GM Service Manual Online
For 1990-2009 cars only

Application

GM SPO Group Number

Catalytic Converter Heat Shield

3.690

Exhaust Heat Shield

3.705

Exhaust Muffler

3.701

Exhaust Muffler Heat Shield

3.705

Exhaust Pipe

3.609

Exhaust Pipe Heat Shield

3.616

Exhaust Tail Pipe Extension

3.705

Heated Oxygen Sensor

3.682

Oxidation Catalytic Converter

3.682

Three Way Catalytic Converter (With Exhaust Manifold Pipe)

3.685