With a quantity of two pieces, the Dowel,pin,12x20 is the most used part in the CYLINDER diagram.
The Cylinder assembly is constructed from several parts from which the Cylinder Comp. is the most expensive.
Some items from this specific schematic: Gasket,cylinder (mca), Dowel,pin,12x20, Bolt,flange,6x28, O-ring,78.3x2.