Mercury Custom Dome Light Bulb Size
The Mercury Custom dome light requires bulb size 1003 or 63 depending on the specific application for the interior lighting fixture. Data for the bulb sizes covers the range from 1952 to 1956.
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 |
|---|---|---|
| 1956 | 1003 | Check Price |
| 1952-1955 | 63 | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 21W. | 1003 | Check Price |
| ANSI standard (US & Canada). Single-filament bulb with BA9s base. 12V, 0.63W. | 63 | Check Price |