Buick Invicta Automatic Transmission Indicator Bulb Size
The Buick Invicta automatic transmission indicator requires bulb sizes 1816, 257, 53, or 57 depending on the specific application. Data for the listed components covers the period from 1959 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 | 1816 |
| 1962 | 257 |
| 1960-1961 | 53 |
| 1959 | 57 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T3.25). 12V, 4W. | 1816 |
| ANSI standard (US & Canada). Festoon or BA9s base instrument bulb. 12V, 2W. | 257 |
| ANSI standard (US & Canada). Single-filament bulb with BA9s base. 12V, 2W. | 53 |
| ANSI standard (US & Canada). Single-filament bulb with BA9s base. 12V, 1W. | 57 |