The Dayco Radiator Coolant Hose is designed to keep your ride cool and running efficiently. This hose is made from EPDM rubber, providing high strength and resistance to oil, mud, salt, road debris, ozone, coolants and temperature variations. It is reinforced with knitted rayon for maximum strength and burst resistance for the life of the hoses. It is designed to meet Type EC electro-chemical requirements as specified in SAE J1684. FleetPride is your First Click in Heavy Duty®.