Dayco 87814 HVAC Heater Hose - Heater Inlet or Heater To Thermostat

Overview of Dayco Small I.D. Heater Hose 87814

The Dayco Small I.D. Heater Hose 87814 is designed for reliable HVAC system performance in select Acura and Mazda vehicles. Engineered with durable EPDM material and a protective sleeve, this hose ensures consistent heat transfer and long service life.

• Constructed from high-quality EPDM for heat and chemical resistance
• Black color with 5/8 inch inside diameter on both ends
• Single I.D. hose type with protective sleeve included
• Meets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
• Compatible with Acura RDX and Mazda 3, 6, CX-7, Protege, and Protege5 models

Detailed Product Description

The Dayco Small I.D. Heater Hose 87814 is part of the Small I.D. Heater Hose product line, which focuses on delivering precise fit and durability for 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. The hose features a consistent 5/8 inch inside diameter on both ends, ensuring proper flow and compatibility with OEM fittings. Additionally, the hose includes a protective sleeve to guard against abrasion and premature wear, although it does not contain a heat shield. It complies with SAE J20R3 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive heating systems.

Compatible Vehicles and Applications

This heater hose is compatible with various Acura and Mazda models, including the Acura RDX and Mazda 3, 6, CX-7, Protege, and Protege5. It is specifically designed to replace worn or damaged heater hoses in these vehicles, ensuring proper coolant flow to the HVAC heater core.

• Replaces cracked or leaking heater hoses
• Prevents coolant leaks that cause HVAC system failure
• Restores proper heater core function and cabin heating
• Eliminates hose swelling or softening due to heat exposure
• Addresses hose abrasion or damage from engine compartment contact

Installation Notes and Tips

When installing the Dayco Small I.D. Heater Hose 87814, ensure the vehicle is cool and the cooling system is depressurized. Verify the hose routing matches the original to avoid kinks or interference. Use appropriate clamps to secure the hose ends and check for leaks after installation. The protective sleeve should be positioned to minimize abrasion points. This hose is designed for direct replacement and requires no modifications.

Quality Assurance and Warranty

Dayco manufactures the Small I.D. Heater Hose 87814 to meet strict SAE specifications, ensuring reliable performance in automotive HVAC systems. The use of EPDM material and compliance with SAE J20R3 Class D-1 and SAE J1684 Type EC standards provide confidence in durability and heat resistance. Warranty details are subject to Dayco's standard policies and should be confirmed at the time of purchase.