The Seat is made up of components including this Seat Assy(blue) which is the most expensive.
Parts such as the Seat: Seat Assy(blue), Seat Assy, Washer(6.5x20x1.6), Cushion,seat(40x20x6) are included in the Gsxr750x 2004 (k4) Usa (e03) Seat parts fiche.
eighteen components are shown in this Gsxr750x 2004 (k4) Usa (e03) Seat exploded diagram.