Continental Elite Molded Radiator Hoses are designed to transfer glycol-based coolants to and from the heater core, by-pass to the radiator, as well as through other components in the vehicle's coolant system. Original configurations available to ensure proper fit. Features EPDM tube and cover with synthetic knit reinforcement, and is compatible with most coolants including ethylene glycol- and propylene glycol-based coolants, as well as organic acid modified, long-life coolants. Meets or exceeds SAE 20R3EC Class D1 and Class D2 specifications as well as many original equipment specifications. Resistant to Electrochemical Degradation (ECR). ID Range: 1/4-inches to 1-3/8-inches and includes intersect hose configurations. Temperature range: -40F to 275F (-40C to 135C). Not for use in fuel or oil transfer applications.