Mercury Montclair Clock Light Bulb Size
The Mercury Montclair clock light requires bulb sizes 1895, 1816, 57, and 257 depending on the specific application. Available data for the bulb sizes covers the range from 1958 to 1968.
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 |
|---|---|
| 1967-1968 | 1895 |
| 1966 | 1816 |
| 1964-1965 | 1895 |
| 1959-1960 | 57 |
| 1958 | 257 |
| 57 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 0.9W. | 1895 |
| ANSI standard (US & Canada). Miniature wedge bulb (T3.25). 12V, 4W. | 1816 |
| ANSI standard (US & Canada). Single-filament bulb with BA9s base. 12V, 1W. | 57 |
| ANSI standard (US & Canada). Festoon or BA9s base instrument bulb. 12V, 2W. | 257 |