Audi S8 Daytime Running Light Bulb Size
The Audi S8 daytime running light requires a P21W bulb size for the lighting system. Data for the bulb covers the range from 2003 through 2009.
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 |
|---|---|
| 2007-2009 | P21W |
| 2003 | P21W (From VIN 4E-3-000 001) |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ECE standard (Europe & worldwide). Single-filament signalling bulb with BA15s bayonet base. 12V, 21W. | P21W |