Chevrolet Nomad Automatic Transmission Indicator Bulb Size
The Chevrolet Nomad automatic transmission indicator utilizes bulb sizes 257, 53, and 57 for the specific lighting components. Data for the listed items covers the period from 1955 through 1961.
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 | 257 |
| 1960 | 53 |
| 1955-1957 | 57 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Festoon or BA9s base instrument bulb. 12V, 2W. | 257 |
| ANSI standard (US & Canada). Single-filament bulb with BA9s base. 12V, 2W. | 53 |
| ANSI standard (US & Canada). Single-filament bulb with BA9s base. 12V, 1W. | 57 |