Check out any of the twenty-seven Crankcase - Oil Pump components enlisted.
Parts such as the Crankcase - Oil Pump: Screen, Filter, Pin,oil Pump, Gasket,oil Pump (nas), Washer,spg.,5mm are included in the Z50jc Monkey Finland Crankcase - Oil Pump parts fiche.
The lowest price component in this Crankcase - Oil Pump parts-list fiche is the Screw,cross 5x10.