Oldsmobile Silhouette front and rear side marker bulbs utilize 194 and 3057 bulb sizes, with front markers requiring 194 or 194NA bulbs and rear markers using either 3057 or 194 bulbs. The replacement chart covers 1990 to 2004 production years with corresponding bulb size specifications.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.