Pontiac Chieftain Engine Compartment Light Bulb Size
The Pontiac Chieftain engine compartment light requires bulb size 93 or P21W depending on the specific application for the vehicle. Available data covers the range from 1955 to 1958.
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 |
|---|---|
| 1958 | P21W |
| 1955-1957 | 93 |
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 |