The lowest price component in this Oil Pan/oil Pump parts-list fiche is the Gasket(5.8x13x1.2) (nas).
Some items from this specific schematic: Gasket(12.1x16.2x3.7) (nas), Strainer Assy,engine Oil, Chain,oil Pump Drive, Pin(4x15.8).
The Bolt is the most widely applied product in the GSX1250FA 2011 (L1) USA (E03) OIL PAN/OIL PUMP ( sixteen times ).