GMC Truck Parking Light Bulb Size
The GMC Truck parking light utilizes bulb size 63 and bulb size 67 for illumination. Data for the specified lighting components covers the period from 1950 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 Type | Shop |
|---|---|---|
| 1956-1957 | 67 | Check Price |
| 1950-1955 | 63 | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Lower wattage variant of 1156. 12V, 8W. | 67 | Check Price |
| ANSI standard (US & Canada). Single-filament bulb with BA9s base. 12V, 0.63W. | 63 | Check Price |