GMC R3500 Tail Light Bulb Size
The GMC R3500 tail light requires bulb sizes 2057 and 3057 depending on the specific version of the vehicle. Data for the bulb sizes covers the range from 1987 to 1991.
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 |
|---|---|
| 1990-1991 | 3057 |
| 1987-1989 | 2057 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Dual-filament wedge bulb (T25). 12V, 27W/7W. | 3057 |
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. Brighter variant of 1157. 12V, 26.9W/8W. | 2057 |