GM Service Manual Online
For 1990-2009 cars only

GM SPO Group Numbers

Application

GM SPO Group Number

Fuel Filler Door with Hinge

12.945

Rear Lift Window Panel

12.181

Rear Lift Window Panel Striker

12.237

Rear Lift Window Panel Strut

12.187

Rear Lift Window Panel Weatherstrips

12.269

Rear Stowage Compartment Lid

12.181

Rear Stowage Compartment Lid Hinge

12.184

Rear Stowage Compartment Lid Latch

12.242

Rear Stowage Compartment Lid Striker

12.237

Rear Stowage Compartment Lid Strut

12.187

Wheelhouse Liner

12.944