With a quantity of three pieces, the Screw is the most used part in the OIL PUMP diagram.
The most reasonably priced component used on the Lt-z400 Quad Sport 2005 (k5) Usa (e03) Quadsport Quad-sport Oil Pump is the Screw.
The Oil Pump assembly is constructed from several parts from which the Pump Assy,engine Oil No.1 is the most expensive.