Chevrolet Nomad Clock Light Bulb Size
The Chevrolet Nomad clock light bulb utilizes 3 distinct sizes: 1816, 57, and 257. A replacement chart documents specifications across the 1955 to 1961 production years.
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 |
|---|---|
| 1961 | 1816 |
| 1959-1960 | 257 |
| 57 | |
| 1958 | 57 |
| 1955-1957 | 67 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| 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 |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Lower wattage variant of 1156. 12V, 8W. | 67 |