Dayco 87614 HVAC Heater Hose

Overview of Dayco Small I.D. Heater Hose 87614

The Dayco Small I.D. Heater Hose 87614 is designed for reliable HVAC system performance in a variety of vehicles. Engineered with durable EPDM material, this dual inside diameter hose supports efficient heater core operation in select Buick, Ford, Chevrolet, and other models.

• Constructed from EPDM for heat and chemical resistance
• Dual inside diameters: 5/8 inch and 3/4 inch ends
• Meets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
• Black color for standard OEM appearance
• Trunk height of 18 inches for proper fitment
• Compatible with multiple makes and models including Ford F-150, Chevrolet Aveo, and Pontiac Grand Am

Detailed Product Description

The Dayco Small I.D. Heater Hose 87614 is a dual inside diameter hose constructed from EPDM (ethylene propylene diene monomer) rubber, known for its excellent resistance to heat, ozone, and automotive fluids. This hose features a 5/8 inch inside diameter on one end and a 3/4 inch inside diameter on the other, allowing it to connect different HVAC components securely. It 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 systems. The hose is black in color and measures 18 inches in trunk height, making it suitable for a range of vehicle applications.

The Small I.D. Heater Hose product line by Dayco focuses on providing hoses with smaller inside diameters tailored for specific HVAC system needs. This line is engineered to maintain proper coolant flow and temperature control within the heater core circuit, supporting consistent cabin heating performance. The 87614 part is a representative component of this line, designed to fit various domestic and import vehicles.

Compatible Vehicles and Applications

This heater hose is compatible with a wide range of vehicles, including but not limited to:

• Buick Century, LeSabre, and Regal models
• Ford F-150, F-250, and Bronco
• Chevrolet Aveo, Montana, and Silverado
• Pontiac Grand Am and Sunfire
• Saturn Vue and Relay
• Other makes such as Cadillac, Chrysler, Dodge, Mercury, Oldsmobile, Plymouth, Suzuki

Common Issues Addressed by Dayco 87614 Heater Hose

• Heater core leaks due to cracked or deteriorated hoses
• Reduced heater performance from restricted coolant flow
• Coolant leaks causing engine overheating risks
• Hose swelling or softening from heat exposure
• Replacement of worn or damaged OEM heater hoses

Installation Notes and Tips

• Ensure the hose ends match the 5/8 inch and 3/4 inch fittings on your vehicle
• Inspect surrounding components for wear or damage during replacement
• Use proper clamps to secure hose ends and prevent leaks
• Verify coolant system pressure and refill coolant after installation
• Consult vehicle-specific service manual for detailed routing and torque specifications

Quality Assurance and Warranty

Dayco manufactures the Small I.D. Heater Hose 87614 to meet SAE industry standards, ensuring durability and performance in automotive HVAC systems. While specific warranty details are not provided, Dayco products typically adhere to strict quality control processes to maintain reliability. For warranty information, refer to Dayco’s official documentation or contact authorized distributors.