Dayco 86079 HVAC Heater Hose - Heater Outlet

Overview of Dayco Small I.D. Heater Hose 86079

The Dayco Small I.D. Heater Hose 86079 is designed specifically for HVAC systems in Ford Aerostar vehicles. Engineered with durable EPDM material, this dual inside diameter hose ensures reliable performance in heating applications.

• Constructed from EPDM for heat and chemical resistance
• Dual inside diameters: 3/4 inch and 63/64 inch ends
• Meets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
• Black color for standard OEM appearance
• Trunk height dimension of 43 for proper fitment
• Compatible with Ford Aerostar HVAC systems

Dayco Small I.D. Heater Hose Product Line Details

The Small I.D. Heater Hose line by Dayco focuses on providing hoses with precise inside diameters tailored for specific HVAC applications. This product line emphasizes compliance with SAE standards to ensure durability and compatibility with factory systems. The 86079 hose is part of this line, offering a dual inside diameter design to accommodate varying connection points within the Ford Aerostar heating system.

Technical Description and Specifications

The Dayco 86079 heater hose is manufactured from EPDM, a synthetic rubber known for its resistance to heat, ozone, and automotive fluids. The hose features two different inside diameters—3/4 inch on one end and 63/64 inch on the other—allowing it to connect securely to different HVAC components. It does not include a heat shield or protective sleeve, which is typical for this hose type. The hose complies with SAE J20R3 Class D-1 and SAE J1684 Type EC standards, ensuring it meets industry requirements for heater hoses. Its black color matches OEM specifications, and the trunk height of 43 ensures proper routing within the vehicle.

Applications and Common Issues Addressed

• Replacement of worn or cracked heater hoses in Ford Aerostar HVAC systems
• Resolving coolant leaks caused by hose degradation
• Restoring proper heater core function by ensuring secure hose connections
• Preventing overheating issues related to faulty heater hoses
• Maintaining HVAC system integrity during vehicle operation

Installation Notes and Tips

When installing the Dayco Small I.D. Heater Hose 86079, ensure the correct orientation of the dual inside diameters to match the vehicle’s HVAC fittings. Inspect all connection points for corrosion or damage before installation. Use appropriate clamps to secure the hose ends and verify there are no kinks or sharp bends that could restrict coolant flow. It is recommended to replace any associated clamps or seals during installation to maintain a leak-free system.

Quality Assurance and Warranty

Dayco manufactures the 86079 heater hose to meet strict SAE specifications, ensuring consistent quality and durability. While specific warranty details are not provided, Dayco products typically adhere to industry standards for reliability in automotive HVAC applications. Users should consult product documentation or contact the manufacturer for warranty information.