Dayco 87918 HVAC Heater Hose - Heater To Pipe

Overview of Dayco Small I.D. Heater Hose 87918

The Dayco Small I.D. Heater Hose 87918 is designed for reliable HVAC system performance in Ford, Lincoln, and Mercury vehicles. This hose is engineered to meet specific fitment requirements for models like the Crown Victoria, Grand Marquis, and Town Car.

• Constructed from durable EPDM material for heat and chemical resistance
• Dual inside diameter hose with 5/8 inch and 3/4 inch ends
• Black color with protective sleeve for added durability
• Complies with SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
• Compatible with HVAC systems in select Ford, Lincoln, and Mercury models

Detailed Product Description

The Dayco Small I.D. Heater Hose 87918 is a dual inside diameter hose designed to connect different sized fittings within the HVAC heater system. Made from EPDM, this hose offers resistance to heat, ozone, and coolant chemicals, ensuring long service life. The hose features a black exterior and includes a protective sleeve to guard against abrasion and environmental damage. With an inside diameter of 5/8 inch on one end and 3/4 inch on the other, and corresponding outside diameters of 15/16 inch and 1 1/16 inch, it is engineered to fit specific OEM requirements. This hose meets SAE J20R3 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive heating and cooling applications.

About the Small I.D. Heater Hose Product Line

The Dayco Small I.D. Heater Hose product line focuses on providing precise fitment and reliable performance for HVAC systems requiring hoses with smaller inside diameters. This line addresses the need for dual inside diameter hoses that accommodate varying connection sizes within the heater system. The 87918 part is a representative component of this line, offering the necessary material properties and dimensional accuracy to maintain system integrity in Ford, Lincoln, and Mercury vehicles.

Common Applications and Problem Solving

• Replacement of worn or cracked heater hoses in Ford Crown Victoria HVAC systems
• Resolving coolant leaks caused by deteriorated heater hoses in Lincoln Grand Marquis
• Maintaining proper coolant flow in Mercury Town Car heating units
• Preventing overheating issues related to faulty heater hose connections
• Ensuring HVAC system efficiency by replacing hoses that lack protective sleeves

Installation Notes and Tips

When installing the Dayco Small I.D. Heater Hose 87918, ensure the hose is routed without kinks or sharp bends to maintain coolant flow. Verify that the hose ends match the 5/8 inch and 3/4 inch inside diameters of the vehicle’s fittings. Use appropriate clamps to secure the hose and prevent leaks. The included protective sleeve should be positioned to shield the hose from abrasion points. It is recommended to inspect adjacent components for wear during installation.

Quality Assurance and Warranty

Dayco manufactures the Small I.D. Heater Hose 87918 to meet stringent SAE specifications, including J20R3 Class D-1 and J1684 Type EC, ensuring compliance with industry standards for automotive HVAC hoses. The use of EPDM material provides resistance to heat and chemicals commonly found in vehicle cooling systems. While specific warranty details are not provided, Dayco products typically adhere to quality control processes to support reliable performance in compatible Ford, Lincoln, and Mercury models.