The component with the lowest price in the CARGO BED schematic is the Bolt-flanged,8x16,bla.
This schematic depicts all components used in the Kaf450-b1 Mule1000 1988 Usa, Canada Cargo Bed partslist.
Some items from this specific schematic: Spring, Pin-cotter,2.5x20, Bracket, Damper Rubb-main Stnd.