GMC FM340 Instrument Panel Bulb Size
The GMC FM340 instrument panel utilizes bulb sizes 57 and 1896 for the internal lighting components. Data for the specified vehicle covers the range from 1955 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 Type | Shop |
|---|---|---|
| 1956-1957 | 57 | Check Price |
| 1955 | 1896 | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| ANSI standard (US & Canada). Single-filament bulb with BA9s base. 12V, 1W. | 57 | Check Price |
| ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 0.9W. | 1896 | Check Price |