Mercury Commuter Clock Light Bulb Size
The Mercury Commuter clock light requires bulb sizes 57, 257, 1816, and 1895 depending on the specific application. Data for the listed components covers the period 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 |
| 1963-1965 | 1895 |
| 1961-1962 | 257 |
| 57 | |
| 1960 | 57 |
| 1958-1959 | 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). Festoon or BA9s base instrument bulb. 12V, 2W. | 257 |
| ANSI standard (US & Canada). Single-filament bulb with BA9s base. 12V, 1W. | 57 |