Chevrolet Impala Radio Display Bulb Size
The Chevrolet Impala radio display utilizes unique bulb sizes 73, 194, 1893, 1816, and 1891 across various production versions. Available data covers the range of 1958 through 1985 for the specified components.
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 |
|---|---|
| 1985 | 73 |
| 1983-1984 | 194 |
| 1982 | 73 |
| 1981 | 1893 |
| 1979-1980 | 194 |
| 1978 | 1893 |
| 1972-1977 | 1816 |
| 1964-1971 | 1893 |
| 1958-1963 | 1891 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 1.4W. | 73 |
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3.78W. | 194 |
| ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 2W. | 1893 |
| ANSI standard (US & Canada). Miniature wedge bulb (T3.25). 12V, 4W. | 1816 |
| ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 2W. | 1891 |