GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 1998 🢒 Riviera 🢒 Body and Accessories 🢒 Lighting Systems 🢒 GM SPO Group Numbers

Application

GM SPO Group Number

Dome Lamp

16.494

Dome Lamp Lens

16.495

Front Park/Turn Signal Lamp

2.585

Headlamp

2.725

Headlamp Switch

2.485