For 1990-2009 cars

Application | GM SPO Group Number
--- | ---
Absorber, Leveling Shock | 7.345
Compressor, Automatic Level Control | 7.455
Dryer, Air | 7.455
Filter, Compressor | 7.465
Harness, Wiring | 7.450
Head, Compressor | 7.455
Hose, Filter | 7.465
Link, Sensor | 7.477
Relay, Automatic Level Control | 7.460
Sensor, Automatic Level Control | 7.475
Stud, Sensor Link Ball | 7.477
Switch, Inflator | 7.460
Tube, Air | 7.482
Valve, Air Control Solenoid | 7.465