Parts such as the Oil Cleaner: Gasket (nas), Bolt, Union (583 Oil Pipe), O-ring (583 Oil Drain Bolt), O-ring(m01) are included in the Yz400f 1999 5gr2 France 295gr-100e1c Oil Cleaner parts fiche.
The most expensive part in this assembly is the Pipe, Delivery 1.
The lowest price component in this Oil Cleaner parts-list fiche is the Bolt, Flange(6u1).