GM Service Manual Online
For 1990-2009 cars only

GM SPO Group Numbers

Application

GM SPO Group Number

Brake Master Cylinder

4.650

Brake Pad Kit

5.017

Front and Rear Wheel Brake Rotor

5.809

Front Brake Bleeder Screw or Bolt Cover

4.666

Front Caliper Hardware Kit

5.019

Wheel Brake Cylinder or Caliper Bolt, Bolt Kit, Bracket, Bushing Kit, Caliper and Pin Assembly

4.665

Wheel Brake Cylinder or Caliper Cover

4.666

Wheel Cylinder or Caliper Piston

4.668

Wheel Cylinder Piston Caliper Kit

4.667