Dayco 87876 HVAC Heater Hose - Heater To Engine or Valve To Engine

Overview of Dayco Small I.D. Heater Hose 87876

The Dayco Small I.D. Heater Hose 87876 is designed for reliable HVAC system performance in select Honda and Isuzu 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 ID on both ends
• Meets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
• Compatible with Honda CR-V and Isuzu Pickup and Trooper models
• Trunk height dimension of 7 inches for precise fitment

Detailed Product Description

The Dayco Small I.D. Heater Hose 87876 is part of the Small I.D. Heater Hose product line, which focuses on providing high-quality heater hoses with smaller inside diameters suitable for specific HVAC applications. This hose is made from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids, making it suitable for heater core connections in vehicle HVAC systems. Both ends of the hose have a 5/8 inch inside diameter, ensuring compatibility with corresponding fittings in the HVAC system. The hose does not include a heat shield or protective sleeve, which is typical for this type of single inside diameter hose designed for controlled environments within the engine bay.

Compatible Vehicles and Applications

This heater hose is compatible with the following vehicles:

• Honda CR-V models requiring a 5/8 inch heater hose
• Isuzu Pickup models with matching HVAC hose specifications
• Isuzu Trooper models needing a reliable heater hose replacement

It is intended for use in HVAC systems to facilitate coolant flow to and from the heater core, maintaining cabin heating functionality.

Common Issues Addressed by This Heater Hose

• Leaking or cracked heater hoses causing coolant loss
• Reduced heater core efficiency due to hose degradation
• Swelling or softening of old hoses from heat exposure
• Incorrect hose diameter causing poor fit or leaks
• Failure to meet SAE specifications leading to premature wear

Installation Notes and Tips

When installing the Dayco Small I.D. Heater Hose 87876, ensure the hose is routed without kinks or sharp bends to maintain proper coolant flow. Verify that both ends fit securely on the heater core and engine fittings with the 5/8 inch inside diameter. It is recommended to inspect clamps and replace them if corroded or damaged to prevent leaks. Avoid using hoses with heat shields or protective sleeves if not specified, as this hose is designed without these features.

Quality Assurance and Warranty

Dayco manufactures the Small I.D. Heater Hose 87876 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 against heat and chemical exposure typical in automotive HVAC systems. Warranty details should be confirmed with the original equipment manufacturer or distributor, as Dayco products generally come with limited warranties covering defects in material and workmanship.