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Connecting rods, estimated with code E265280020 for the MAN L21/31, are vital mechanical links that transfer the reciprocating motion of pistons to the rotational motion of the crankshaft. Manufactured from high-strength forged steel alloys, these rods must withstand tremendous dynamic loads and stresses. Their precision design and durability are crucial for reliable engine operation and longevity, making them one of the core components in the L21/31’s powertrain.

The water pump in the MAN L21/31 engine, likely identified by code H27075, is a critical component of the engine’s cooling system. It circulates coolant throughout the engine block and cylinder head to dissipate heat generated during combustion. Proper functioning of the water pump is essential to prevent overheating, maintain engine efficiency, and ensure safe operation, especially under demanding marine or industrial conditions.

The oil pan, or sump, in the MAN L21/31 engine (estimated code H21420) serves as the reservoir for engine lubricating oil. It collects and stores the oil as it circulates through the engine, ensuring vital components remain properly lubricated to reduce friction and wear. Made from durable materials to withstand thermal stresses and mechanical impacts, the oil pan is essential for maintaining engine longevity and optimal performance by facilitating efficient oil circulation and cooling.

Thursday, 03 July 2025 10:49

Sealing Ring (Code Number N66068)

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The sealing ring, designated with code number N66068, is a small but essential part that ensures tight sealing between mechanical interfaces in the ASL25 engine. It prevents fluid leaks and contamination, helping to maintain system pressure and protect internal components. Made from resilient, temperature-resistant materials, this sealing ring can withstand the demanding conditions of diesel engine operation. Proper installation and timely replacement of the sealing ring are key to minimizing maintenance issues and maximizing engine lifespan.

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