For 1990-2009 cars

Application | GM SPO Group Number
--- | ---
Battery Insulator | 2.333
Battery Negative Cable | 2.341
Battery Positive Cable | 2.342
Battery Positive Cable and Engine Wiring Harness Terminal Cover | 2.343
Battery Tray | 2.333
Engine Ground Strap | 2.341
Engine Wiring Harness | 2.525
Generator | 2.275
Generator BAT Terminal | 2.313
Generator Brush Kit | 2.291
Generator Capacitor | 2.319
Generator Drive End Frame | 2.305
Generator Fan | 2.274
Generator Pulley | 2.274
Generator Rectifier Bridge | 2.319
Generator Rectifier Bridge Connector | 2.313
Generator Regulator | 2.500
Generator Rotor | 2.279
Generator Slip Ring End Frame | 2.297
Generator Stator | 2.310
Ignition Coil | 2.170
Knock Sensor | 2.383
Spark Plug | 2.270
Starter Motor | 2.041