The bolt H 45371 is a safety-relevant structural fastener used in the Sulzer ASL25 engine to join and secure major components subjected to high mechanical stress. Manufactured from high-grade material and designed with precise dimensional tolerances, it ensures accurate load distribution and reliable clamping under cyclic forces and thermal expansion. Its durability and resistance to fatigue are essential for maintaining assembly integrity, minimizing the risk of loosening, and supporting long-term, trouble-free engine operation in demanding marine and industrial applications.