Audi S4 Parking Light Bulb Size
The Audi S4 parking light bulb accommodates 3 distinct sizes: PY21W, 12961, and H6W. A replacement chart documents bulb specifications across 1992 to 2009 model years.
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 |
|---|---|
| 2009 | PY21W |
| 2007-2008 | 12961 |
| 2000 | H6W |
| 1992-1994 | P21/5W |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ECE standard (Europe & worldwide). Single-filament amber bulb with BAU15s bayonet base. 12V, 21W. | PY21W |
| Philips part number. Miniature wedge bulb (T10) with W2.1x9.5d base. 12V, 5W. | 12961 |
| ECE standard (Europe & worldwide). Single-filament signalling bulb with BAX9s base. 12V, 6W. | H6W |
| ECE standard (Europe & worldwide). Dual-filament signalling bulb with BAY15d bayonet base. 12V, 21W/5W. | P21/5W |