The Spring,air Cleane is the most widely applied product in the TRX500FPEA 2010 (A) AUSTRALIA / EC PS AIR CLEANER ( four times ).
Some items from this specific schematic: Seal,air/c Cover, Clip, Oil Drain Tube, Tube,air/c Drain, Body Comp,air/c.
The component with the lowest price in the AIR CLEANER schematic is the Clip,mudguard.