What is piston ?
A piston is a component of reciprocating engines, reciprocating pumps, gas compressors and pneumatic cylinders, among other similar mechanisms. It is the moving component that is contained by a cylinder and is made gas-tight by piston rings. In an engine, its purpose is to transfer force from expanding gas in the cylinder to the crankshaft via a piston rod and/or connecting rod.
Pistons are at the very heart of the reciprocating internal combustion engine, which is why they are often called a "piston engine". At its most basic, the piston is simply a solid cylinder of metal, which moves up and down in the hollow cylinder of the engine block. The piston itself is slightly smaller than the hole it moves in, but it has piston rings under tension to achieve an (nearly) air-tight seal once it is installed within the engine cylinder. The piston is attached via a wrist pin to a connecting rod, which in turn is connected to the crankshaft, and together they turn the up and down (reciprocating) motion into round and round (rotational) motion to drive the crankshaft.
Our piston is directly from Yangdong Co., Ltd. which ensures that piston is genuine Yangdong diesel engine spare part. Please kindly check our Yangdong YD480D piston pictures as follows for reference.
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