Buick Roadmaster Radio Display Bulb Size
The Buick Roadmaster radio display requires bulb size 37 or bulb size 1891 depending on the specific application. Data for the bulb sizes covers the range from 1958 to 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 Size |
|---|---|
| 1991 | 37 |
| 1958 | 1891 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 1W. | 37 |
| ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 2W. | 1891 |