A sample from the products for the Seat (model K3) include: Cushion, Bracket,seat Support,right, Seat Assy,pillion, Bolt(6x18).
On this parts fiche the Cushion is the most specified component.
This Seat (model K3) diagram displays the required parts for the Sv650a 2004 (k4) Usa (e03) Seat (model K3).