Chevrolet Two-Ten Series Automatic Transmission Indicator Bulb Size
The Chevrolet Two-Ten Series automatic transmission indicator requires bulb size 51 or 57 depending on the specific application. Data for the bulb sizes covers the range from 1953 to 1957.
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 |
|---|---|
| 1955-1957 | 57 |
| 1953-1954 | 51 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Single-filament bulb with BA9s base. 12V, 1W. | 57 |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 2W. | 51 |