Dayco 80309 Molded Heater Hose

The Dayco 80309 is a precision-molded heater hose designed to provide reliable coolant circulation in automotive heating systems. This direct-fit replacement hose features the same bends and routing as the original equipment assembly for accurate installation without modifications.

Construction and Materials:

• Synthetic EPDM rubber construction for superior durability and chemical resistance
• Knitted reinforcement provides maximum strength and burst resistance
• Resists oil, salt, mud, road debris, ozone, and various coolant formulations
• Temperature range: -40°F to +257°F (-40°C to +125°C)

Quality Standards:

• Meets SAE J20R3, Class D-1 requirements
• Complies with SAE J1684 Type EC electro-chemical specifications to prevent inner tube deterioration from static electric charge buildup
• Quick-connect end design allows for fast and convenient installation

This molded heater hose delivers OE-quality performance and long service life, making it an excellent choice for professional technicians and DIY mechanics replacing worn or damaged heater hoses.