Triumph Thunderbird ABS Turn Signal Bulb Size

The Triumph Thunderbird ABS front and rear turn signal bulbs use a 12496 or PY21W size. The replacement chart covers 2010 to 2013 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

YearsBulb Size
2012-201312496
2010-2011PY21W

Rear Turn Signal

YearsBulb Size
2011-2013PY21W
201012496

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

Other Locations

Additional Notes