The YNF12647 Radiator Upper Hose is designed for Caterpillar E330D excavators to ensure reliable coolant flow from the engine to the radiator. Manufactured from high-quality reinforced rubber, this hose provides excellent resistance to high temperature, pressure, coolant chemicals, oil, and engine vibration.
Its reinforced construction prevents cracking, deformation, or collapse during heavy-duty operation. Produced according to OEM specifications, YNF12647 ensures accurate fitment and quick, direct installation without modification. It is an ideal aftermarket replacement for routine maintenance, cooling system repair, and engine overhaul, helping reduce overheating risk and extend engine service life.