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The cover with splash tube, code 300100, is a multifunctional assembly within the MAN L21/31 engine that combines protective enclosure with controlled lubrication management. Designed to shield internal engine components from contamination while directing lubricating oil through the integrated splash tube, it ensures effective cooling and lubrication of critical moving parts during operation. Precision-engineered for accurate fitment and dependable sealing, the assembly is manufactured from durable and corrosion-resistant materials capable of withstanding severe thermal and mechanical stresses. By optimizing lubricant distribution and reducing uncontrolled oil dispersion, the cover with splash tube contributes to lower component wear, improved operational reliability, and a longer service life for the engine.

The round seal ring, code 100100, is a precision-engineered circular sealing element developed to ensure leak-tight connections within the MAN L21/31 engine. Its symmetrical design provides uniform contact pressure around the entire sealing surface, helping to maintain reliable sealing performance under varying temperatures and pressure conditions. Commonly used in fluid and lubrication systems, the round seal ring prevents the loss of operating media and protects internal components from contamination. Manufactured from high-quality materials selected for their resistance to wear, heat, and chemical exposure, this component plays an important role in maintaining operational stability, system reliability, and long-term engine durability.

Monday, 08 June 2026 11:08

MAN L21/31; Seal Ring (Code 136973)

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The seal ring, code 136973, is a vital sealing component used in the MAN L21/31 engine to prevent leakage and maintain controlled pressure conditions within mechanical and hydraulic systems. Installed at critical sealing interfaces, it forms a dependable barrier against the escape of oil, fuel, coolant, or air while protecting the engine from the ingress of contaminants. Designed to accommodate thermal expansion, vibration, and operational movement, the seal ring helps preserve system integrity even under demanding marine and industrial operating conditions. Manufactured from durable, wear-resistant, and chemically resistant materials, it contributes to improved engine efficiency, reduced maintenance requirements, and extended service life of essential engine assemblies.

The air branch K 67002 is an important airflow distribution component within the Sulzer ZV40/48 engine intake and charging system. Its function is to channel and distribute compressed intake air from the charge air system toward designated engine sections, supporting balanced air supply and efficient combustion. Designed to operate under elevated pressure, vibration, temperature variation, and continuous airflow, the air branch is manufactured from robust, corrosion-resistant materials capable of withstanding demanding diesel engine operating conditions. Its carefully engineered internal passage geometry minimizes turbulence and pressure losses while promoting smooth airflow. Precision-machined connection surfaces ensure secure integration and reliable sealing with adjacent intake components. By maintaining efficient air distribution and stable intake conditions, the K 67002 air branch contributes to improved engine efficiency, dependable turbocharger performance, and long-term durability of the air charging system.

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