Audi A4 Brake Bulb Size
The Audi A4 brake components utilize P21W and P21/5W bulb sizes for various lighting applications across the different production versions listed in the provided data set. Available information covers a specific range of time starting from 1996 and ending in 2020.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
Brake
| Years | US Type | EU Type | Shop |
|---|---|---|---|
| 2020 | 1156 | P21W | Check Price |
| 2017-2018 | 1156 | P21W | Check Price |
| 2015 | 1156 (For Vehicle With LED Taillights) | P21W | Check Price |
| 2009-2014 | 1156 (With Halogen Capsule Headlamps) | P21W | Check Price |
| 2007-2008 | 1156 | P21W | Check Price |
| 1999-2002 | 1157 | P21/5W | Check Price |
| 1996-1997 | 1157 | P21/5W | Check Price |
Center High Mount Stop Light
| Years | Bulb Type | Shop |
|---|---|---|
| 2000-2001 | 2723 | Check Price |
| 1999 | 12961 | Check Price |
| 1996-1997 | 12961 | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| ECE standard (Europe & worldwide). Single-filament signalling bulb with BA15s bayonet base. 12V, 21W. | P21W | Check Price |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 21W. | 1156 | Check Price |
| ECE standard (Europe & worldwide). Dual-filament signalling bulb with BAY15d bayonet base. 12V, 21W/5W. | P21/5W | Check Price |
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. 12V, 21W/5W. | 1157 | Check Price |
| ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 1.4W. | 2723 | Check Price |
| Philips part number. Miniature wedge bulb (T10) with W2.1x9.5d base. 12V, 5W. | 12961 | Check Price |