The Turnsignal Lamp (not For U.s. Market) is made up of components including this Lamp Assy Rear which is the most expensive.
Parts such as the Turnsignal Lamp (not For U.s. Market): Screw, Bulb(12v21w), Nut, Lamp Unit are included in the Gs500f 2005 (k5) Usa (e03) Turnsignal Lamp (not For U.s. Market) parts fiche.
The component with the lowest price in the TURNSIGNAL LAMP (NOT FOR U.S. MARKET) schematic is the Screw.
