Chevrolet Impala Brake Bulb Size

The Chevrolet Impala brake components utilize 7443, 3057, 2057, 1157, and 1034 bulb sizes depending on the specific production period. Provided information covers the range from 1958 through 2020.

The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.

Brake

YearsBulb Size
2014-20207443
2000-20133057
1994-19962057
1983-19852057
1964-19821157
1958-19631034

Center High Mount Stop Light

YearsBulb Size
2000-20011156
1994-19962357

Bulb Specifications

Description Bulb Size
ANSI standard (US & Canada). Dual-filament wedge bulb (T20). 12V, 21W/5W.7443
ANSI standard (US & Canada). Dual-filament wedge bulb (T25). 12V, 27W/7W.3057
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
ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. Variant of 1157. 12V, 21/5W.1034
ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 21W.1156
ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. Brighter variant of 1157. 12V, 26.9W/8W.2357

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