For 1990-2009 cars

Application | GM SPO Group Number
--- | ---
Battery | 21.271B
Battery Tray | 02.333
Distributor | 02.361
Engine Wiring Harness | 02.525
Generator | 02.275
Generator Brace | 07.039
Ignition Coil | 02.170
Ignition Coil Wiring Harness | 02.240
Negative Battery Cable | 02.341
Positive Battery Cable | 02.342
Starter Armature | 02.043
Starter Commutator End Frame | 02.067
Starter Drive | 02.086
Starter Drive Ground Shield | 02.085
Starter Drive Housing | 02.085
Starter Frame (w/Field) | 02.049
Starter Motor | 02.041
Starter Shield | 02.042
Starter Shift Lever | 02.108
Starter Solenoid Switch Plunger | 02.113