The most reasonably priced component used on the Sv650a 2007 (k7) Usa (e03) Turnsignal Lamp (sv650sk3/sk4/sk5/sk6/sk7/sak7) is the Nut.
Some items from this specific schematic: Plate,turnsignal Lamp, Lamp Assy,rr Turnsignal,l, Lamp Assy,rr Turnsignal,l, Bulb(12v21w).
With all the components that make up the SV650A 2007 (K7) USA (E03) TURNSIGNAL LAMP (SV650SK3/SK4/SK5/SK6/SK7/SAK7) assembly. The Bulb(12v21w) is the most frequently specified with two applications.