GMC G1000 Series Brake Bulb Size
The GMC G1000 Series brake light utilizes a 1034 bulb size for illumination across all listed vehicle applications. Data for the specified component covers the period from 1963 through 1966.
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 |
|---|---|
| 1963-1966 | 1034 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. Variant of 1157. 12V, 21/5W. | 1034 |