Dayco 87775 HVAC Heater Hose - Heater Inlet

Overview of Dayco Small I.D. Heater Hose 87775

The Dayco Small I.D. Heater Hose 87775 is designed for reliable HVAC system performance in Volkswagen vehicles. Engineered with durable EPDM material, this hose supports efficient heating and cooling in models like the Volkswagen Cabrio, Golf, and Jetta.

• Constructed from high-quality EPDM for heat and chemical resistance
• Dual inside diameter hose with 3/4 inch and 15/16 inch ends
• Includes a protective sleeve for added durability
• Meets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
• Compatible with Volkswagen Cabrio, Golf, and Jetta HVAC systems

Detailed Product Description

The Dayco Small I.D. Heater Hose 87775 is part of the Small I.D. Heater Hose product line, which focuses on delivering precise fit and reliable performance for HVAC applications. This hose features a dual inside diameter design, with one end measuring 3/4 inch and the other 15/16 inch, allowing for secure connections in complex heating systems. Made from EPDM material, it offers resistance to heat, ozone, and coolant chemicals, ensuring long service life. The hose is black in color and includes a protective sleeve to guard against abrasion and environmental damage. It does not contain a heat shield but complies with SAE J20R3 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive heating and cooling systems.

Applications and Common Issues Addressed

• Replacement of worn or cracked heater hoses in Volkswagen Cabrio, Golf, and Jetta models
• Prevention of coolant leaks that can cause HVAC system inefficiency
• Restoration of proper heater core flow to maintain cabin temperature control
• Elimination of hose swelling or softening due to heat exposure
• Protection against hose abrasion with the included protective sleeve

Installation Notes and Tips

• Ensure the hose ends match the 3/4 inch and 15/16 inch fittings on the vehicle
• Inspect surrounding components for wear or damage before installation
• Use appropriate clamps to secure the hose and prevent leaks
• Verify compatibility with Volkswagen Cabrio, Golf, and Jetta HVAC systems prior to installation
• Replace any damaged protective sleeves to maintain hose integrity

Quality Assurance and Warranty

Dayco manufactures the Small I.D. Heater Hose 87775 to meet strict SAE specifications, including J20R3 Class D-1 and J1684 Type EC, ensuring consistent quality and performance. While specific warranty details are not provided, Dayco products typically adhere to industry standards for durability and reliability in automotive HVAC applications.