Some items from this specific schematic: Bulk Tube,tb 35x1, Valve Comp.,check, Bulk Tube,tb 55x3, Clip,tube.
The lowest price component in this Air Cleaner Tubing parts-list fiche is the Screw,cross,4x20.
The sub assemblies and components that make up this Air Cleaner Tubing include this Diaph,contl.valve, the most expensive part.