GM Service Manual Online
For 1990-2009 cars only

GM SPO Group Numbers

Application

GM SPO Group Number

Fuel Tank Filler Door

12.945

Rear Compartment Lid

12.181

Rear Compartment Lid or Tail Gate Lock Cylinder

12.242

Rear Compartment Plate

15.222

Rear Compartment Spoiler

12.181

Weather-strip (Rear Compartment Lid Or Tail Gate

12.269