Buick Estate Wagon Turn Signal Bulb Size

The Buick Estate Wagon front and rear turn signal bulb sizes include 2057NA, 1157NA, 1034NA, 2057, 1157, and P21W across various production configurations. The replacement chart covers 1959 to 1983 model 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
19832057NA
1981-19821157NA
1979-19801034NA
1974-19781157NA
1972-19731034NA
1970-19711157NA
19641034NA
1959-19631034

Rear Turn Signal

YearsBulb Size
19832057
19821157
1981P21W
1970-19801157
19641157
1959-19631034

Bulb Specifications

Description Bulb Size
ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base, natural amber glass. Brighter variant of 1157. 12V, 26.9W/8W.2057NA
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. Variant of 1157. 12V, 21/5W.1034
ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. Brighter variant of 1157. 12V, 26.9W/8W.2057
ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. 12V, 21W/5W.1157
ECE standard (Europe & worldwide). Single-filament signalling bulb with BA15s bayonet base. 12V, 21W.P21W

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