Pontiac Firebird Engine Compartment Light Bulb Size

The Pontiac Firebird engine compartment light requires bulb sizes 93, 1003, or P21W depending on the specific version of the component installed in the vehicle. Data for the bulb sizes covers the range from 1967 through 1992.

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

Bulb Size by Year Range

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
19921156P21WCheck Price
19919393Check Price
1983-19841156P21WCheck Price
19829393Check Price
197210031003Check Price
1967-19701156P21WCheck Price

Bulb Specifications

Description Type Shop
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. 12V, 21W.1156Check Price
ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Lower wattage variant of 1156. 12V, 13W.93Check Price
ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 21W.1003Check Price

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