Dayco 88454 HVAC Heater Hose - Pipe To Heater

Overview of Dayco Small I.D. Heater Hose 88454

The Dayco Small I.D. Heater Hose 88454 is designed specifically for Volkswagen Golf and Jetta models. This HVAC heater hose ensures reliable coolant flow within the heating system, maintaining optimal cabin temperature and engine performance.

• Constructed from durable EPDM material for heat and chemical resistance
• Dual inside diameter hose with 3/4 inch and 15/16 inch ends
• Black color for standard OEM appearance
• Complies with SAE J20R3 Class D-1 and SAE J1684 Type EC specifications
• Outside diameters of 1 3/32 inch and 1 1/4 inch for secure fitment
• Trunk height of 11 inches for precise installation

Dayco Small I.D. Heater Hose Product Line Details

The Small I.D. Heater Hose line by Dayco focuses on providing HVAC hoses with smaller inside diameters tailored for specific vehicle applications. This product line emphasizes compatibility and durability, meeting industry SAE standards to ensure proper coolant flow and resistance to heat and environmental factors. The 88454 hose is part of this line, engineered to fit Volkswagen Golf and Jetta models with exacting specifications.

Technical Description and Specifications

The Dayco 88454 heater hose is made from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and coolant chemicals. It features a dual inside diameter design, with one end measuring 3/4 inch and the other 15/16 inch, allowing it to connect different HVAC components securely. The hose’s outside diameters are 1 3/32 inch and 1 1/4 inch respectively, ensuring a tight seal and preventing leaks. This hose does not include a heat shield or protective sleeve, which is typical for this type of HVAC hose. It meets SAE J20R3 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive heating systems.

Applications and Common Issues Addressed

• Replacement of worn or cracked heater hoses in Volkswagen Golf and Jetta HVAC systems
• Resolving coolant leaks that cause insufficient cabin heating
• Preventing overheating issues related to faulty heater hose connections
• Maintaining proper coolant flow for engine temperature regulation
• Addressing hose degradation due to heat and chemical exposure over time

Installation Notes and Tips

When installing the Dayco Small I.D. Heater Hose 88454, ensure the hose ends match the corresponding HVAC fittings on the Volkswagen Golf or Jetta. Verify the inside and outside diameters for a secure fit. Since this hose does not include a heat shield or protective sleeve, inspect surrounding components for potential heat exposure. Use appropriate clamps to prevent leaks and check for any signs of wear or damage during installation.

Quality Assurance and Warranty

Dayco manufactures the 88454 heater hose to meet strict SAE specifications, ensuring durability and performance in automotive HVAC systems. While specific warranty details are not provided, Dayco products typically adhere to industry quality standards, offering reliable service life when installed correctly and maintained as recommended.