The hose connection, code 135922, is an essential interface component that enables secure and leak-free linkage between flexible hoses and rigid piping systems within the MAN L21/31 engine. Engineered for precise fit and reliable sealing, it ensures efficient transfer of fluids such as cooling water, lubricating oil, or air under varying pressure and temperature conditions. Constructed from high-quality materials resistant to corrosion and mechanical wear, the hose connection maintains its integrity over long service intervals. By providing a dependable connection point and accommodating system flexibility, this component contributes to operational efficiency, system safety, and the durability of the engine installation.