Dayco 86817 HVAC Heater Hose

Overview of Dayco Small I.D. Heater Hose 86817

The Dayco Small I.D. Heater Hose 86817 is designed for reliable HVAC system performance in various vehicle models. Engineered with durable EPDM material, this black single inside diameter hose ensures consistent heat transfer and fluid flow for your Chevrolet, Nissan, Toyota, Volkswagen, and INFINITI vehicles.

• Constructed from high-quality EPDM for heat and chemical resistance
• Black color for easy identification and compatibility
• 5/16 inch inside diameter on both ends for uniform fit
• Meets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
• Single I.D. hose type suitable for HVAC heater core connections
• Trunk height of 7-1/2 inches for proper routing

Detailed Product Description

The Dayco Small I.D. Heater Hose 86817 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 coolant chemicals, making it ideal for heater core connections in automotive HVAC systems. Both ends of the hose have a 5/16 inch inside diameter, ensuring a consistent and secure fit on compatible fittings. The hose complies with SAE J20R3 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive heating and cooling systems. Its black color and single I.D. hose design simplify installation and maintenance.

Compatible Vehicles and Applications

This heater hose is compatible with a range of vehicles, including Chevrolet Pickup and Prizm, Nissan Altima and Maxima, Toyota 4Runner, Volkswagen Golf and Jetta, and INFINITI I30 models. It is specifically designed to replace worn or damaged heater hoses in these vehicles, ensuring proper coolant flow to the heater core and maintaining cabin heating efficiency.

• Replaces cracked or leaking heater hoses
• Prevents coolant leaks that cause engine overheating
• Restores proper heater core function for consistent cabin heat
• 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 86817, ensure the engine is cool and the cooling system is depressurized. Verify the 5/16 inch inside diameter matches your vehicle’s fittings. Use proper clamps to secure the hose ends and check for any kinks or sharp bends that could restrict coolant flow. Inspect adjacent components for wear or damage during installation to maintain overall HVAC system integrity.

Quality Assurance and Warranty

Dayco manufactures the Small I.D. Heater Hose 86817 to meet stringent SAE specifications, ensuring durability and performance in demanding automotive environments. While specific warranty details are not provided, Dayco products typically adhere to industry standards for quality and reliability, supporting long-term HVAC system operation.