Buick Riviera Automatic Transmission Indicator Bulb Size
The Buick Riviera automatic transmission indicator requires bulb sizes 194, 192, 1893, 53, and 1816. Available data for the specified components covers the range from 1963 to 1992.
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 |
|---|---|
| 1991-1992 | 194 |
| 1985-1989 | 194 |
| 1979 | 194 |
| 1977 | 192 |
| 1971 | 1893 |
| 1970 | 194 |
| 1969 | 53 |
| 1966-1968 | 1893 |
| 1965 | 1816 |
| 1963-1964 | 194 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3.78W. | 194 |
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3W. | 192 |
| ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 2W. | 1893 |
| ANSI standard (US & Canada). Single-filament bulb with BA9s base. 12V, 2W. | 53 |
| ANSI standard (US & Canada). Miniature wedge bulb (T3.25). 12V, 4W. | 1816 |