Dayco 87877 HVAC Heater Hose - Heater To Pipe or Heater To Pipe-2

Overview of Dayco Small I.D. Heater Hose 87877

The Dayco Small I.D. Heater Hose 87877 is designed for reliable HVAC system performance in select Jeep and Mazda vehicles. Engineered with durable EPDM material, this hose ensures consistent heat transfer and resistance to automotive fluids.

• Constructed from EPDM for heat and chemical resistance
• Black single inside diameter hose with 5/8 inch I.D. on both ends
• Meets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
• Compatible with Jeep Liberty and Mazda Miata models
• Part number 87877 for precise identification and fitment

Detailed Product Description

The Dayco Small I.D. Heater Hose 87877 is a single inside diameter hose measuring 5/8 inch on both ends, with an outside diameter of 21/32 inch. Made from EPDM (ethylene propylene diene monomer), this hose offers excellent resistance to heat, ozone, and automotive fluids, making it suitable for HVAC heater core connections. The hose does not include a heat shield or protective sleeve, which is typical for this type of heater hose application. With a trunk height of 8 1/2 inches, it fits the specific routing requirements of the Jeep Liberty and Mazda Miata HVAC 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 for HVAC applications requiring smaller inside diameters. This product line ensures compatibility with OEM specifications and SAE standards, offering reliable performance in heating and cooling systems. The 87877 hose is part of this line, tailored to meet the demands of specific vehicle models such as the Jeep Liberty and Mazda Miata.

Common Applications and Problem Solving

• Replacement of worn or cracked heater hoses in Jeep Liberty and Mazda Miata HVAC systems
• Resolving coolant leaks that affect heater core performance
• Addressing hose degradation due to heat and chemical exposure
• Ensuring proper coolant flow for effective cabin heating
• Maintaining HVAC system integrity and preventing overheating

Installation Notes and Tips

When installing the Dayco Small I.D. Heater Hose 87877, ensure the hose is routed according to the vehicle manufacturer’s specifications to avoid kinks or interference with other engine components. Use appropriate clamps to secure both ends with 5/8 inch inside diameter fittings. Inspect adjacent components for wear or damage during replacement. It is recommended to drain the cooling system before removal to prevent spills and to refill and bleed the system properly after installation.

Quality Assurance and Warranty

Dayco manufactures the Small I.D. Heater Hose 87877 to meet SAE J20R3 Class D-1 and SAE J1684 Type EC standards, ensuring compliance with industry requirements for heater hoses. The EPDM material provides durability and resistance to heat and automotive fluids. Warranty coverage details should be confirmed with the original equipment manufacturer or supplier, as Dayco typically offers limited warranties on their HVAC hoses based on material and workmanship.