Dayco 86064 HVAC Heater Hose - Heater To Pipe-1, Heater To Valve or Intake Manifold To Heater

Overview of Dayco Small I.D. Heater Hose 86064

The Dayco Small I.D. Heater Hose 86064 is designed to provide reliable performance in HVAC systems for select Ford, Mercury, Nissan, and Toyota vehicles. Engineered with durable EPDM material, this hose ensures consistent heat transfer and resistance to automotive fluids.

• Constructed from high-quality EPDM for heat and chemical resistance
• Black single inside diameter hose with 3/4 inch ID on both ends
• Meets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
• Compatible with Ford Mustang, Pickup, Tempo; Mercury Topaz; Nissan 240SX; Toyota 4Runner and T100
• Trunk height dimension of 8 inches for precise fitment

Detailed Product Description

This Dayco Small I.D. Heater Hose 86064 is a single inside diameter hose constructed from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids. Both ends of the hose have a 3/4 inch inside diameter, making it suitable for HVAC heater core connections requiring this size. The hose does not include a heat shield or protective sleeve, focusing on straightforward, reliable function within the vehicle's heating system.

The hose complies with SAE J20R3 Class D-1 and SAE J1684 Type EC standards, ensuring it meets industry requirements for heater hoses used in automotive HVAC applications. The trunk height of 8 inches supports proper routing and fitment in the specified vehicle models.

About the Small I.D. Heater Hose Product Line

The Small I.D. Heater Hose line by Dayco specializes in single inside diameter hoses designed for HVAC systems requiring precise internal diameters. This product line focuses on delivering hoses that meet strict SAE specifications for durability and performance in heating applications. The 86064 part number is part of this line, providing a reliable replacement option for vehicles needing a 3/4 inch inside diameter hose.

Applications and Common Issues Addressed

• Replacement of cracked or leaking heater hoses in Ford Mustang and Pickup models
• Resolving coolant leaks in Mercury Topaz HVAC systems
• Maintaining proper heater core fluid flow in Nissan 240SX and Toyota 4Runner
• Preventing hose degradation due to heat and chemical exposure in Toyota T100
• Ensuring HVAC system efficiency in Ford Tempo vehicles

Installation Notes and Tips

When installing the Dayco Small I.D. Heater Hose 86064, ensure the hose is routed without kinks or sharp bends to maintain proper coolant flow. Verify that the 3/4 inch inside diameter matches the vehicle’s heater core and pipe fittings. Use appropriate clamps to secure the hose ends firmly, preventing leaks. Inspect surrounding components for wear or damage during replacement to avoid future issues.

Quality Assurance and Warranty

Dayco manufactures the Small I.D. Heater Hose 86064 to meet SAE standards, ensuring consistent quality and durability. While specific warranty details are not provided, Dayco products typically adhere to industry quality controls and are designed for long-term service in automotive HVAC systems.