The most reasonably priced component used on the Gsx1300r Hayabusa 2012 (l2) Usa (e03) Water Pump is the Washer.
This schematic depicts all components used in the Gsx1300r Hayabusa 2012 (l2) Usa (e03) Water Pump partslist.
With a quantity of two pieces, the Screw is the most used part in the WATER PUMP diagram.