Dayco 87688 HVAC Heater Hose

Reliable HVAC Heater Hose for Honda, Mitsubishi, and Toyota Vehicles

The Dayco Small I.D. Heater Hose 87688 is designed to provide dependable performance in your vehicle's heating system. Engineered with durable EPDM material, this hose ensures consistent heat transfer and resistance to automotive fluids, making it suitable for select Honda, Mitsubishi, and Toyota models.

Key Features of Dayco Small I.D. Heater Hose 87688

• Constructed from high-quality EPDM material for heat and chemical resistance
• Black color for easy identification and compatibility
• 5/8 inch inside diameter on both ends for uniform fit
• Single I.D. hose type designed for efficient coolant flow
• Meets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
• Trunk height of 18 inches suitable for various HVAC applications

About the Dayco Small I.D. Heater Hose Product Line

The Small I.D. Heater Hose line by Dayco focuses on providing precise diameter hoses that meet strict SAE standards for automotive heating systems. This product line emphasizes durability and compatibility with OEM specifications, ensuring reliable operation in heating and cooling circuits. The 87688 part number is a representative component within this line, tailored for specific vehicle fitments requiring a 5/8 inch inside diameter hose.

Detailed Product Description

The Dayco 87688 heater hose is manufactured from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids. This hose features a consistent 5/8 inch inside diameter on both ends, making it a single I.D. hose suitable for HVAC systems in vehicles such as the Honda Accord and Prelude, Mitsubishi Eclipse and Galant, and Toyota Tacoma and Endeavor. It complies with SAE J20R3 Class D-1 and SAE J1684 Type EC standards, ensuring it meets industry requirements for durability and performance. The hose’s 18-inch trunk height provides adequate length for installation in various engine compartments without the need for modification.

Common Applications and Issues Addressed

• Replacement of worn or cracked heater hoses in Honda Accord and Toyota Tacoma heating systems
• Resolving coolant leaks caused by deteriorated Mitsubishi Eclipse heater hoses
• Maintaining proper coolant flow in HVAC systems of Toyota Endeavor and Mitsubishi Galant
• Preventing overheating issues related to faulty heater hose connections
• Ensuring consistent cabin heating performance in Honda Prelude vehicles

Installation Notes and Tips

• Verify hose inside diameter matches the vehicle’s OEM specifications before installation
• Inspect hose routing to avoid contact with sharp edges or moving parts
• Use appropriate clamps to secure hose ends and prevent leaks
• Ensure the hose length (18 inches) fits the intended application without stretching or kinking
• Replace any damaged clamps or fittings during installation for optimal performance

Quality Assurance and Warranty Information

Dayco’s Small I.D. Heater Hose 87688 is manufactured to meet SAE standards, ensuring consistent quality and reliability. While specific warranty details are not provided, Dayco products typically undergo rigorous testing to comply with automotive industry requirements. For warranty information, refer to Dayco’s official documentation or contact the vehicle manufacturer.