Ford Mustang Turn Signal Bulb Size

Ford Mustang front and rear turn signal bulbs utilize 7443NA, 7444NA, 3157NA, 3157, and 1156 bulb sizes across multiple generations. The replacement chart covers 1964 through 2018 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

If US Type and EU Type show the same value, a direct cross-reference for this bulb is not available or the data is insufficient.

YearsUS TypeEU TypeShop
2017-20187443NAWY21/5WCheck Price
2015-20167444NAWY21/5WCheck Price
20023157NAPY27/7WCheck Price
1989-19983157NAPY27/7WCheck Price
19881157NAP21/5WCheck Price
19872357NAP21/5WCheck Price
1979-19831157P21/5WCheck Price
19731157NAP21/5WCheck Price
19721157P21/5WCheck Price
19711034NA1034NACheck Price
1969-19701157NAP21/5WCheck Price
1964-19681157P21/5WCheck Price

Rear Turn Signal

YearsUS TypeEU TypeShop
20023157P27/7WCheck Price
1994-19983157P27/7WCheck Price
19931156P21WCheck Price
1991-19923157P27/7WCheck Price
19901156NAPY21WCheck Price
1988-19893157P27/7WCheck Price
19871156P21WCheck Price
1979-19831157P21/5WCheck Price
1964-19731157P21/5WCheck Price

Bulb Specifications

Description Type Shop
ANSI standard (US & Canada). Dual-filament wedge bulb (T20), natural amber glass. 12V, 21W/5W.7443NACheck Price
ANSI standard (US & Canada). Dual-filament wedge bulb (T20), natural amber glass. 12V, 21W/5W.7444NACheck Price
ANSI standard (US & Canada). Dual-filament wedge bulb (T25), natural amber glass. 12V, 27W/7W.3157NACheck Price
ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base, natural amber glass. 12V, 21W/5W.1157NACheck Price
ECE standard (Europe & worldwide). Dual-filament signalling bulb with BAY15d bayonet base. 12V, 21W/5W.P21/5WCheck Price
ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base, natural amber glass. 12V, 26.9W/8W.2357NACheck Price
ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. 12V, 21W/5W.1157Check Price
ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base, natural amber glass. Variant of 1157. 12V, 21/5W.1034NACheck Price
ANSI standard (US & Canada). Dual-filament wedge bulb (T25). 12V, 27W/7W.3157Check Price
ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 21W.1156Check Price
ECE standard (Europe & worldwide). Single-filament signalling bulb with BA15s bayonet base. 12V, 21W.P21WCheck Price
ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base, natural amber glass. 12V, 21W.1156NACheck Price
ECE standard (Europe & worldwide). Single-filament amber bulb with BAU15s bayonet base. 12V, 21W.PY21WCheck Price

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