The Cylinder Barrel is made up of components including this Barrel Assy.,cyli which is the most expensive.
sixteen components are listed in the schematic for this Gx240\vxq4\18ze20e8 Cylinder Barrel .
Some items from this specific schematic: Oil Seal,30x46x8, Pin, Lock, 10m/m, Nut, Flang, 10mm, Bolt Flang 6x12.
