Cummins C3975597 Straight Hose Assembly

The Cummins C3975597 is a standard straight hose designed for fluid conveyance within Cummins diesel engine systems. Constructed from high-temperature resistant rubber compounds reinforced with synthetic textile plies, it withstands engine coolant, fuel, or lubricating oil exposure under cyclic pressure and thermal loads. This component serves as a direct OEM replacement for part numbers 3975597 and C3975597. It is engineered to fit Cummins 6C8.3, 6CTA8.3, ISBE, ISB5.9, L8.9, L121, 6L9.3, L9.3, 6LT9.3, and 6LTAA9.3 engine platforms. Applications span construction machinery such as hydraulic excavators, commercial trucks, marine propulsion units, and industrial generator sets. The hose ensures sealing integrity and flow efficiency at designated connection points within the engine cooling, fuel, or lubrication circuits.