Molded Heater Hose - 63906

Designed to transfer glycol-base coolants to and from the heater core, by-pass to the radiator, as well as through other components vehicle
SAE 20R3EC Class D1 and Class D2 specifications.
Resistant to Electrochemical Degradation (ECR)
Application: Original configurations available to assure proper fit. See the automotive and heavy-duty truck applications guides for application and part number assistance