Porsche Cayman Turn Signal Bulb Size

Porsche Cayman front inner turn signal bulbs use P21W size, while front turn signals require PY21W or 12496 bulbs, and rear turn signals accommodate 12185, 12496, or PY21W bulbs. The replacement chart covers 2006 to 2016 model years with corresponding bulb size specifications 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

YearsUS TypeEU TypeShop
2006-20081156P21WCheck 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.

YearsUS TypeEU TypeShop
2014-20167507PY21WCheck Price
2011-20127507PY21WCheck Price
2009-20101249612496Check Price
2006-20087507PY21WCheck 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.

YearsUS TypeEU TypeShop
2009-20121218512185Check Price
2007-20081249612496Check Price
20067507PY21WCheck Price

Bulb Specifications

Description Type Shop
ECE standard (Europe & worldwide). Single-filament signalling bulb with BA15s bayonet base. 12V, 21W.P21WCheck Price
ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 21W.1156Check Price
ECE standard (Europe & worldwide). Single-filament amber bulb with BAU15s bayonet base. 12V, 21W.PY21WCheck Price
Philips/Osram part number. Halogen bulb, specialty application. 12V.12496Check Price
Philips part number. Halogen bulb, specialty application. 12V.12185Check Price

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