GMC 370 Instrument Panel Bulb Size
The GMC 370 instrument panel utilizes bulb sizes 257, 57, and 1896 for various applications within the dashboard assembly. Data for the specified components covers the period from 1951 through 1959.
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 |
|---|---|
| 1958-1959 | 257 |
| 1956-1957 | 57 |
| 1951-1955 | 1896 |
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, 1W. | 57 |
| ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 0.9W. | 1896 |