Dayco 87679 HVAC Heater Hose

Overview of Dayco Small I.D. Heater Hose 87679

The Dayco Small I.D. Heater Hose 87679 is designed for reliable HVAC system performance in select Acura, Dodge, Ford, and Mitsubishi vehicles. This hose provides a durable and precise fit for models such as the Ford F-150, Dodge Avenger, and Acura RSX, ensuring efficient heater core operation.

• Constructed from EPDM material for heat and chemical resistance
• Black single inside diameter hose with 5/8 inch ID on both ends
• Meets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
• Trunk height of 10 inches for proper routing and fitment
• Compatible with multiple vehicle models including Ford Bronco and Mitsubishi Van

Detailed Product Description

The Dayco Small I.D. Heater Hose 87679 is engineered from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids. This hose features a consistent 5/8 inch inside diameter on both ends, making it suitable for HVAC heater core connections requiring a single inside diameter hose. It does not include a heat shield or protective sleeve, which is typical for this hose type and application. The hose complies with SAE J20R3 Class D-1 and SAE J1684 Type EC standards, ensuring it meets industry requirements for durability and performance in heating and cooling systems.

About the Small I.D. Heater Hose Product Line

The Small I.D. Heater Hose line from Dayco focuses on providing precise diameter hoses designed specifically for HVAC applications requiring smaller inside diameters. This product line emphasizes material quality and compliance with SAE specifications to support reliable heater core connections in a variety of vehicle makes and models. The 87679 part is a representative example, offering a balance of flexibility and durability without additional protective features.

Common Applications and Issues Addressed

• Replacement of worn or cracked heater hoses in Ford F-150 and F-250 models
• Resolving coolant leaks in the HVAC system of Dodge Avenger and Mitsubishi Van
• Maintaining proper heater core flow in Acura RSX and Ford Bronco vehicles
• Preventing overheating issues caused by degraded heater hoses
• Ensuring consistent cabin heating performance in E-150 Econoline and E-250 Econoline Club Wagon

Installation Notes and Tips

When installing the Dayco Small I.D. Heater Hose 87679, ensure the hose is routed without sharp bends or kinks to maintain proper coolant flow. Verify that the 5/8 inch inside diameter matches the vehicle’s heater core and pipe fittings. Use appropriate clamps to secure the hose ends and check for leaks after installation. This hose does not include a heat shield or protective sleeve, so avoid contact with high-temperature engine components during installation.

Quality Assurance and Warranty

Dayco manufactures the Small I.D. Heater Hose 87679 to meet SAE J20R3 Class D-1 and SAE J1684 Type EC standards, ensuring consistent quality and performance. While specific warranty details are not provided, Dayco products typically adhere to industry quality controls and are designed for long-term durability in HVAC applications.