For 1990-2009 cars

Application | GM SPO Group Number
--- | ---
Battery Positive & Negative Cable | 02.342
Drive Belt Tensioner | 01.060
Electric Ignition Control Module (EI ICM)(w/ or w/o Coil) | 02.383
Engine Wiring Harness | 02.525
Generator | 02.275
Generator Brace | 02.277
Starter Armature | 02.043
Starter Commutator End Frame | 02.067
Starter Drive | 02.086
Starter Drive Housing | 02.085
Starter Frame (w/Field) | 02.049
Starter Motor | 02.041
Starter Shift Lever | 02.108
Starter Shift Lever Shaft | 02.108
Starter Solenoid Switch | 02.100
Starter Solenoid Switch Plunger | 02.113