Designed for long life in heavy duty applications, this tough, reinforced Dayco Heavy Duty Silicone Radiator Hose resists aging from heat, chemicals, oils, and other elements that attack hoses in heavy duty applications. When installed properly with special silicone clamps, this hose will give up to six times longer service life than ordinary coolant hose. Dayco's silicone radiator hose meets the requirements of SAE J20R1, Class A, standard wall construction, and has a temperature rating of -40 Degree F (-40 Degree C) to +350 Degree F (+175 Degree C). Note: This hose is NOT suitable for fuel or oil transfer. Product Features:When installed properly with special silicone clamps, this hose will give up to six times longer service life than ordinary coolant hoseThis silicone radiator hose has excellent resistance to aging from heat, chemicals, oils, and other elements that attack standard rubber coolant hoses in heavy duty applicationsMeets the requirements of SAE J20R1, Class A, standard wall constructionHas a temperature range of -40 Degree F (-40 Degree C) to +350 Degree F (+175 Degree C)