Pistons

The piston is one of the central components in the internal combustion engine and moves up and down in the cylinder to convert the energy of combustion into mechanical motion. Together with the connecting rod, crankshaft, and piston rings, it forms the basis for power transmission in the engine.

During engine operation, the air-fuel mixture in the combustion chamber is ignited, creating high pressure. This pressure forces the piston downwards, which in turn sets the crankshaft in motion via the connecting rod. This process converts the energy of combustion into motive power.

Pistons are typically made of high-strength aluminum alloys, offering high temperature resistance, low weight, and good thermal conductivity. Modern pistons feature precisely machined piston ring grooves, optimized piston crowns, and special coatings to reduce friction and wear. Combined with the piston rings, these features ensure a reliable seal in the combustion chamber and efficient power transmission.

Damaged or worn pistons can lead to loss of power, increased oil consumption, unusual engine noises, or serious engine damage. Therefore, precise fit and high-quality materials are crucial when replacing pistons or overhauling an engine.

At Autoteile Gossau, you'll find pistons for numerous vehicle models in both original and high-quality aftermarket versions. Our spare parts meet manufacturer specifications and ensure reliable engine operation. Benefit from particularly competitive prices in Switzerland, fast delivery, or the option to pick up your order directly from our shop in Gossau and pay in cash or by card.