Chevrolet Parkwood Turn Signal Indicator Bulb Size
The Chevrolet Parkwood turn signal indicator utilizes bulb size 57 and bulb size 257 for the lighting system. Data for the specific bulbs covers the range from 1959 to 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 | 57 |
| 1959-1960 | 257 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Single-filament bulb with BA9s base. 12V, 1W. | 57 |
| ANSI standard (US & Canada). Festoon or BA9s base instrument bulb. 12V, 2W. | 257 |