Audi A3 Tail Light Bulb Size
The Audi A3 tail light bulb size chart specifies replacement bulbs including 12961, 921, P21W, and 7506 sizes for inner, outer, and standard tail light applications. The replacement chart covers vehicle production years from 2006 to 2024 with corresponding bulb size specifications.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
Inner Tail Light
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 |
|---|---|---|---|
| 2023-2024 | 12961 | 12961 | Check Price |
| 2019-2021 | 921 | W16W | Check Price |
Outer Tail Light
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 |
Tail Light
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 |
|---|---|---|---|
| 2020 | 921 | W16W | Check Price |
| 2019 | 7440 | W21W | Check Price |
| 2017-2018 | 921 | W16W | Check Price |
| 2014-2016 | 921 (With Halogen Capsule Headlamps) | W16W | Check Price |
| 2006-2013 | 7506 | 7506 | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| Philips part number. Miniature wedge bulb (T10) with W2.1x9.5d base. 12V, 5W. | 12961 | Check Price |
| 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 |
| ANSI standard (US & Canada). Single-filament wedge bulb (T20). 12V, 21W. | 7440 | Check Price |