Ford E-250 Turn Signal Bulb Size

The Ford E-250 front turn signal uses 3157NA, 4157, or 3157 bulb sizes, while rear turn signal applications require 3357, 2456, or 3156 bulb sizes depending on model generation. The replacement chart covers 1975 through 2014 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 Turn Signal

YearsBulb Size
2008-20143157NA (With Halogen Capsule Headlamps)
4157 (With Sealed Beam Headlamps)
2004-20073157
1994-20033157NA
1988-19933157
1985-19871157
19841034NA
1981-19831157NA
19801034NA
19791157NA
1975-19781157

Rear Turn Signal

YearsBulb Size
2004-20143357
20032456
20023156
20012356
20002456
19992356
19983156
1996-19972456
19952356
1992-19942456
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.4157
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. Variant of 1157. 12V, 21/5W.1034NA
ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base, natural amber glass. 12V, 21W/5W.1157NA
ANSI standard (US & Canada). Single-filament wedge bulb (T25). 12V, 27W.3357
ANSI standard (US & Canada). Festoon bulb, specialty application. 12V.2456
ANSI standard (US & Canada). Single-filament wedge bulb (T25). 12V, 27W.3156
ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. 12V.2356

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