The pipe with code 2101793-2.0 is an essential fluid-transfer component within the MAN L21/31 engine, used for conveying lubricating oil, cooling water, fuel, or air between critical engine systems. Designed to withstand high pressure, temperature fluctuations, and continuous vibration, this pipe ensures reliable and uninterrupted flow under demanding operating conditions. Its precise routing and robust material selection help maintain system efficiency, reduce the risk of leaks, and support long-term engine reliability in marine and power-generation applications.