Buick Cascada Brake Bulb Size
The Buick Cascada brake light utilizes a P21W bulb size for the lighting system. Data for the specified vehicle covers the range from 2016 through 2019.
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 |
|---|---|
| 2016-2019 | P21W |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ECE standard (Europe & worldwide). Single-filament signalling bulb with BA15s bayonet base. 12V, 21W. | P21W |