The YNF03013 Radiator Upper Hose is designed for Hitachi EX300-5 excavators, serving as the coolant inlet hose from the engine to the radiator. It ensures efficient coolant flow, stabilizes engine temperature, and prevents overheating during continuous operation.
Manufactured from premium reinforced rubber, the hose offers excellent resistance to high temperature, internal pressure, coolant corrosion, oil exposure, and engine vibration. Produced according to OEM specifications, YNF03013 provides accurate fitment, reliable sealing, and long service life. Ideal for cooling system maintenance, radiator repair, and engine overhaul.