Of all the components used in this assembly the Oil Pump Assy is the most expensive.
This part-list fiche shows all the components that make up the M400 2001 Eu (monster 400) 9151-1021b 009 Filters And Oil Pump .
This 009 FILTERS AND OIL PUMP assembly utilises three Screw Tceir M6x30(s) - the highest specified component.