The Crankshaft - Piston is made up of components including this Crankshaft Assy which is the most expensive.
The lowest price component in this Crankshaft - Piston parts-list fiche is the Circlip (26h).
Some items from this specific schematic: Washer, Bearing Cover, Brg,r-b 6205c4 52mm 130g Ky, Piston Ring Set (std), Pin, Crank 1.