Dayco 87889 HVAC Heater Hose - Engine To Heater

Overview of Dayco Small I.D. Heater Hose 87889

The Dayco Small I.D. Heater Hose 87889 is designed for reliable HVAC system performance in Ford trucks. Specifically compatible with Ford Excursion, F-250 Super Duty, and F-350 Super Duty models, this hose ensures proper coolant flow within the heating system.

• Constructed from durable EPDM material for heat and chemical resistance
• Black single inside diameter hose with 5/8 inch inside diameter on both ends
• Meets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
• Trunk height of 30 inches for precise fitment
• Does not include heat shield or protective sleeve

Dayco Small I.D. Heater Hose Product Line Details

The Small I.D. Heater Hose line by Dayco focuses on single inside diameter hoses engineered for HVAC applications. These hoses are designed to meet strict SAE standards, providing consistent performance in heating systems. The 87889 part number is a representative product within this line, offering a balance of durability and fitment accuracy for select Ford truck models.

Detailed Product Description

This Dayco heater hose is made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals, making it suitable for HVAC heater core connections. Both ends of the hose have a 5/8 inch inside diameter, ensuring compatibility with OEM fittings on Ford Excursion, F-250 Super Duty, and F-350 Super Duty vehicles. The hose length, with a trunk height of 30 inches, supports proper routing within the engine bay without kinking or excessive bending. While it does not include a heat shield or protective sleeve, the material and construction meet SAE J20R3 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for HVAC coolant applications.

Common Applications and Issues Addressed

• Replacement of worn or cracked heater hoses in Ford Excursion and Super Duty trucks
• Resolving coolant leaks within the HVAC heater core circuit
• Preventing overheating issues caused by restricted coolant flow
• Maintaining proper heater core function for cabin heating
• Addressing hose degradation due to heat and chemical exposure

Installation Notes and Tips

When installing the Dayco Small I.D. Heater Hose 87889, ensure the hose is routed without sharp bends or twists to maintain coolant flow. Verify that the 5/8 inch inside diameter matches the vehicle’s fittings for a secure connection. Use appropriate clamps to prevent leaks and check for clearance around moving components. It is recommended to inspect adjacent hoses and components during installation for overall HVAC system integrity.

Quality Assurance and Warranty

Dayco manufactures the Small I.D. Heater Hose 87889 to meet SAE specifications, ensuring consistent quality and performance. The EPDM material provides durability against heat and chemical exposure typical in HVAC systems. While specific warranty details are not provided, Dayco products generally adhere to industry standards for reliability and fitment in Ford Excursion, F-250 Super Duty, and F-350 Super Duty vehicles.