Dayco 87755 HVAC Heater Hose - Heater Inlet or Heater To Intake Manifold

Overview of Dayco Small I.D. Heater Hose 87755

The Dayco Small I.D. Heater Hose 87755 is designed for reliable HVAC system performance in Ford vehicles. Engineered with durable EPDM material, this hose ensures consistent heat transfer and resistance to automotive fluids, making it suitable for Ford Expedition, F-150, and F-250 models.

• Constructed from EPDM for heat and chemical resistance
• Black single inside diameter hose with 23/32 inch ends
• Meets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
• Compatible with Ford Expedition, F-150, and F-250 HVAC systems
• Part number 87755 for precise replacement

Details on the Small I.D. Heater Hose Product Line

The Small I.D. Heater Hose line by Dayco focuses on single inside diameter hoses designed to meet specific HVAC requirements. This product line emphasizes compliance with SAE standards such as J20R3 Class D-1 and J1684 Type EC, ensuring durability and proper fitment. The 87755 hose is a part of this line, providing a reliable solution for heating system connections in select Ford trucks and SUVs.

Technical Description and Specifications

This HVAC heater hose features a uniform inside diameter of 23/32 inches on both ends, facilitating straightforward installation and compatibility with OEM fittings. The EPDM material offers resistance to heat, ozone, and automotive fluids, which is critical for maintaining HVAC system integrity. The hose does not include a heat shield or protective sleeve, reflecting its design for standard heating applications without additional insulation requirements. With a trunk height of 11, it fits securely within the engine compartment layout of compatible Ford models.

Applications and Common HVAC Issues Addressed

• Replacement of worn or cracked heater hoses in Ford Expedition, F-150, and F-250
• Resolving coolant leaks affecting HVAC heating performance
• Restoring proper coolant flow to the heater core
• Preventing overheating issues related to faulty heater hoses
• Maintaining HVAC system efficiency and cabin comfort

Installation Notes and Tips

Ensure the engine is cool before removing the old heater hose to avoid burns. Verify the inside diameter matches the OEM specifications—23/32 inches for both ends—to guarantee a proper seal. Use appropriate clamps to secure the hose and check for leaks after installation. The absence of a heat shield means routing should avoid direct contact with high-temperature engine components.

Quality Assurance and Warranty Information

Dayco manufactures the Small I.D. Heater Hose 87755 to meet SAE J20R3 Class D-1 and SAE J1684 Type EC standards, ensuring consistent quality and performance. While specific warranty details are not provided, Dayco products typically adhere to industry standards for durability and reliability in automotive HVAC applications.