The most reasonably priced component used on the Lt-z400z Quad Sport 2008 (k8) Usa (e03) Quadsport Quad-sport Oil Pump is the Spring.
Check out any of the twenty-one Oil Pump components enlisted.
A sample from the products for the Oil Pump include: O Ring(d:1.9,id:13), Cap,oil Filter, Strainer,oil Pump No.2, Circlip,10mm.