Four Seasons 66304 A/C Refrigerant Liquid Hose - Front or Rear

Overview of Four Seasons Hose Assembly 66304

The Four Seasons Hose Assembly 66304 is designed specifically for high-pressure A/C refrigerant liquid line applications. Engineered for use with R134a refrigerant, this hose assembly is compatible with Audi Q7 and Volkswagen Touareg models, ensuring reliable performance in your vehicle's HVAC system.

• Compatible with Audi Q7 and Volkswagen Touareg
• Designed for R134a refrigerant systems
• High-pressure rated liquid line hose assembly
• Includes gasket and green O-ring (part number 24649)
• Equipped with a P-nut fitting and male liquid line connection
• Features a switch service port with 7/16" - 20 size
• Includes bracket and orifice tube for proper system function

Detailed Product Features and Specifications

This Four Seasons Hose Assembly 66304 belongs to the Hose Assembly product line, which focuses on delivering precise replacement hoses and pipes for automotive HVAC systems. The assembly is designed as a liquid line hose with a P-nut fitting on both the suction end and liquid line, providing secure and leak-resistant connections. It includes a green O-ring (part number 24649) to ensure a proper seal and prevent refrigerant leaks. The hose assembly is equipped with a switch service port sized at 7/16" - 20, allowing for easy system diagnostics and maintenance. Additionally, the included bracket facilitates proper mounting and stability within the engine compartment. This assembly also features an orifice tube, which is essential for regulating refrigerant flow and maintaining system efficiency. The part is an exact O.E. replacement, meeting original equipment specifications for Audi Q7 and Volkswagen Touareg models.

Applications and Common Issues Addressed

• Replacement of worn or damaged A/C refrigerant liquid hoses in Audi Q7 and Volkswagen Touareg
• Resolution of refrigerant leaks caused by faulty seals or fittings
• Restoration of proper refrigerant flow and system pressure in high-pressure A/C systems
• Correction of issues related to malfunctioning orifice tubes affecting cooling performance
• Improvement of system diagnostics through integrated switch service port

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 66304, ensure the system is fully depressurized and evacuated before removal of the old hose. Verify that the green O-ring is properly seated to prevent leaks. The included bracket should be securely fastened to maintain hose stability and prevent vibration damage. Use appropriate tools to tighten the P-nut fittings to manufacturer torque specifications. The switch service port allows for convenient pressure monitoring during installation and future maintenance.

Quality Assurance and Warranty Information

Four Seasons Hose Assembly 66304 is manufactured to meet or exceed original equipment standards, providing reliable performance for Audi Q7 and Volkswagen Touareg HVAC systems. The product includes all necessary seals and fittings to ensure a proper installation. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or manufacturer resources for exact warranty terms.