The seal N 71091 is a critical sealing element used in the Sulzer ASL25 engine to prevent leakage of fluids and protect internal systems from contamination. Designed to maintain reliable sealing performance under fluctuating pressures, temperature variations, and continuous vibration, this seal ensures stable operation throughout extended service intervals. Its application-optimized material and precise manufacturing support long service life, safeguard adjacent components, and contribute directly to the cleanliness, efficiency, and safety of the engine’s fluid systems.

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The impact bolt N 55053 is a high-strength fastening component designed for use in the Sulzer ASL25 engine where resistance to shock loads and dynamic mechanical forces is essential. Engineered to absorb repeated impact stresses and vibration without loss of clamping integrity, this bolt ensures secure positioning of critical components under demanding operating conditions. Manufactured from tough, fatigue-resistant material with precise dimensional control, the N 55053 impact bolt contributes to structural stability, operational safety, and long-term reliability of heavy-duty engine assemblies.

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Flat steel bars with code EN43AG12080060 are high-quality raw materials used in the fabrication and repair of structural and mechanical components for the MAN L21/31 engine. Manufactured from alloy steel with excellent strength, toughness, and machinability, these bars serve as the base material for brackets, supports, plates, and custom-engineered parts. Their consistent dimensions and metallurgical properties ensure that finished components meet strict engine standards, contributing to long service life and mechanical integrity in heavy-duty marine and industrial installations.

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The solenoid valve, code 1684052-1.1, is an electrically actuated control valve used in the MAN L21/31 engine to regulate the flow of air, fuel, or hydraulic media based on control signals. By converting electrical input into precise mechanical movement, it enables fast and accurate system response, supporting automated engine control, safety functions, and monitoring systems. Designed for continuous operation, this valve offers high reliability, quick switching times, and resistance to harsh operating conditions commonly found in marine propulsion and stationary power applications.

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The ball valve with code 1602647-9.2 is a robust shut-off and control component used in the MAN L21/31 engine’s fluid systems, such as lubricating oil, fuel, or cooling circuits. Featuring a spherical closing element with a through-bore, this valve enables fast, reliable on/off operation with minimal pressure loss. Its durable construction ensures tight sealing even under high pressure, temperature fluctuations, and vibration, making it well suited for demanding marine and power generation environments where operational safety and service reliability are critical.

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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.

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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.

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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.

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Plug screws with code EN47R13 are critical sealing components in the MAN L21/31 engine, used to close threaded openings in oil, fuel, or cooling systems. Designed to resist pressure, temperature fluctuations, and vibration, these screws ensure leak-free operation and protect internal systems from contamination. Their reliable sealing performance and robust construction make them a key element in maintaining engine cleanliness, safety, and consistent performance during prolonged operation.

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The plate with code 2196069-1.0 is a structural component used in the MAN L21/31 engine for reinforcement, load distribution, or separation of adjacent assemblies. Precisely manufactured to meet strict dimensional tolerances, it contributes to maintaining proper alignment and mechanical stability under continuous vibration and operational loads. Made from durable, high-quality material, this plate plays an important role in preserving the robustness and long-term reliability of the engine, particularly in demanding marine and industrial environments.

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