The oval flange, code 170901, is a precision-engineered connection component used in the MAN L21/31 engine to establish durable and pressure-resistant joints between piping systems, hoses, and mechanical interfaces. Its oval geometry allows efficient installation in compact engine spaces while ensuring balanced load distribution and secure sealing performance. Produced from robust, corrosion-resistant materials, the flange is designed to tolerate vibration, thermal expansion, and demanding operating conditions typical of marine propulsion and industrial power applications. By providing reliable and stable system connections, the oval flange supports safe fluid transfer, minimizes leakage risks, and contributes to the overall operational reliability and longevity of the engine systems.

The gasket, code 300100, is an essential sealing component in the MAN L21/31 engine, designed to create secure and leak-tight joints between mating surfaces exposed to pressure, temperature fluctuations, and aggressive operating media. By compensating for minor surface irregularities, the gasket ensures reliable sealing of oil, coolant, fuel, or gas systems, preventing leakage and maintaining system integrity during continuous engine operation. Manufactured from carefully selected heat- and chemical-resistant sealing materials, it delivers long service life and dependable performance even in severe marine and industrial environments. Its role in preserving operational efficiency and reducing maintenance demands makes the gasket a critical element for safe and reliable engine performance.

The disc, code 100100, is a versatile precision component used within various mechanical and fluid-handling systems of the MAN L21/31 engine. Depending on its application, the disc may serve as a sealing element, support surface, flow-control component, or structural spacer within rotating or stationary assemblies. Engineered for dimensional accuracy and operational durability, it is manufactured from high-strength and wear-resistant materials capable of withstanding pressure, vibration, and thermal stress under demanding marine and industrial conditions. Its reliable function contributes to stable mechanical performance, controlled system operation, and the long-term reliability of critical engine assemblies.

The protecting cap, code 100100, is a compact but essential protective component used in the MAN L21/31 engine to shield exposed fittings, threaded interfaces, and sensitive connection points from contamination and environmental exposure. By preventing the ingress of dirt, moisture, salt particles, and other harmful substances, it helps preserve the integrity and operational reliability of critical engine components. Manufactured from durable and corrosion-resistant materials, the protecting cap provides dependable performance under harsh marine and industrial operating conditions. Its role in maintaining cleanliness and safeguarding vulnerable interfaces contributes to safer maintenance procedures, reduced component deterioration, and extended service life of the engine.

The assembly spray nozzles, code 200100, represent a precisely engineered set of fluid distribution components used in the MAN L21/31 engine for lubrication, cooling, or cleaning applications. Designed to deliver controlled spray patterns and accurate fluid atomization, these nozzles ensure that oil, fuel, or water is distributed efficiently to critical operational areas. Manufactured to strict dimensional tolerances and optimized for stable flow performance, the assembly provides reliable operation under varying pressures, temperatures, and engine loads. Constructed from wear- and corrosion-resistant materials, the spray nozzle assembly contributes to improved thermal management, reduced friction and wear, and enhanced overall efficiency and durability of the engine systems.

The cover with splash tube, code 300100, is a multifunctional component within the MAN L21/31 engine designed to combine protective enclosure and controlled fluid distribution in one integrated assembly. By shielding internal engine elements from contamination while directing lubricating oil or other operating media through the integrated splash tube, it supports efficient lubrication and cooling of critical moving parts. Engineered for precise fitment and reliable sealing, the component is manufactured from durable, corrosion-resistant materials capable of withstanding demanding thermal and mechanical operating conditions. Its dual role in protection and fluid guidance contributes significantly to reduced component wear, improved operational reliability, and long-term engine performance in marine and industrial applications.

The spray nozzle, code 302759, is a precision-engineered component designed to distribute fluids in a controlled spray pattern within the MAN L21/31 engine systems. Commonly used for lubrication, cooling, or cleaning applications, it ensures efficient atomization and accurate delivery of oil, fuel, or water to designated operating areas. Manufactured to strict tolerances and optimized for stable flow characteristics, the spray nozzle delivers reliable performance under varying pressures and temperatures. Constructed from wear- and corrosion-resistant materials, it maintains consistent operation over extended service intervals. By enabling precise fluid distribution, the spray nozzle contributes to improved cooling efficiency, reduced component wear, and enhanced overall engine performance.

The compression fitting, code 100100, is an essential joining element within the MAN L21/31 engine systems, designed to create secure and pressure-resistant connections between pipes or tubing without the need for welding. By using controlled mechanical compression, it forms a reliable seal that prevents leakage of fluids or gases even under high-pressure operating conditions. Precision-manufactured from durable and corrosion-resistant materials, the fitting provides long-lasting performance in demanding marine and industrial environments. Its ease of installation, maintenance efficiency, and dependable sealing capability make the compression fitting an important component for maintaining system safety, operational stability, and efficient fluid handling throughout the engine.

The oval flange, code 170901, is a precision connection component used in the MAN L21/31 engine to create secure and leak-tight joints between pipes, hoses, or system interfaces operating under pressure. Its oval-shaped design allows efficient installation in confined spaces while ensuring stable load distribution and reliable sealing performance. Manufactured from high-strength, corrosion-resistant materials, the flange is engineered to withstand vibration, thermal expansion, and demanding marine or industrial operating conditions. By providing durable and accurate system connections, the oval flange contributes to safe fluid transfer, operational reliability, and long-term integrity of the engine’s piping systems.

The seal ring, code 100100, is a critical sealing element within the MAN L21/31 engine, designed to prevent fluid leakage and maintain controlled pressure conditions in various mechanical and hydraulic systems. Installed at key interfaces between moving or stationary components, it provides a reliable barrier against oil, fuel, water, or air leakage while accommodating thermal expansion and operational movement. Manufactured from durable, wear-resistant, and chemically resistant materials, the seal ring maintains its sealing properties even under high pressure, vibration, and elevated temperatures. Its role in preserving sealing integrity contributes directly to operational safety, efficient engine performance, and the long-term reliability of engine assemblies.