Dayco Standard Heater Hoses

5.0 out of 5 stars 41 Customer Reviews

Dayco standard heater hoses carry the heated coolant from the engine block to the heater core under the dashboard, and return it to the engine. They're made for gen

Dayco standard heater hoses carry the heated coolant from the engine block to the heater core under the dashboard, and return it to the engine. They're made for general service on light trucks and passenger cars. The ultra-durable hoses are constructed using all EPDM compounds, with spiral reinforcement for high burst strength and heat resistance of -40 degrees F (-40 degrees C) to +257 degrees F (+125 degrees C). These black cover hoses are similar to the SAE 20R3, Class D-2, and are specifically designed to be compatible with all common coolants and coolant additives. However, they are not suitable for fuel or oil

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