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- ACDelco Professional, premium aftermarket Formable Coolant Hoses will bend in almost any direction, replicating the angles and planes of a wide variety of GM OE coolant hoses for quick and easy replacement. They are composed of specially blended materials to help resist electrochemical degradation (ECD), the leading cause of hose failure. ACDelco Professional Formable Coolant Hoses have a high temperature rating of up to 257 degrees Fahrenheit (125 degrees Celsius) and come in popular car and light truck sizes, including dual diameters. Do not use for fuel or oil transfer applications. These premium aftermarket replacement formable coolant hoses are manufactured to meet your expectations for fit, form, and function. ? WARNING: Cancer and Reproductive Harm - https://www.P65Warnings.ca.gov
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