A piston is a cylindrical engine component that slides back and forth in the cylinder bore by forces produced during the combustion process. The piston acts as a movable end of the combustion chamber.

A damper has a piston which moves inside a sealed, oil-filled cylinder with the up-and-down movement of the wheel. There are narrow control passages and one-way valves in the piston, which allow oil to flow through it from one chamber to another - but only very slowly.

A well designed printable piston with a screw head and a nut head attachment, both are printable with no supports.the piston is good to use with air or water in a fitting piston housing. piston as a designed place for an O - ring.