Ford Prefect Turn Signal Bulb Size

Ford Prefect front and rear turn signal bulbs utilize 1034 or 1154 size specifications. The replacement chart covers 1950 through 1957 production 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 Turn Signal

YearsBulb Size
1956-19571034
1950-19551154

Rear Turn Signal

YearsBulb Size
1956-19571034
1950-19551154

Bulb Specifications

Description Bulb Size
ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. Variant of 1157. 12V, 21/5W.1034
ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. Older variant of 1157. 6V/12V.1154

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