Buick Regal Trunk Bulb Size
The Buick Regal trunk utilizes unique bulb sizes 12961, 920, 1003, 912, and 89 for various lighting components. Available data covers the range of 1973 through 2017 for the specified vehicle lighting requirements.
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 |
|---|---|
| 2011-2017 | 12961 |
| 1997-2004 | 920 |
| 1989-1990 | 1003 |
| 1988 | 912 |
| 1978-1987 | 1003 |
| 1973-1976 | 89 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| Philips part number. Miniature wedge bulb (T10) with W2.1x9.5d base. 12V, 5W. | 12961 |
| ANSI standard (US & Canada). Wedge bulb (T15). 12V, 16W. | 920 |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 21W. | 1003 |
| ANSI standard (US & Canada). Wedge bulb (T15). Variant of 921. 12V, 12W. | 912 |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Lower wattage variant of 1156. 12V, 13W. | 89 |