The component with the lowest price in the AIR CLEANER schematic is the Screw-pan-wp-cros.
Some items from this specific schematic: Damper,air Cleaner, Spring,coil,3.6x237.2, Screw-pan-ws-cros, Gasket,air Filter.
This Case-air Filter,lwr is the most expensive of the items that make up this Air Cleaner assembly.
