Porsche 911 Turn Signal Bulb Size

Porsche 911 front inner turn signal, front turn signal, and rear turn signal bulbs utilize sizes 12496, PY21W, 1156, and 1157, with specific bulb configurations varying by location. The replacement chart covers vehicle production spanning 1965 to 2009 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 Inner Turn Signal

YearsBulb Size
2006-200812496
2005PY21W
200412496
2002-2003PY21W

Front Turn Signal

YearsBulb Size
2006-2008PY21W
2002-2005PY21W (Yellow)
1999-20011156
1979-19981157
1972-19781156
19711141
19701156
19691157
1965-19681156

Rear Turn Signal

YearsBulb Size
2009PY21W
2006-200812496
2004-2005PY21W
1999-200312496
1971-19981156
19701141
1965-19691156

Bulb Specifications

Description Bulb Size
Philips/Osram part number. Halogen bulb, specialty application. 12V.12496
ECE standard (Europe & worldwide). Single-filament amber bulb with BAU15s bayonet base. 12V, 21W.PY21W
ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 21W.1156
ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. 12V, 21W/5W.1157
ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 21W.1141

Other Locations