GM Service Manual Online
For 1990-2009 cars only

GM SPO Group Numbers

Application

GM SPO Group Number

Headrest Cover - Front Seat

14.800

Lumbar - Front

11.378

Seat Adjuster - Front (Driver)

11.561

Seat Adjuster - Front (Passenger)

11.561

Seat Back - Front

11.377

Seat Back - Rear

11.377

Seat Back Cover - Rear

15.000

Seat Back Recliner - Front

11.377

Seat Cushion - Front

14.896

Seat Cushion - Rear

15.036

Seat Cushion Cover - Front

14.880