Dayco 86837 HVAC Heater Hose - Throttle Body To Engine

Overview of Dayco Small I.D. Heater Hose 86837

The Dayco Small I.D. Heater Hose 86837 is designed specifically for Volkswagen Golf and Jetta models. This branched HVAC heater hose is constructed from durable EPDM material, ensuring reliable performance in your vehicle's heating system.

• Constructed from high-quality EPDM for heat and chemical resistance
• Branched hose design with multiple inside diameters for precise fit
• Complies with SAE J20R3 Class D-1 and SAE J1684 Type EC standards
• Black color for standard OEM appearance
• Compatible with Volkswagen Golf and Jetta HVAC systems

Detailed Product Description

The Dayco Small I.D. Heater Hose 86837 features a branched hose design with four ends, two with a 3/4 inch inside diameter and two with a 5/16 inch inside diameter, allowing for efficient routing within the HVAC system. The hose is made from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids, making it suitable for heater core connections. The hose meets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications, ensuring it adheres to industry standards for heater hoses. Its black color matches OEM requirements, maintaining the original look under the hood.

Small I.D. Heater Hose Product Line

The Small I.D. Heater Hose line by Dayco focuses on providing branched hoses with precise inside diameters tailored for specific vehicle HVAC applications. This product line emphasizes durability and compliance with SAE standards, making it a reliable choice for Volkswagen Golf and Jetta owners needing replacement heater hoses that fit exact OEM specifications.

Common Applications and Issues Addressed

• Replacement of worn or cracked heater hoses in Volkswagen Golf and Jetta HVAC systems
• Resolving coolant leaks caused by deteriorated heater hoses
• Preventing overheating issues related to faulty heater hose connections
• Maintaining proper heater core function and cabin heating performance
• Ensuring secure coolant flow paths within the HVAC system

Installation Notes and Tips

When installing the Dayco Small I.D. Heater Hose 86837, ensure all connections are clean and free of debris. Verify the correct orientation of the branched hose to match the vehicle’s HVAC layout. Use appropriate clamps to secure each hose end, paying attention to the different inside diameters (3/4 inch and 5/16 inch) for proper fitment. Inspect surrounding components for wear during installation to avoid future leaks.

Quality Assurance

Dayco manufactures the Small I.D. Heater Hose 86837 to meet strict SAE specifications, ensuring durability and performance. While no specific warranty information is provided, Dayco products are generally backed by quality standards consistent with OEM replacement parts. This hose is engineered to provide reliable service in Volkswagen Golf and Jetta heating systems.