For 1990-2009 cars

#### GM SPO Group Numbers

Application | GM SPO Group Number
--- | ---
Rear Window Washer Nozzle | 12.188
Rear Window Washer Pump | 12.188
Rear Window Wiper Arm | 12.188
Rear Window Wiper Blade | 12.188
Rear Window Wiper Insert | 12.188
Rear Window Wiper Motor | 12.188
Windshield Washer Nozzle | 10.156
Windshield Washer Pump | 10.153
Windshield Washer Solvent Container | 10.154
Windshield Wiper and Washer Motor | 10.150
Windshield Wiper Arm | 10.147
Windshield Wiper Blade | 10.146
Windshield Wiper Insert | 10.146
Windshield Wiper Transmission | 10.159