Chevrolet Nova Courtesy Bulb Size
The Chevrolet Nova courtesy light utilizes bulb sizes 631, 1003, 89, 562, and 212-2 depending on the specific application. Available information covers the time range from 1969 through 1979.
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 |
|---|---|
| 1978-1979 | 631 |
| 1977 | 1003 |
| 1976 | 89 |
| 1975 | 562 |
| 1973-1974 | 89 |
| 1972 | 212-2 |
| 1969-1971 | 631 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Variant of 1156. 12V, 21W. | 631 |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 21W. | 1003 |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Lower wattage variant of 1156. 12V, 13W. | 89 |
| ANSI standard (US & Canada). Festoon bulb, 44mm length, end-cap contacts. 12V, 12W. | 562 |
| ANSI standard (US & Canada). Festoon bulb, 41mm length, SV8.5 base. 12V, 12W. | 212-2 |