Mercury Commuter Engine Compartment Light Bulb Size
The Mercury Commuter engine compartment light requires bulb sizes 631, 93, or P21W depending on the specific application and component requirements for the vehicle. Available information covers the production range from 1957 through 1968 for the listed automotive lighting specifications.
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.
| Years | US Type | EU Type | Shop |
|---|---|---|---|
| 1968 | 631 | 631 | Check Price |
| 1966-1967 | 1156 | P21W | Check Price |
| 1965 | 93 | 93 | Check Price |
| 1962-1964 | 1156 | P21W | Check Price |
| 1959-1960 | 1156 | P21W | Check Price |
| 1957-1958 | 93 | 93 | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Variant of 1156. 12V, 21W. | 631 | Check Price |
| ECE standard (Europe & worldwide). Single-filament signalling bulb with BA15s bayonet base. 12V, 21W. | P21W | Check Price |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 21W. | 1156 | Check Price |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Lower wattage variant of 1156. 12V, 13W. | 93 | Check Price |