Four Seasons 66306 A/C Refrigerant Liquid Hose - Front

Overview of Four Seasons Hose Assembly 66306

The Four Seasons Hose Assembly 66306 is designed specifically for high-pressure A/C refrigerant liquid line applications in Audi Q7 and Volkswagen Touareg models. Constructed with durable aluminum and rubber materials, this hose assembly ensures reliable performance in your vehicle's HVAC system.

• Compatible with Audi Q7 and Volkswagen Touareg
• High-pressure A/C refrigerant liquid hose for R134a systems
• Includes green O-rings (part number 24649) for secure sealing
• Female liquid line with P-nut fitting style
• Equipped with service port (M8x1.000) without switch port or bracket
• OE replacement part with orifice tube included

Detailed Product Description

This Four Seasons Hose Assembly 66306 belongs to the Hose Assembly product line, which focuses on delivering precise fit and reliable HVAC hose and pipe solutions. The assembly features a combination of aluminum and rubber materials to withstand high system pressures typical in R134a refrigerant systems. It includes two green O-rings (part number 24649) to ensure a tight, leak-free connection. The liquid line is female with a P-nut fitting style, designed for easy installation and compatibility with the original equipment. This hose assembly also comes with a service port sized M8x1.000, facilitating maintenance and refrigerant charging without the need for additional adapters.

Applications and Common Issues Addressed

• Replacement of worn or damaged A/C refrigerant liquid hoses in Audi Q7 and Volkswagen Touareg
• Resolving refrigerant leaks caused by degraded seals or hose material
• Restoring proper high-pressure refrigerant flow in the HVAC system
• Addressing issues related to faulty orifice tube integration
• Improving system reliability by using an OE replacement hose assembly

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 66306, ensure the system is fully depressurized and evacuated before removal of the old hose. Verify that the included green O-rings are properly seated to prevent leaks. The P-nut fittings should be tightened to manufacturer specifications to avoid damage. Since this assembly does not include a bracket or switch port, confirm existing mounting points and switch connections are intact. The service port allows for convenient refrigerant servicing during installation or future maintenance.

Quality Assurance and Warranty

Four Seasons manufactures this hose assembly to meet or exceed OEM standards for durability and performance. The part number 66306 is an exact OE replacement designed for compatibility with Audi Q7 and Volkswagen Touareg HVAC systems. The product includes all necessary seals and fittings to ensure a secure installation. Warranty coverage details should be confirmed with the product documentation or supplier, as Four Seasons typically offers limited warranties on their HVAC components.