The pressure rod H 27216 is a high-strength mechanical transmission component used in the valve actuation system of the Sulzer ASL25 engine, transferring motion from the camshaft mechanism to the valve assembly. Manufactured for exceptional rigidity, straightness, and surface durability, the pressure rod ensures accurate motion control and consistent valve operation under extreme cyclic loading. By maintaining precise geometry and minimizing deflection, H 27216 helps preserve correct valve timing, reduce vibration, and support the overall efficiency and durability of the engine’s valve train system.

The spring H 27705 is a critical control element in the valve train of the Sulzer ASL25 engine, responsible for maintaining precise valve timing by ensuring rapid and consistent valve closure during each engine cycle. Engineered for high fatigue resistance and dimensional stability, this spring performs reliably under repeated compression, elevated temperatures, and continuous dynamic loading. Its carefully calibrated stiffness guarantees optimal contact between camshaft, valve, and rocker mechanism, contributing directly to efficient combustion, reduced mechanical wear, and smooth long-term engine operation.

The valve guide H 27153 is a precision-machined component that ensures accurate axial alignment and controlled movement of the engine valve within the cylinder head of the Sulzer ASL25 engine. Designed to withstand high combustion temperatures, continuous mechanical load, and aggressive operating conditions, this valve guide minimizes stem wear and maintains proper valve seating over long service intervals. Its optimized material composition and surface finish reduce friction, support efficient heat transfer from the valve stem to the cylinder head, and play a crucial role in sustaining stable combustion performance and long-term engine reliability.

The connecting rod with cover H 33001 is a precision-engineered power transmission component that converts the linear motion of the piston into rotational motion of the crankshaft in the Sulzer ASL25 engine. Designed to handle high compressive and tensile loads, this assembly ensures accurate alignment of the bearing surfaces and smooth force transfer during every engine cycle. Its robust construction, precise machining, and balanced design minimize vibration and bearing wear, making it essential for efficient combustion energy utilization and long-term durability of the engine’s rotating assembly.

The connecting rod bolt H 33030 is a safety-critical fastening element designed to secure the connecting rod and cap assembly in the Sulzer ASL25 engine. Engineered for extremely high tensile loads and fatigue resistance, this bolt maintains clamping force under dynamic inertia forces and high-cycle engine operation. Manufactured with precise threading and controlled material properties, it ensures reliable preload, prevents loosening, and safeguards the integrity of the crank mechanism, directly supporting long-term engine reliability and operational safety.

The piston H 34001 is a core combustion component of the Sulzer ASL25 engine, engineered to withstand high thermal loads, peak combustion pressures, and continuous mechanical stress. Manufactured from high-strength alloy material with optimized geometry, this piston ensures efficient force transfer from combustion gases to the connecting rod while maintaining excellent thermal stability. Its precision machining supports correct clearances, reduced friction, and controlled oil consumption, contributing to reliable engine performance, long service life, and stable operation in demanding marine and industrial applications.

The nut K 73025 is a robust fastening component used to secure shaft K 73023 within the cooling water pump assembly of the Sulzer ZV40/48 engine. Engineered to maintain axial positioning and clamping force under vibration and continuous mechanical load, this nut ensures stable retention of rotating components during operation. Manufactured from high-strength material with precise threading, it enables secure installation, reliable torque transmission, and long-term resistance to loosening. As a critical locking element, K 73025 plays an essential role in preserving shaft alignment, mechanical integrity, and dependable pump performance.

The O-ring K 73037 is a high-performance sealing element installed in bearing housing K 73011 of the ZV40/48 cooling water pump. Designed to withstand constant exposure to water, vibration, and thermal cycling, it provides an effective barrier against leakage and ingress of contaminants into the bearing area. Its precise dimensions and durable elastomer material ensure consistent sealing performance, protecting bearings from premature wear and corrosion. By safeguarding the bearing housing, the O-ring K 73037 contributes directly to smooth pump operation, extended service intervals, and overall system reliability.

The O-ring K 73036 is a precision sealing component designed for the cover K 73018 in the Sulzer/Adriadiesel/Jugoturbina/Zgoda ZV40/48 engine’s cooling water pump assembly. Its function is to provide a reliable, leak-free seal between the cover and the pump housing, preventing water loss and protecting internal components from external contamination. Manufactured from high-quality elastomer resistant to water, temperature fluctuations, and mechanical compression, this O-ring maintains sealing integrity under continuous operation. Despite its small size, K 73036 plays a crucial role in ensuring pressure stability, operational safety, and long-term reliability of the cooling water pump system.

The counter ring K 73026 is a precision-machined sealing and wear component used in the cooling water pump of the Sulzer ZV40/48 engine. Positioned opposite the rotating sealing elements, it provides a stable, wear-resistant contact surface that ensures reliable sealing and controlled friction during pump operation. Engineered to withstand continuous exposure to water, pressure fluctuations, and thermal cycling, this counter ring helps prevent leakage, protects adjacent components, and contributes to the long-term efficiency, reliability, and durability of the cooling water pump system.