Buick Sportwagon Side Marker Bulb Size

The Buick Sportwagon front side marker requires a 194, 97, or 194NA bulb size, while the rear side marker uses a 194 or 1157 bulb size. The replacement chart covers 1968 through 1972 vehicle 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.

Front Side Marker

YearsBulb Size
1972194
197197
1968-1970194NA

Rear Side Marker

YearsBulb Size
1972194
19711157
1968-1970194

Bulb Specifications

Description Bulb Size
ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3.78W.194
ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Variant of 1156. 12V, 13W.97
ANSI standard (US & Canada). Miniature wedge bulb (T10), natural amber glass. 12V, 3.78W.194NA
ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. 12V, 21W/5W.1157

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