The piston H 34001 is a core combustion component of the Sulzer ASL25 engine, designed to withstand extreme thermal loads, high combustion pressures, and continuous mechanical stress. Manufactured from high-strength alloy with optimized geometry and surface treatment, it ensures efficient force transfer, reduced friction, and controlled oil consumption. Its precision engineering supports stable engine performance, low emissions, and long-term reliability, making H 34001 essential for demanding marine and power-generation applications.