Triumph Bonneville T120 Turn Signal Bulb Size

The Triumph Bonneville T120 front turn signal requires 232 or 5008 bulb sizes, while the rear turn signal uses a 232 bulb size. The replacement chart covers 2016 to 2018 vehicle production years with corresponding bulb 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
2017-2018232
20165008

Rear Turn Signal

YearsBulb Size
2016-2018232

Bulb Specifications

Description Bulb Size
ANSI standard (US & Canada). Festoon bulb with SV8.5 base. 12V, 3W.232
ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Lower wattage variant of 1156. 12V.5008

Other Locations

Additional Notes