Buick Invicta Courtesy Bulb Size
The Buick Invicta courtesy light utilizes bulb size 90 and bulb size 68 for interior illumination. Data for the specified lighting components covers the period from 1961 to 1963.
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 | 90 |
| 1961-1962 | 68 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 13W. | 90 |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 6W. | 68 |