Buick Regal Engine Compartment Light Bulb Size
The Buick Regal engine compartment light uses bulb sizes 561, 89, and 1004 depending on the specific version of the vehicle. Available data covers the range from 1976 through 2004.
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 |
|---|---|
| 1997-2004 | 561 |
| 1988-1990 | 561 |
| 1984-1987 | 89 |
| 1982 | 1004 |
| 1976-1980 | 1004 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Festoon bulb, 44mm length, end-cap contacts. 12V, 12W. | 561 |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Lower wattage variant of 1156. 12V, 13W. | 89 |
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. Variant of 1157. 12V, 21/5W. | 1004 |