adjusting Adjuster, Lock, Nut, Ring, Shim, Shim Kit, Sleeve and Spacer | 5.537
Differential Bearing Adjusting Nut Lock | 5.539
Differential Bearing Set | 5.536
Differential Carrier | 5.505
Differential Carrier Bolt, Bushing, Pin and Washer | 5.506
Differential Carrier Bracket | 5.387
Differential Carrier Housing Magnet | 5.508
Differential Drive Pinion Front and Center Bearing Bolt and Spacer | 5.453
Differential Drive Pinion Seal | 5.469
Differential Locking Bushing, Cam, Disc Set, Governor and Guide | 5.511
Differential Locking Shaft | 5.517
Differential Pinion Cage Shim | 5.458
Differential Pinion Gear | 5.526
Differential Pinion Spider | 5.520
Differential Pinion Thrust Block and Washer | 5.542
Differential and Planet Case, Cover and Differential | 5.510
Differential Rear Pinion Bearing Shim and Shim Kit | 5.460
Differential Side Gear | 5.528
Differential Side Gear Thrust Shim, Sleeve and Washer | 5.543
Differential Side with Pinion Gear Kit | 5.527
Drive Pinion Rear and Intermediate Baffle, Bearing, Cone and Cup | 5.484
Final Drive Bracket, Shield and Washer | 5.500
Pinion Bearing and Oil Seal Retainer | 5.476
Pinion Shaft Front Bearing, Cone and Cup | 5.447
Pinion Shaft Lock Bolt and Pin | 5.518
Rear Axle | 5.386
Rear Axle Bolt, Clip, Connector, Housing, Stud and Vent | 5.387
Rear Axle Housing Bolt and Cover | 5.398
Rear Axle Housing Cover Gasket | 5.399
Ring Gear Bolt | 5.531
Ring and Pinion Gear Kit and Gear Set | 5.529