Dayco 87861 HVAC Heater Hose - Heater Inlet or Right

Overview of Dayco Small I.D. Heater Hose 87861

The Dayco Small I.D. Heater Hose 87861 is designed for reliable HVAC system performance in select Buick, Chevrolet, Mazda, Oldsmobile, Pontiac, and Suzuki vehicles. This dual inside diameter hose ensures proper fitment and durability for your vehicle's heating system.

• Constructed from durable EPDM material for heat and chemical resistance
• Dual inside diameters: 5/8 inch and 3/4 inch for precise fit
• Black color for standard OEM appearance
• Complies with SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
• Outside diameters: 15/16 inch and 1 1/16 inch for secure connections
• Trunk height of 17 inches suitable for various HVAC routing needs

Detailed Product Description

The Dayco Small I.D. Heater Hose 87861 is engineered from EPDM (ethylene propylene diene monomer) rubber, a material known for its excellent resistance to heat, ozone, and automotive fluids. This hose features a dual inside diameter design, with one end measuring 5/8 inch and the other 3/4 inch, allowing it to connect different HVAC components with varying port sizes. The black hose meets SAE J20R3 Class D-1 and SAE J1684 Type EC standards, ensuring it adheres to industry requirements for heater hoses. With outside diameters of 15/16 inch and 1 1/16 inch, the hose provides a secure and leak-resistant fit. The 17-inch trunk height supports proper routing within the vehicle's HVAC system.

About the Small I.D. Heater Hose Product Line

The Dayco Small I.D. Heater Hose product line focuses on providing hoses with smaller inside diameters tailored for specific HVAC applications. These hoses are designed to meet OEM specifications and SAE standards, ensuring compatibility and durability in heating systems. The 87861 part is a representative example, offering a dual inside diameter configuration to accommodate different connection points within the HVAC system.

Compatible Vehicles and Common Applications

• Compatible with Buick Regal and Century models
• Fits Chevrolet Aveo, Aveo5, and G3 Wave
• Suitable for Mazda 3 and 3 Sport
• Works with Oldsmobile Intrigue and Pontiac Grand Prix
• Also compatible with Suzuki Swift+

Common Issues Addressed by Dayco 87861 Heater Hose

• Replacement of cracked or leaking heater hoses causing coolant loss
• Resolving poor heater performance due to restricted coolant flow
• Fixing hose swelling or softening from heat exposure
• Eliminating coolant odors inside the vehicle cabin
• Preventing overheating caused by compromised heater hose integrity

Installation Notes and Tips

• Ensure the hose ends match the 5/8 inch and 3/4 inch port sizes for proper fit
• Inspect surrounding components for wear or damage during installation
• Use appropriate clamps to secure hose ends and prevent leaks
• Verify routing to avoid contact with sharp edges or moving parts
• Flush the cooling system if contamination is suspected before installing the new hose

Quality Assurance and Warranty

Dayco manufactures the Small I.D. Heater Hose 87861 to meet SAE specifications, ensuring consistent quality and performance. While specific warranty details are not provided, Dayco products typically adhere to industry standards for durability and reliability. It is recommended to consult the vehicle manufacturer or Dayco documentation for warranty coverage information.