Heater hose - Insulone®
Designed for use in cold climate applications where efficient heat transfer is important for comfortable and cost-effective operation of the vehicle.
This premium Dayco Insulone Heater Hose delivers heated coolant to the heater core with minimal heat loss. The synthetic EPDM rubber compounds and spiral reinforcement gives this hose excellent burst strength, heat resistance and compatibility with all common coolants and coolant additives. A special compound used in the insulating layer provides an added measure of protection against heat loss. Built with a black cover, this hose is similar to SAE 20R3, Class D-2 with a temperature range of -40°F (-40°C) to +257°F +125°C).
Note: NOT suitable for fuel or oil transfer.
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