The YNF12649 Radiator Upper Hose is designed for Caterpillar E330C excavators to ensure reliable coolant flow from the engine to the radiator. Manufactured from high-quality reinforced rubber, this hose offers excellent resistance to high temperature, pressure, coolant chemicals, oil contamination, and engine vibration.
Its reinforced structure prevents cracking, deformation, and collapse under heavy-duty working conditions. Produced according to OEM specifications, YNF12649 provides accurate fitment and fast, direct installation. It is an ideal aftermarket replacement for routine maintenance, cooling system repair, and engine overhaul, helping prevent overheating and extend engine service life.