Piston rings are critical components in an internal combustion engine, fitted around the outer diameter of the piston. They serve three main functions: sealing the combustion chamber, regulating oil consumption, and transferring heat from the piston to the cylinder wall.
Typically made of durable cast iron or steel alloys, piston rings ensure proper compression, prevent gas leakage, and control oil film on the cylinder walls. A standard piston usually has three rings: two for compression and one for oil control.
Worn or damaged piston rings can lead to poor engine performance, increased oil consumption, and excessive smoke. Regular inspection and replacement are essential for maintaining engine efficiency and extending its lifespan.
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