Chevrolet Impala Automatic Transmission Indicator Bulb Size
The Chevrolet Impala automatic transmission indicator requires bulb sizes PC161, PC195, 168, 1445, 194, 1895, 57, 257, and 53 depending on the specific vehicle production period. Available data for the components covers a span from 1960 through 1996.
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 |
|---|---|
| 1995-1996 | PC161 |
| 1994 | PC195 |
| 1981-1982 | 168 |
| 1972-1973 | 1445 |
| 1971 | 194 |
| 1970 | 1895 |
| 1968-1969 | 194 |
| 1964-1967 | 1895 |
| 1962-1963 | 57 |
| 1961 | 257 |
| 1960 | 53 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T10) with printed circuit board twist-lock socket, for instrument clusters. 12V. | PC161 |
| ANSI standard (US & Canada). Miniature wedge bulb (T10) with printed circuit board twist-lock socket, for instrument clusters. 12V. | PC195 |
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 4.9W. | 168 |
| ANSI standard (US & Canada). Single-filament bulb with BA9s base. 12V, 2W. | 1445 |
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3.78W. | 194 |
| ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 0.9W. | 1895 |
| ANSI standard (US & Canada). Single-filament bulb with BA9s base. 12V, 1W. | 57 |
| 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 |