The component with the lowest price in the OIL PUMP schematic is the Screw, Flat.
forty-three components are shown in this Yfm350uj (2wd) Maine New Hampshire 1997 Oil Pump exploded diagram.
A sample from the products for the Oil Pump include: Pin, Dowel, Circlip(1yw), Spring, Compression(1yw), Pipe, Delivery 1.