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
| Years | Bulb Size |
|---|---|
| 1992 | P21W |
| 1991 | 93 |
| 1983-1984 | P21W |
| 1982 | 93 |
| 1972 | 1003 |
| 1967-1970 | P21W |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ECE standard (Europe & worldwide). Single-filament signalling bulb with BA15s bayonet base. 12V, 21W. | P21W |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Lower wattage variant of 1156. 12V, 13W. | 93 |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 21W. | 1003 |