Ford E-350 Turn Signal Bulb Size

The Ford E-350 front turn signal uses 3157NA, 3157, or 1157 bulb sizes, while the rear turn signal requires 2356, 2456, or 3156 bulb sizes. The replacement chart covers 1975 to 1998 model years with corresponding bulb size specifications for each production period.

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
1994-19983157NA
1988-19933157
1985-19871157
19841157NA
19831034NA
19821157NA
1980-19811034NA
19791157NA
1975-19781157

Rear Turn Signal

YearsBulb Size
19982356
19972456
19963156
19952356
19942456
19932356
19923156
1975-19911157

Bulb Specifications

Description Bulb Size
ANSI standard (US & Canada). Dual-filament wedge bulb (T25), natural amber glass. 12V, 27W/7W.3157NA
ANSI standard (US & Canada). Dual-filament wedge bulb (T25). 12V, 27W/7W.3157
ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. 12V, 21W/5W.1157
ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base, natural amber glass. 12V, 21W/5W.1157NA
ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base, natural amber glass. Variant of 1157. 12V, 21/5W.1034NA
ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. 12V.2356
ANSI standard (US & Canada). Festoon bulb, specialty application. 12V.2456
ANSI standard (US & Canada). Single-filament wedge bulb (T25). 12V, 27W.3156

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