Dayco 87642 HVAC Heater Hose

Reliable HVAC Heater Hose for Select Vehicle Models

The Dayco Small I.D. Heater Hose 87642 is engineered to provide dependable performance in your vehicle's heating system. Designed with durable EPDM material and dual inside diameters, this hose supports efficient coolant flow for various makes and models including Cadillac SRX, Ford Taurus, and Toyota Camry.

• Constructed from high-quality EPDM for heat and chemical resistance
• Dual inside diameters: 5/8 inch and 3/4 inch for versatile fitment
• Meets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
• Black color for standard OEM appearance
• Trunk height of 19 1/4 inches for precise installation
• Compatible with multiple vehicle makes and models

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

The Small I.D. Heater Hose line by Dayco focuses on delivering hoses with smaller inside diameters tailored for specific HVAC applications. This product line ensures compatibility with a range of vehicles requiring dual inside diameter hoses, providing reliable coolant transfer without the need for additional protective sleeves or heat shields.

Detailed Product Description

The Dayco 87642 heater hose is a dual inside diameter hose constructed from EPDM, a synthetic rubber known for its resistance to heat, ozone, and automotive fluids. The 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 efficiently. It complies with SAE J20R3 Class D-1 and SAE J1684 Type EC standards, ensuring it meets industry requirements for heater hoses. The hose is black in color and measures 19 1/4 inches in trunk height, making it suitable for precise fitment in vehicles such as the Lincoln Continental, Mercury Cougar, and Saab 9-4X.

Common Applications and Issues Addressed

• Replacement of worn or cracked heater hoses in Cadillac SRX and Ford Taurus HVAC systems
• Resolving coolant leaks caused by deteriorated hoses in Honda Crosstour and Toyota Camry
• Maintaining proper coolant flow to prevent heater core malfunctions in Lincoln Continental and Mercury Sable
• Ensuring HVAC system integrity in Saab 9-4X and Ford Thunderbird models
• Addressing hose compatibility issues with dual inside diameter connections

Installation Notes and Tips

When installing the Dayco Small I.D. Heater Hose 87642, ensure the hose is routed without kinks or sharp bends to maintain coolant flow. Verify the correct orientation of the dual inside diameters to match the vehicle’s HVAC fittings. Use appropriate clamps to secure the hose ends firmly, preventing leaks. It is recommended to inspect adjacent components for wear during replacement to avoid future HVAC system issues.

Quality Assurance and Warranty

Dayco manufactures the Small I.D. Heater Hose 87642 to meet stringent SAE specifications, ensuring durability and performance under typical automotive operating conditions. While specific warranty details are not provided, Dayco products are generally backed by quality standards consistent with OEM requirements.