Parts such as the Turnsignal Lamp (sv650sk8/sak8): Plate,turnsignal Lamp, Lens, Cushion,rr, Bulb(12v21w) are included in the Sv650 2008 (k8) Usa (e03) Turnsignal Lamp (sv650sk8/sak8) parts fiche.
On this parts fiche the Bulb(12v21w) is the most specified component.
Check out any of the nineteen Turnsignal Lamp (sv650sk8/sak8) components enlisted.