Dayco 87866 HVAC Heater Hose - Valve To Engine

Overview of Dayco Small I.D. Heater Hose 87866

The Dayco Small I.D. Heater Hose 87866 is designed for reliable HVAC system performance in select Acura, Ford, Honda, and Mazda vehicles. Engineered with durable EPDM material, this black single inside diameter hose ensures consistent heat transfer and fluid flow for your vehicle's heating system.

• Constructed from high-quality EPDM for heat and chemical resistance
• Black color for standard OEM appearance
• 5/8 inch inside diameter on both ends for precise fitment
• Complies with SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
• Single inside diameter hose type for straightforward installation
• Trunk height of 14 1/2 inches suitable for various HVAC routing

Detailed Product Description

The Dayco Small I.D. Heater Hose 87866 is part of the Small I.D. Heater Hose product line, which focuses on delivering reliable heater hoses with precise inside diameters for efficient HVAC system operation. This hose is made from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids, making it suitable for long-term use in heating systems. The hose features a consistent 5/8 inch inside diameter on both ends, ensuring compatibility with OEM fittings and maintaining proper coolant flow. It meets SAE J20R3 Class D-1 and SAE J1684 Type EC standards, confirming its compliance with industry requirements for heater hoses. The black color matches typical OEM specifications, providing a clean and professional appearance under the hood.

Compatible Vehicles and Applications

This heater hose is compatible with a range of Acura, Ford, Honda, and Mazda models, including but not limited to the Acura Integra and RDX, Ford Focus, Ranger, and Tribute, Honda Civic, Civic del Sol, and CR-V, as well as Mazda 3, 3 Sport, 5, 6, and B2300. The Dayco 87866 heater hose is designed to replace worn or damaged hoses in these vehicles' HVAC systems, ensuring proper heater core function and cabin heating performance.

• Replaces cracked or leaking heater hoses
• Prevents coolant leaks that can cause engine overheating
• Restores proper heater core coolant flow for effective cabin heating
• Eliminates hose collapse or blockage issues
• Addresses hose deterioration from heat and chemical exposure

Installation Notes and Tips

When installing the Dayco Small I.D. Heater Hose 87866, ensure the vehicle is cool and the cooling system is depressurized. Verify the hose length and inside diameter match the original equipment specifications. Use appropriate clamps to secure the hose ends and check for leaks after installation. Avoid twisting or kinking the hose during installation to maintain proper coolant flow.

Quality Assurance and Warranty

Dayco manufactures the Small I.D. Heater Hose 87866 to meet strict SAE standards, ensuring durability and performance in automotive HVAC systems. While specific warranty details are not provided, Dayco products typically come with manufacturer-backed quality assurance to support reliable operation in compatible Acura, Ford, Honda, and Mazda vehicles.