GM Service Manual Online
For 1990-2009 cars only

Application

GM SPO Group Number

Brake Cylinder and Hydraulic Line, Clip and Spacer

4.685

Brake Hose Bolt

4.671

Brake Master Cylinder Kit

4.649

Brake Master Cylinder Secondary Piston

4.653

Brake Pedal

4.625

Brake Pedal Nut

4.634

Master Cylinder Adjusting Nut and Retainer

4.662

Power Hydraulic Brake Booster Gasket

4.805

Power Vacuum Brake Booster

4.901

Wheel Brake Hose

4.680