Mercury Custom Map Light Bulb Size
The Mercury Custom map light requires a bulb size of 81 for the interior lighting system. Data for the specified component covers the period from 1953 through 1955.
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 Type | Shop |
|---|---|---|
| 1953-1955 | 81 | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 8W. | 81 | Check Price |