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
| Years | Bulb Size |
|---|---|
| 2023-2024 | 12961 |
| 2019-2021 | 921 |
Outer Tail Light
| Years | Bulb Size |
|---|---|
| 2022-2024 | P21W |
| 2020-2021 | 7506 |
| 2019 | 7506 (Without special body measures, standard tail assembly) |
Tail Light
| Years | Bulb Size |
|---|---|
| 2020 | 921 |
| 2019 | 7440 |
| 2017-2018 | 921 |
| 2014-2016 | 921 (With Halogen Capsule Headlamps) |
| 2006-2013 | 7506 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| Philips part number. Miniature wedge bulb (T10) with W2.1x9.5d base. 12V, 5W. | 12961 |
| ANSI standard (US & Canada). Wedge bulb (T15). 12V, 16W. | 921 |
| ECE standard (Europe & worldwide). Single-filament signalling bulb with BA15s bayonet base. 12V, 21W. | P21W |
| ANSI standard (US & Canada). Single-filament wedge bulb (T20). 12V, 21W. | 7440 |