Check out any of the thirty-three Oil Pump components enlisted.
The component with the lowest price in the Oil Pump schematic is the Pin-gear Change Drum.
Parts such as the Oil Pump: Bolt, Pin-dowel, Rotor-pump, Pipe,oil Level are included in the Jt1200-d7f Jetski Stx-12f 2007 Usa Oil Pump parts fiche.