Dayco Standard Heater Hose
Made for general service on light trucks and passenger cars and compatible with all common coolants and coolant additives.
Designed to carry heated coolant from the engine block to the heater core and return it to the engine, the Dayco standard heater hose is constructed with EPDM compounds and a spiral reinforcement for high burst strength and excellent heat resistance. Similar to SAE 20R3, Class D-2, it has a temperature rating of -40°F (-40°C) to +257°F (+125°C).
*NOT suitable for fuel or oil transfer