GMC M300 Instrument Panel Bulb Size
The GMC M300 instrument panel utilizes bulb size 57 and bulb size 1896 for illumination across various interior components. Data for the specified lighting components covers the range from 1954 through 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 |
|---|---|
| 1956-1957 | 57 |
| 1954-1955 | 1896 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| 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 |