Buick Estate Wagon Courtesy Bulb Size
The Buick Estate Wagon courtesy light utilizes bulb sizes 168, 562, 194, 631, 89, 212-2, 90, and 68 across various production periods. Available data covers a span from 1961 through 1983.
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 |
|---|---|
| 1983 | 168 |
| 1981-1982 | 562 |
| 1980 | 194 |
| 1979 | 631 |
| 1978 | 194 |
| 1976-1977 | 89 |
| 1975 | 212-2 |
| 1974 | 89 |
| 1973 | 212-2 |
| 1972 | 90 |
| 1971 | 194 |
| 1970 | 89 |
| 1963-1964 | 90 |
| 1961-1962 | 68 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 4.9W. | 168 |
| ANSI standard (US & Canada). Festoon bulb, 44mm length, end-cap contacts. 12V, 12W. | 562 |
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3.78W. | 194 |
| 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. Lower wattage variant of 1156. 12V, 13W. | 89 |
| ANSI standard (US & Canada). Festoon bulb, 41mm length, SV8.5 base. 12V, 12W. | 212-2 |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 13W. | 90 |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 6W. | 68 |