GM Service Manual Online
For 1990-2009 cars only

GM SPO Group Numbers

Application

GM SPO Group Number

Rear Window Washer Nozzle

16.480

Rear Window Washer Nozzle Hose

12.188 or 16.480

Rear Window Washer Pump

12.188

Rear Window Wiper Arm

16.480

Rear Window Wiper Blade

16.480

Rear Window Wiper Insert

16.480

Rear Window Wiper Motor

16.480

Windshield Washer Nozzle

16.065

Windshield Washer Nozzle Hose

10.155 or 16.065

Windshield Washer Pump

10.153

Windshield Washer Solvent Container

16.065

Windshield Wiper Arm

16.063

Windshield Wiper Blade

16.062

Windshield Wiper Insert

16.062

Windshield Wiper Motor

16.064

Windshield Wiper Motor Linkage

16.063