The O-ring, code 06.56936-3104.0, is a compact yet highly effective sealing component used throughout the MAN L21/31 engine to ensure leak-free connections between critical interfaces. Designed with a precisely defined elastic profile, it compresses within its groove to provide a reliable barrier against the escape of fluids and the ingress of contaminants under varying pressure and temperature conditions. Manufactured from high-performance elastomer materials resistant to heat, oil, and chemical exposure, the O-ring maintains long-term flexibility and sealing integrity. Its dependable performance helps protect internal systems, reduce maintenance requirements, and support the safe and efficient operation of marine and stationary diesel engines.

The sealing ring K 87177 is a precision sealing element specifically designed for use with component K 87165 in the Sulzer ZV40/48 engine. Its primary function is to ensure tight sealing between mating surfaces, preventing leakage of fluids and protecting the system from contamination. Engineered to withstand pressure fluctuations, temperature variations, and continuous vibration, this sealing ring maintains consistent sealing performance over long operating periods. Its high-quality material and accurate fit contribute to system efficiency, reduced maintenance requirements, and reliable operation of the associated assembly.

The reducer nipple K 92184 is a precision-machined connecting element used in the Sulzer ZV40/48 engine to join pipelines or components with different diameters. Designed for secure and leak-free connections under pressure, it enables smooth transitions between pipe sizes without causing flow disturbances or excessive pressure drops. Manufactured from durable, corrosion-resistant material, this component ensures long service life even in demanding operating environments. By maintaining system integrity and supporting efficient fluid transfer, the K 92184 reducer nipple plays an important role in the reliability of fuel, lubrication, or auxiliary piping systems.

The right-hand exhaust bend K 81133 is a critical piping component within the Sulzer ZV40/48 engine’s exhaust system, designed to guide high-temperature exhaust gases smoothly through directional changes in the exhaust line. Engineered to withstand extreme thermal loads, vibration, and corrosive exhaust environments, this bend ensures efficient gas flow with minimal pressure loss. Its precise geometry supports proper alignment within the exhaust assembly and reduces mechanical stress on connected sections. By maintaining structural integrity and optimized flow conditions, the K 81133 exhaust bend contributes to reliable engine performance and long-term durability of the exhaust system.

The sleeve, code 11.41199-0005.A, is a precision-engineered component designed to provide alignment, support, and protection for mating parts within the MAN L21/31 engine assembly. Serving as a guiding or spacing element, it ensures correct positioning of adjoining components and helps distribute mechanical loads evenly across the assembly. Manufactured from durable materials capable of resisting wear, temperature fluctuations, and operational stresses, the sleeve contributes to the stability and longevity of connected parts. By maintaining precise alignment and reducing friction or vibration effects, this component plays an important role in preserving the efficiency, reliability, and service life of the engine.

The thermostat housing, code 11.41100-0565-1.A, is a key structural component of the cooling system in the MAN L21/31 engine, designed to accommodate the thermostat and manage the controlled distribution of cooling water. Precisely machined to ensure correct alignment and sealing surfaces, the housing enables accurate temperature regulation by directing coolant flow according to engine operating conditions. Its robust construction allows it to withstand pressure variations, thermal cycling, and continuous vibration typical of medium-speed diesel engines. By maintaining proper positioning of the thermostat assembly and ensuring leak-tight coolant circulation, the thermostat housing plays an important role in stable thermal management and reliable engine operation.

The O-ring, code 06.56936-2985.0, is a compact but essential sealing element used throughout the MAN L21/31 engine to ensure leak-free connections between mating components. Designed with a precisely defined elastic profile, the O-ring compresses within its groove to create a reliable seal against fluids and gases under varying pressure and temperature conditions. Manufactured from high-quality elastomer materials resistant to heat, oils, and chemical exposure, it maintains its flexibility and sealing capability over long operating periods. By preventing the escape of lubricants or coolant and protecting systems from contamination, this simple yet highly effective component contributes significantly to the operational safety and efficiency of marine and stationary diesel engines.

The seal H 85720 is an essential sealing element used in the Sulzer ASL25 engine to ensure tight sealing within oil or fluid circuits exposed to varying pressures and temperatures. Engineered for durability and chemical resistance, it prevents leakage while maintaining system pressure and protecting internal components from contamination. Its precisely manufactured geometry allows optimal contact with surrounding surfaces, ensuring consistent sealing performance even under continuous vibration and thermal stress. The reliability of the H 85720 seal is crucial for maintaining efficient engine operation, minimizing fluid losses, and supporting the long-term durability of the engine systems.

The protective cocoon H 74134 serves as a shielding component within the Sulzer ASL25 engine assembly, designed to protect sensitive mechanical elements from debris, contamination, and mechanical impacts. Its structural design provides an additional protective layer around critical components that operate under vibration and dynamic loads. Manufactured with durable material and precise dimensions, the cocoon maintains the correct spatial arrangement of adjacent elements while reducing exposure to environmental influences. By safeguarding internal mechanisms, the H 74134 cocoon enhances reliability, extends component life, and supports stable engine performance in demanding marine and industrial environments.

The seal H 82506 is a critical sealing component used in the Sulzer ASL25 engine to maintain the integrity of fluid and pressure systems operating under demanding conditions. Designed to provide reliable sealing between mating components, it prevents leakage of lubricating oil or other working fluids while protecting internal engine parts from contamination. Manufactured from high-performance sealing materials resistant to temperature fluctuations, oil exposure, and mechanical stress, this seal ensures long service life and consistent sealing performance. By maintaining stable operating conditions within the engine systems, the H 82506 seal contributes directly to efficiency, operational safety, and reduced maintenance requirements.