Dayco 86090 HVAC Heater Hose - Filler Reservoir To Radiator or Valve To Water Pump

Overview of Dayco Small I.D. Heater Hose 86090

The Dayco Small I.D. Heater Hose 86090 is designed for reliable HVAC system performance in select Chevrolet, GMC, and Pontiac vehicles. Engineered with durable EPDM material, this hose ensures consistent heat transfer and long service life in automotive heating applications.

• Constructed from EPDM for heat and chemical resistance
• Black color for standard OEM appearance
• Single inside diameter hose with 23/32 inch ends
• Includes protective sleeve for added durability
• Meets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
• Trunk height dimension of 28 inches

Detailed Product Description

The Dayco Small I.D. Heater Hose 86090 belongs to the Small I.D. Heater Hose product line, which focuses on providing precise fit and reliable performance for HVAC systems in various vehicle models. This hose is made from EPDM (ethylene propylene diene monomer) rubber, known for its excellent resistance to heat, ozone, and automotive fluids, making it suitable for heater core connections. The hose features a consistent inside diameter of 23/32 inches on both ends, ensuring a secure and leak-free fit. Additionally, it includes a protective sleeve to guard against abrasion and premature wear, although it does not contain a heat shield. The hose complies with SAE J20R3 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive heating and cooling applications.

Compatible Vehicles and Applications

This HVAC heater hose is compatible with specific Chevrolet, GMC, and Pontiac models, including the Chevrolet Astro and Malibu, GMC Safari, and Pontiac G6. It is designed to replace worn or damaged heater hoses in these vehicles, restoring proper coolant flow to the heater core and maintaining cabin heating efficiency.

• Replaces cracked or leaking heater hoses
• Prevents coolant leaks in the HVAC system
• Restores proper heater core function
• Eliminates overheating issues related to heater hose failure
• Prevents contamination from external debris with protective sleeve

Installation Notes and Tips

When installing the Dayco Small I.D. Heater Hose 86090, ensure the vehicle is cool and the cooling system is depressurized. Verify the hose ends match the 23/32 inch inside diameter fittings on your vehicle. Use appropriate clamps to secure the hose and check for any signs of wear or damage on adjacent components. The protective sleeve should be positioned to minimize abrasion during operation. Proper installation will help maintain HVAC system integrity and prevent leaks.

Quality Assurance and Warranty

Dayco manufactures the Small I.D. Heater Hose 86090 to meet stringent SAE specifications, ensuring durability and performance in automotive heating systems. While specific warranty details are not provided, Dayco products typically adhere to industry standards for quality and reliability. For best results, use this hose as a direct replacement part for compatible Chevrolet, GMC, and Pontiac models.