ACDelco Professional premium aftermarket 90 Degree Molded Heater Hoses are specially designed for difficult heater hose applications requiring sharp 90 degree bends in the hose. They are composed of specially blended materials to help resist electrochemical degradation (ECD) the leading cause of hose failure. ACDelco Professional 90 Degree Molded Heater Hoses are temperature rated from -40 degrees Fahrenheit to 275 degrees Fahrenheit (-40 degrees Celsius to 135 degrees Celsius) and stop the need for an extensive inventory of GM OE style curved heater hoses. Do not use for fuel or oil transfer applications. These premium aftermarket replacement 90 degree molded heater hoses are manufactured to meet your expectations for fit form and function.