Rein Radiator Coolant Hose CHR0621 is a high-quality, flexible hose designed to transfer coolant from the radiator to the engine. It is constructed from a reinforced rubber material that is resistant to heat, abrasion, and corrosion and features a temperature range of -40°F to +257°F. This hose is designed to fit most domestic and import vehicles and is ideal for use in high-performance applications.