Ford F-350 Turn Signal Bulb Size

The Ford F-350 front and rear turn signal bulb sizes include 3157, 1157, 1034NA, and 198 configurations across different model generations. The replacement chart covers 1953 to 1997 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
1988-19973157
1982-19871157
19811034NA
1978-19801157
19771157NA
19761034NA
1973-19751157NA
1969-1972198
1967-19681156
1966199
1964-19651156
1963199
1961-19621073
1958-19601156
1956-19571141
1953-19551129

Rear Turn Signal

YearsBulb Size
1988-19973157
1973-19871157
1969-1972198
1967-19681156
1966199
1958-19651156
1956-19571141
1953-19551129

Bulb Specifications

Description Bulb Size
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). Miniature wedge bulb (T5). 12V, 2W.198
ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 21W.1156
ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Variant of 1156. 12V, 21W.199
ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Lower wattage variant of 1156. 12V, 13W.1073
ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 21W.1141
ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. Variant of 1157. 12V, 21/5W.1129

Other Locations