The pin H 12030 is a robust mechanical fastening and locating element used in various assemblies of the Sulzer ASL25 engine to provide precise alignment and secure load transfer. Designed to operate under shear forces, vibration, and repeated mechanical stress, this pin ensures stable positioning of connected components throughout engine operation. Manufactured from high-strength material with accurate dimensional control, H 12030 plays an important role in maintaining structural integrity, reliable assembly function, and long-term durability of critical engine systems.

The seal H 27093 is a critical sealing component designed to prevent fluid leakage and protect internal engine systems of the Sulzer ASL25 from contamination. Engineered for reliable operation under fluctuating pressures, temperature changes, and vibration, this seal maintains stable sealing performance over extended service intervals. Its high-quality, application-optimized material ensures durability, protects adjacent components, and directly supports the safety, cleanliness, and efficiency of the engine’s lubrication or fluid circuits.

The A ring H 27094 is a precision retaining and positioning element used in selected assemblies of the Sulzer ASL25 engine to secure components in their correct axial or radial position. Designed to withstand vibration, thermal variation, and continuous mechanical loading, this ring helps prevent unintended movement during engine operation. Manufactured to tight tolerances from durable material, the H 27094 A ring contributes to assembly integrity, reduced wear of mating parts, and consistent long-term performance in demanding marine and industrial applications.

The sealing ring H 21420 is a critical sealing component designed to provide a tight, leak-free interface within fluid or pressure systems of the Sulzer ASL25 engine. Built to operate reliably under fluctuating pressures, temperature changes, and vibration, this sealing ring protects internal components from leakage and contamination. Its high-quality, application-pecific material ensures long service life, stable sealing performance, and contributes directly to the safety, efficiency, and durability of the engine’s operating systems.

The A ring H 27098 is a functional retaining and positioning element used in selected assemblies of the Sulzer ASL25 engine to secure components in their correct axial or radial position. Engineered to withstand vibration, thermal variation, and mechanical loads, this ring ensures dimensional stability and prevents unintended movement during engine operation. Manufactured with tight tolerances and durable material, the H 27098 ring contributes to assembly integrity, reduced wear of adjacent parts, and consistent long-term performance of the engine.

The ball cap H 27050 is a precision-machined seating component used in the valve train and mechanical linkage assemblies of the Sulzer ASL25 engine. Designed to provide accurate load transfer and controlled articulation at spherical contact points, this ball cap ensures smooth motion and reliable force distribution under continuous dynamic loading. Its robust construction and finely finished contact surfaces minimize friction and localized wear, helping maintain precise alignment, reduce mechanical stress, and support long-term reliability of critical valve and control mechanisms.

The left-handed tachometer H 51345 is a mechanical speed-measuring device designed to monitor engine rotational speed in Sulzer ASL25 installations with left-hand rotation. Built for accuracy and reliability in harsh operating environments, this tachometer provides clear, consistent RPM readings essential for engine control, diagnostics, and safe operation. Its robust construction and precise internal gearing ensure stable performance under vibration and temperature variation, making it a dependable instrument for long-term monitoring in marine and industrial engine rooms.

The upper spring plate H 55049 is a robust load-distribution component used within the fuel pump or valve spring assembly of the Sulzer ASL25 engine. Designed to provide precise seating and even force transmission from the spring to adjacent components, it helps maintain accurate mechanical operation under continuous cyclic loading. Engineered for dimensional stability, vibration resistance, and long-term durability, this spring plate reduces localized stress, prevents premature wear, and contributes to the overall reliability and consistency of the fuel or valve actuation system.

The fuel pump piston and cylinder set H 55030 is a precision-engineered assembly at the heart of the Sulzer ASL25 fuel injection system, responsible for generating the high pressures required for accurate fuel delivery. Manufactured to extremely tight tolerances, this matched pair ensures controlled fuel metering, consistent injection timing, and efficient atomization under varying engine loads. Its wear-resistant materials and finely finished surfaces minimize internal leakage and friction, supporting stable combustion, reduced emissions, and long service life in demanding marine and industrial applications.

The impact bolt N 55052 is a high-strength mechanical fastening and load-transfer component used in the Sulzer ASL25 engine where resistance to shock loads and dynamic forces is required. Engineered to withstand repeated impact stresses, vibration, and high mechanical loads, this bolt ensures secure positioning of associated components under demanding operating conditions. Manufactured from tough, fatigue-resistant material with precise dimensional control, the N 55052 impact bolt contributes to structural integrity, operational safety, and long-term durability of critical engine assemblies.