GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 1997 🢒 Riviera 🢒 Engine 🢒 Engine Exhaust 🢒 GM SPO Group Numbers

GM SPO Group Numbers for Buick Riviera 1997

Application

GM SPO Group Number

Exhaust Manifold Front Pipe

3.609

Exhaust Pipe

3.609

Exhaust Manifold Rear Pipe

3.609

Exhaust Muffler

3.701

Exhaust Resonator

3.702

Three Way Catalytic Converter

3.685