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.
Round steel bars, code EN43AE00350145, are high-grade raw materials used in the manufacture and refurbishment of various MAN L21/31 engine components. Produced from EN43AE alloy steel, these bars offer excellent strength, toughness, and machinability, making them suitable for precision parts such as shafts, pins, and structural elements. Their consistent mechanical properties and dimensional accuracy ensure that finished components meet strict engine specifications, supporting reliable performance in marine and industrial diesel engine applications.
The connecting rod bearing, code P50604-04, is an essential load-bearing component in the MAN L21/31 engine, enabling smooth rotation between the connecting rod and the crankshaft. Engineered to handle high dynamic loads and continuous lubrication, this precision bearing minimizes friction and absorbs operating stresses during each combustion cycle. Its accurate fit and advanced bearing materials protect critical rotating components, contributing to stable engine operation, reduced wear, and long-term durability under heavy-duty operating conditions.
The cylinder liner, code P50610-12, is a critical wear component in the MAN L21/31 engine, forming the inner running surface of the cylinder where the piston operates. Designed to withstand high combustion pressures, temperatures, and continuous friction, the liner ensures optimal sealing, controlled oil consumption, and efficient heat transfer to the cooling system. Manufactured from high-quality, wear-resistant materials with precision machining, the cylinder liner plays a key role in maintaining engine efficiency, reliability, and extended service life in demanding marine and power generation 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.