On this parts fiche the Clip(black) is the most specified component.
This part-list fiche shows all the components that make up the Vl800t Boulevard C50 2011 (l1) Usa Californi Canad (e03 E33 E28) Turnsignal Lamp (vl800c E33) .
Some items from this specific schematic: Bulb(12v21/5w), Bracket, Cover,rr Turnsignal Lwr, Washer(5.5x14x1.2).