Buick Regal Daytime Running Light Bulb Size
The Buick Regal daytime running light requires bulb size 7443 or H11 depending on the specific vehicle configuration. Data provided covers the range from 2011 through 2017.
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 |
|---|---|
| 2014-2017 | 7443 (With Halogen Capsule Headlamps) |
| 2011-2013 | H11 (With Halogen Capsule Headlamps) |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Dual-filament wedge bulb (T20). 12V, 21W/5W. | 7443 |
| ECE standard (Europe & worldwide). Single-filament halogen bulb with PGJ19-2 base. Also approved in the US. 12V, 55W. | H11 |