twelve components are listed in the schematic for this Gsxr1000z 2004 (k4) Usa (e03) Under Cowling (gsx-r1000zk4 E28) .
On this parts fiche the Cushion is the most specified component.
A sample from the products for the Under Cowling (gsx-r1000zk4 E28) include: Emblem,gsxr,l, Cushion, Cowling,under Ctr, Cowling,under Inner,l.