Buick Reatta Trunk Bulb Size
The Buick Reatta trunk light requires a 1003 bulb size for proper illumination and function within the rear storage compartment. Data for the specified component covers the period from 1988 through 1991.
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 Type | Shop |
|---|---|---|
| 1988-1991 | 1003 | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 21W. | 1003 | Check Price |