The component with the lowest price in the OIL PUMP schematic is the Gasket, Breather Bolt (nas).
Parts such as the Oil Pump: Circlip(1ey), Clip, Clip, Screw, Pan Head are included in the Ew50 2004 1s11 Belgium 1c1s1-300f1 Oil Pump parts fiche.
With all the components that make up the EW50 2004 1S11 BELGIUM 1C1S1-300F1 OIL PUMP assembly. The Clip 101235600 is the most frequently specified with two applications.