The bearing cover screw H 11153 is a high-strength fastening element designed to secure the bearing cover within the Sulzer ASL25 engine’s rotating assembly. Engineered to maintain precise clamping force under continuous vibration, thermal expansion, and dynamic loading, this screw ensures correct bearing alignment and structural integrity of the bearing housing. Its controlled material properties and precision threading provide consistent preload and resistance to loosening, directly supporting reliable bearing performance and long-term engine durability.

The conical clamping ring H 27078 is a precision-engineered securing component used in the Sulzer ASL25 engine to provide strong, vibration-resistant axial locking of critical assemblies. Its conical geometry generates uniform radial pressure during tightening, ensuring stable positioning and reliable retention of associated components under high mechanical loads and thermal cycling. Manufactured from high-strength material with accurate surface finish, this clamping ring minimizes micro-movement, reduces wear on mating parts, and contributes significantly to the long-term mechanical stability and operational reliability of the engine.

The hexagon bolt, code 06.01014-1317-1.D, is a high-strength fastening element widely used throughout the MAN L21/31 engine assembly. Designed for secure clamping under heavy mechanical loads and vibration, this bolt ensures structural integrity of critical engine components. Manufactured from high-grade steel and engineered to precise specifications, it provides consistent torque retention and long-term reliability, making it indispensable for safe and stable engine operation in both marine and industrial applications.

The axial bearing disc, code 11.10121-0122.0, plays a critical role in managing axial forces acting on the crankshaft in the MAN L21/31 engine. By absorbing and distributing thrust loads generated during engine operation, it prevents excessive axial movement of the shaft and protects adjacent bearing surfaces from premature wear. Its robust construction and precise tolerances are essential for maintaining stable crankshaft positioning, reducing vibration, and ensuring reliable engine performance under variable load conditions.

The bearing disc, code 11.10121-0129.A, is a precision-machined component in the MAN L21/31 engine that supports controlled load distribution within the bearing assembly. It helps stabilize rotating components by maintaining correct spacing and contact surfaces, thereby minimizing friction and wear under high operational loads. Designed to withstand continuous mechanical stress, this bearing disc contributes to smooth engine operation, enhanced durability, and long-term reliability in demanding marine and power generation environments.

Kompletni ventil goriva H 27200 precizno je izrađena ubrizgavačka komponenta zadužena za doziranje i raspršivanje goriva u komoru za izgaranje motora Sulzer ASL25. Projektiran za rad pri visokim tlakovima i preciznu kontrolu protoka, ovaj ventil osigurava optimalnu raspodjelu goriva, učinkovito izgaranje i smanjene emisije. Izrađen od visokokvalitetnih materijala uz uske tolerancije, H 27200 zadržava stabilne performanse ubrizgavanja pri ekstremnim toplinskim i mehaničkim opterećenjima, čineći ga ključnim za stabilnu snagu motora, dobru iskoristivost goriva i dug vijek trajanja u zahtjevnim brodskim i industrijskim uvjetima.

The connecting rod bolt H 33030 is a safety-critical fastening element used to secure the connecting rod and cap assembly in the Sulzer ASL25 engine. Engineered to withstand extremely high tensile forces, dynamic loading, and cyclic fatigue, this bolt maintains precise clamping force throughout continuous engine operation. Its controlled material properties and precision threading ensure reliable preload, prevent loosening, and protect the integrity of the crank mechanism, directly supporting long-term engine reliability, mechanical stability, and operational safety.

The complete fuel valve assembly H 27200 is a precision-engineered injection component responsible for delivering and atomizing fuel into the combustion chamber of the Sulzer ASL25 engine. Designed for high-pressure operation and precise flow control, this valve ensures optimal fuel distribution, efficient combustion, and reduced emissions. Manufactured with high-grade materials and tight tolerances, H 27200 maintains consistent injection performance under extreme thermal and mechanical loads, making it essential for stable power output, fuel efficiency, and long service life in demanding marine and industrial environments.

The internal valve spring H 27092 is a critical dynamic component of the Sulzer ASL25 valve train, designed to maintain precise valve control under high engine speeds and continuous thermal stress. Installed within the valve assembly, this spring ensures consistent closing force and accurate valve timing throughout the engine cycle. Engineered for exceptional fatigue resistance and dimensional stability, H 27092 performs reliably under repeated compression and elevated operating temperatures, directly supporting combustion efficiency, reduced valve wear, and long-term operational stability of the engine.

The guide bearing cap, code 11.01254-0169.A, provides axial guidance and positional stability for the crankshaft in the MAN L21/31 engine. By maintaining accurate alignment under fluctuating loads and thermal expansion, it helps control crankshaft movement and reduces mechanical wear. Its precision construction supports smooth engine operation, protects critical rotating components, and contributes significantly to the overall reliability and service life of the engine under demanding operating conditions.