The Piston Ring (OEM Part No. 5541535500) is an engine wear component compatible with Epiroc ST1030 underground mining equipment, including newer 1030 configurations models. Manufactured from durable cast iron, the piston ring is designed to operate within the engine cylinder assembly, helping support proper sealing between the piston and cylinder wall. It contributes to maintaining combustion pressure, controlling lubricant distribution, and reducing unwanted gas and oil movement within the engine. Designed for demanding heavy-duty mining applications, 5541535500 provides a practical replacement solution for engine maintenance and repair, helping support reliable engine performance and extend the service life of associated components.