Ford F-100 Side Marker Bulb Size

Ford F-100 front side marker bulbs utilize 194, 63 bulb sizes, while rear side marker bulbs use 1895, 194, or 63 bulb sizes depending on production specifications. The replacement chart covers 1953 through 1983 model years with corresponding bulb size data.

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
1972-1983194
1953-195563

Rear Side Marker

YearsBulb Size
19801895
1973-1979194
1953-195563

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 BA9s base. 12V, 0.63W.63
ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 0.9W.1895

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