Mercury Montclair Radio Display Bulb Size
The Mercury Montclair radio display utilizes bulb sizes 1893, 1892, 1891, and 257 depending on the specific application. Data for the radio display 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 | 1893 |
| 1966 | 1892 |
| 1964-1965 | 1891 |
| 1959-1960 | 1892 |
| 1958 | 257 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 2W. | 1893 |
| ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 3W. | 1892 |
| ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 2W. | 1891 |
| ANSI standard (US & Canada). Festoon or BA9s base instrument bulb. 12V, 2W. | 257 |