Audi A3 Turn Signal Bulb Size
The Audi A3 front inner turn signal, front turn signal, and rear turn signal bulbs utilize PY21W size specifications across multiple part numbers including 12496, 12174NA, 12188, 921, and 232. The replacement chart covers 2006 through 2024 model years with corresponding bulb size data for each signal location.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
Front Inner Turn Signal
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 |
|---|---|---|---|
| 2008 | 7507 | PY21W | Check Price |
| 2006-2007 | 12496 | 12496 | Check Price |
Front Turn Signal
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 | 7507 | PY21W | Check Price |
| 2017-2021 | 12174NA (With HID Headlamps) | 12174NA | Check Price |
| 2014-2016 | 12174NA | 12174NA | Check Price |
| 2009-2013 | 12188 | 12188 | Check Price |
Rear Turn Signal
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 | 7507 | PY21W | Check Price |
| 2020 | 7507 | 7507 | Check Price |
| 2017-2018 | 7507 | 7507 | Check Price |
| 2014-2016 | 7507 (With Halogen Capsule Headlamps) | 7507 | Check Price |
| 2009-2013 | 7507 | 7507 | Check Price |
| 2006-2008 | 7506 | 7506 | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| ECE standard (Europe & worldwide). Single-filament amber bulb with BAU15s bayonet base. 12V, 21W. | PY21W | Check Price |
| Philips/Osram part number. Halogen bulb, specialty application. 12V. | 12496 | Check Price |
| OEM part number. Natural amber glass variant. 12V. | 12174NA | Check Price |
| Philips part number. Halogen bulb, specialty application. 12V. | 12188 | Check Price |