Dayco 87699 HVAC Heater Hose

Reliable HVAC Heater Hose for Select Vehicle Models

The Dayco Small I.D. Heater Hose 87699 is engineered to meet the specific needs of various Buick, Chevrolet, Chrysler, Dodge, Nissan, Oldsmobile, Plymouth, and Pontiac vehicles. Designed with durable EPDM material and a consistent 5/8 inch inside diameter, this hose ensures efficient heater core performance and reliable coolant flow.

• Constructed from high-quality EPDM rubber for heat and chemical resistance
• Black single inside diameter hose with 5/8 inch ends for consistent fitment
• Meets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
• Compatible with multiple makes and models including Chevrolet Camaro, Dodge Caravan, Nissan Pathfinder, and Pontiac Firebird
• Trunk height of 7 inches for precise installation

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

The Small I.D. Heater Hose line by Dayco focuses on providing single inside diameter hoses designed for HVAC systems in a range of domestic and import vehicles. This product line emphasizes compliance with SAE standards to ensure durability and proper coolant flow within heating systems. The 87699 part number is a representative example, offering a reliable replacement hose for various applications requiring a 5/8 inch inside diameter.

Product Details and Specifications

This HVAC heater hose is made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals, making it suitable for long-term use in automotive heating systems. Both ends of the hose have a 5/8 inch inside diameter, providing a uniform connection that fits securely on heater core and engine fittings. The hose does not include a heat shield or protective sleeve, which is typical for this type of single I.D. hose. It meets SAE J20R3 Class D-1 and SAE J1684 Type EC standards, ensuring it adheres to industry requirements for heater hoses.

Compatible Vehicles and Common Applications

• Replacement heater hose for Buick Century, Skylark, and Regal models
• Fits Chevrolet Camaro and Celebrity HVAC systems
• Suitable for Chrysler Town & Country and Dodge Caravan heating circuits
• Compatible with Nissan Pathfinder and D21 heater core connections
• Applicable to Oldsmobile Cutlass Ciera and Pontiac Firebird heater hose replacements

Installation Notes and Tips

When installing the Dayco 87699 heater hose, ensure the engine is cool to prevent burns from hot coolant. Verify the hose length and inside diameter match the original equipment specifications. Use proper clamps to secure the hose ends and check for leaks after installation. Avoid twisting or kinking the hose during installation to maintain coolant flow integrity.

Quality Assurance and Warranty

Dayco manufactures the Small I.D. Heater Hose 87699 to meet strict SAE standards, providing reliable performance in automotive HVAC systems. While specific warranty details are not provided, Dayco products typically undergo rigorous quality control to ensure durability and fitment accuracy for the listed vehicle makes and models.