GM Service Manual Online
For 1990-2009 cars only

GM SPO Group Numbers

Application

GM SPO Group Number

Assist Handle (Grip)

16.346

Body Hinge Pillar Trim Panel (Front Lower)

16.578

Center Pillar Lower Trim

16.575

Center Pillar Upper Trim

16.575

Dash Front Insulator

15.280

Dash Panel Insulator

12.804 or 16.802

Dash Panel Lower Insulator

16.802

Dash Panel Upper Insulator

16.802

Floor Front Center Insulator

12.980

Floor Front Insulator

16.800

Floor Insulator

12.980 or 16.800

Floor Panel Center Insulator (Rear)

12.980

Floor Rear Carpet

16.850

Front Floor Auxiliary Mat

16.800

Front Floor Foot Rest

16.545

Front Floor Panel Carpet

16.850

Front Floor Panel Center Rear Insulator

16.800

Front Side Door Sill Trim Plate

16.603

Headlining Trim Finish Panel

16.742

Jack Storage Cover

8.820

Quarter Inner Lower Panel Insulator

12.941

Quarter Inner Upper Panel Insulator

15.100

Quarter Lower Rear Trim Panel

16.575

Quarter Upper Trim Panel (Rear)

16.575

Rear Floor Auxiliary Mat

16.800

Rear Floor Insulator

12.980 or 16.800

Rear Floor Panel Rear Insulator

12.980

Rear Floor Rear Trim Plate

16.603

Rear Seat Shoulder Belt Guide Bracket Cover

16.714

Rear Side Door Sill Trim Plate

16.603

Roof Panel Trim

16.742

Spare Wheel Pocket Insulator

12.981

Windshield Side Garnish Molding (Front Upper)

16.742