The water outlet tube is a critical coolant pathway component in Cummins engines, connecting the cylinder head to the radiator or heat exchanger. A poor fit here causes leaks, overheating, and downtime. That’s why we supply fully compatible, OEM-grade water outlet tubes across B, C, L, ISX, QSK, QSM, and QSB series. Whether you’re servicing a marine engine, generator set, excavator... https://joz-engine.com/cpr-water-outlet-tube/