Audi A3 Brake Bulb Size
Audi A3 brake bulb sizes include 921 and 7506 for inner positions, with P21W and 7506 specifications for outer brake applications. The replacement chart covers vehicle production years spanning 2006 to 2024 with corresponding bulb size data.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
Brake
If US Type and EU Type show the same value, a direct cross-reference for this bulb is not available or the data is insufficient.
| Years | US Type | EU Type | Shop |
|---|---|---|---|
| 2017-2021 | 921 | W16W | Check Price |
| 2014-2016 | 921 (With Halogen Capsule Headlamps) | W16W | Check Price |
| 2006-2013 | 7506 | 7506 | Check Price |
Outer Brake
If US Type and EU Type show the same value, a direct cross-reference for this bulb is not available or the data is insufficient.
| Years | US Type | EU Type | Shop |
|---|---|---|---|
| 2022-2024 | 1156 | P21W | Check Price |
| 2020-2021 | 7506 | 7506 | Check Price |
| 2019 | 7506 (Without special body measures, standard tail assembly) | 7506 | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| ANSI standard (US & Canada). Wedge bulb (T15). 12V, 16W. | 921 | Check Price |
| 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 |