GMC G3500 Side Marker Bulb Size
The GMC G3500 side marker requires a 194 bulb size for proper installation and function. Data for 194 bulb requirements covers the range from 1995 to 1996.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
Front Side Marker
| Years | Bulb Size |
|---|---|
| 1988-1996 | 194 |
| 1982-1987 | 168 |
| 1981 | 68 |
| 1979-1980 | 168 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3.78W. | 194 |
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 4.9W. | 168 |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 6W. | 68 |