Porsche Cayenne Turn Signal Bulb Size

Porsche Cayenne front inner turn signal bulbs use PY21W size, while front turn signals require 12496 or PY21W bulbs, and rear turn signals use P21W bulbs. The replacement chart covers 2003 to 2010 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.