A20384 New Lower Radiator Hose Fits Case-IH Tractor Models 700 730 800 830One New Aftermarket Replacement Lower Radiator Hose Fits Case Fits Case IH Tractors This lower radiator hose is a direct fit replacement for the cooling system on Fits Case and Fits Case IH tractors in the 700, 730, 800, and 830 series. The hose routes coolant from the radiator to the engine, helping regulate operating temperature and prevent overheating. Fits Case used the same molded lower radiator hose design across the 700, 730, 800, and 830