Porsche Boxster Turn Signal Bulb Size
Porsche Boxster front and rear turn signal bulbs utilize PY21W, 12496, and P21W sizes depending on generation and location. The replacement chart covers 1997 through 2016 model years 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.
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 |
|---|---|---|---|
| 2013-2016 | 7507 | PY21W | Check Price |
| 2007-2012 | 12496 | 12496 | Check Price |
| 2005-2006 | 7507 | PY21W | Check Price |
| 1997-2004 | 1156 | P21W | 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 |
|---|---|---|---|
| 2009-2012 | 12185 | 12185 | Check Price |
| 2008 | 12496 | 12496 | Check Price |
| 2006-2007 | 7507 | PY21W | Check Price |
| 2004-2005 | 12496 | 12496 | Check Price |
| 2002-2003 | 7507 | PY21W | Check Price |
| 2001 | 12496 | 12496 | Check Price |
| 1999-2000 | 7507 | PY21W | Check Price |
| 1997-1998 | 1156 | P21W | 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 |
| 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 |
| Philips part number. Halogen bulb, specialty application. 12V. | 12185 | Check Price |