The plug H 27058 is a precision-machined closing element used in the Sulzer ASL25 engine to securely seal auxiliary openings in housings, channels, or fluid passages. Designed to withstand internal pressure, thermal cycling, and continuous vibration, it ensures a leak-free barrier that protects the internal systems from contamination and fluid loss. Its robust construction and accurate threading enable reliable installation and long-term sealing performance, contributing to system integrity, operational safety, and simplified maintenance procedures.

The O-ring H 21434 is a high-performance elastomeric sealing element used to achieve leak-free operation in pressure and fluid connections within the Sulzer ASL25 engine. Designed to retain its shape and elasticity under thermal cycling, vibration, and exposure to oil and fuel, it ensures a secure and flexible sealing interface between mating components. Despite its compact dimensions, this O-ring plays a vital role in preserving system pressure, preventing fluid loss, and protecting internal parts from contamination. Its durability and reliable sealing characteristics contribute significantly to stable engine performance and extended service life.

The seal H 16552 is a critical protective component designed to provide reliable sealing in selected interfaces of the Sulzer ASL25 engine where fluid retention and contamination control are essential. Engineered for resistance to oil, temperature fluctuations, and continuous mechanical stress, it maintains elasticity and sealing integrity throughout extended operating periods. By minimizing leakage and safeguarding adjacent assemblies from external impurities, the H 16552 seal contributes directly to reduced maintenance requirements, improved system cleanliness, and the long-term reliability of the engine’s auxiliary and main systems.

The pipe seal H 16198 is a precision-engineered sealing element developed to ensure a tight and durable connection along pipe interfaces in the Sulzer ASL25 engine. With its accurately defined geometry (Ø18 × Ø8 × 1124), it effectively compensates for thermal expansion, vibration, and pressure variations in fluid circuits. Manufactured from high-quality, application-specific material, this seal prevents leakage, protects surrounding components from contamination, and supports the stable operation of lubrication, fuel, or cooling systems. Its consistent sealing performance plays a key role in maintaining system efficiency, operational safety, and long service intervals in demanding marine and industrial environments.

The main rocker rack H 27031 is a robust structural component forming the central support and alignment base for the main rocker arms within the Sulzer ASL25 valve train system. Designed to withstand high cyclic loads, vibration, and thermal influence, it ensures precise positioning and synchronized movement of the rocker mechanism. Its rigid construction and accurately machined mounting surfaces minimize deflection and wear, enabling reliable valve timing, smooth power transmission, and reduced mechanical stress. As a key load-bearing element, the main rocker rack plays a vital role in the durability, efficiency, and long-term stability of the engine’s valve actuation system.

The sealing ring H 16523 is a critical component used to achieve leak-free operation in key interfaces of the Sulzer ASL25 engine. Engineered for resistance to oil, temperature variation, and mechanical stress, it maintains elasticity and sealing effectiveness over extended service intervals. By ensuring a secure barrier against fluid loss and ingress of contaminants, this sealing ring protects adjacent components, reduces maintenance requirements, and contributes to the long-term reliability and efficiency of the engine’s fluid-handling systems.

The pipe seal H 16198 is a precision-engineered sealing element designed to ensure a tight and durable interface along pipe connections in the Sulzer ASL25 engine. With its accurately defined dimensions (Ø18 × Ø8 × 1124), this seal provides reliable compensation for thermal expansion, vibration, and pressure fluctuations in fluid systems. Manufactured from high-quality, application-optimized material, it prevents leakage, protects surrounding components from contamination, and supports stable long-term operation of lubrication, fuel, or cooling circuits. Its consistent sealing performance is essential for maintaining system efficiency and operational safety in demanding marine and industrial environments.

The nut H 33033 is a high-strength fastening component used in the Sulzer ASL25 engine to secure critical bolted joints exposed to dynamic loads and continuous vibration. Engineered for reliable preload retention and resistance to loosening under thermal cycling and mechanical stress, this nut ensures stable and secure assembly of associated components. Its precision-formed threads and controlled material properties provide long service life, structural integrity, and dependable operation, making it an indispensable element in maintaining the overall reliability of the engine.

The O-ring H 27106 is a critical sealing element used in the Sulzer ASL25 engine to provide a leak-free interface in fluid and pressure connections. Manufactured from elastomer specifically selected for resistance to oil, temperature fluctuations, and vibration, this O-ring maintains elasticity and sealing efficiency throughout extended service life. By preventing fluid loss and protecting internal components from contamination, H 27106 plays an essential role in preserving system integrity, ensuring operational safety, and supporting consistent engine performance.

The auxiliary rocker arm shaft H 27036 is a precision-machined structural and functional component within the Sulzer ASL25 valve train system, serving as the rotational support and alignment axis for the auxiliary rocker arms. Designed to withstand continuous cyclic loading, vibration, and thermal influence, this shaft ensures smooth oscillating motion and accurate valve actuation. Its high-strength material, optimized surface finish, and strict dimensional tolerances minimize wear and maintain precise geometry over long operating intervals, contributing directly to reliable valve timing, reduced mechanical losses, and long-term engine durability.