Application  | GM SPO Group Number  | 
|---|---|
Exhaust Manifold Hanger  | 3.704  | 
Exhaust Manifold Pipe  | 3.609  | 
Exhaust Manifold Pipe Gasket  | 3.611  | 
Exhaust Muffler (w/Exhaust Pipe and Tailpipe)  | 3.701  | 
Heated Oxygen Sensor  | 3.682  | 
Three-Way Catalytic Converter (w/Exhaust Manifold Pipe)  | 3.685  |