Four Seasons 66611 A/C Refrigerant Suction Hose

Overview of Four Seasons Hose Assembly 66611

The Four Seasons Hose Assembly 66611 is designed specifically for Audi S4 and S5 models, providing a reliable A/C refrigerant suction hose solution. Engineered with durable aluminum and rubber materials, this hose assembly ensures efficient low-pressure refrigerant flow for R134a systems.

• Constructed from aluminum and rubber for durability and flexibility
• Features a male o-ring fitting on one end and a P-nut fitting on the other
• Includes green round o-rings (part number 24635) for secure sealing
• Compatible with R134a refrigerant systems operating at low pressure
• Includes necessary fittings and gasket for installation
• Equipped with a 13 mm service port on the low-pressure side
• OE replacement part designed to meet original equipment specifications

Detailed Product Description

This A/C refrigerant suction hose from Four Seasons is part of the Hose Assembly product line, which focuses on delivering complete hose solutions for automotive HVAC systems. The Hose Assembly line combines high-quality materials and precise fittings to ensure proper refrigerant flow and system integrity. The 66611 hose assembly is built with an aluminum and rubber construction that balances strength and flexibility, essential for maintaining performance under varying engine conditions.

The hose features a male o-ring fitting on one end and a P-nut fitting on the suction end, facilitating a secure connection to the vehicle’s A/C system. It includes two green round o-rings (part number 24635) to ensure a tight seal and prevent refrigerant leaks. This assembly is designed for use with R134a refrigerant and operates on the low-pressure side of the system, making it suitable for the suction line in Audi S4 and S5 models.

Common Applications and Issues Addressed

• Replacement of worn or damaged A/C refrigerant suction hoses
• Resolving refrigerant leaks caused by cracked or degraded hose material
• Restoring proper refrigerant flow in low-pressure A/C system components
• Eliminating poor A/C performance due to faulty suction line connections
• Maintaining system pressure integrity with included gaskets and fittings

Installation Notes and Tips

• Ensure the system is fully depressurized before removing the old hose assembly
• Verify compatibility with Audi S4 and S5 models prior to installation
• Use the included green o-rings and gasket to prevent leaks at connection points
• Check the service port size (13 mm) for compatibility with A/C service equipment
• Inspect fittings for proper torque to avoid damage or leaks

Quality Assurance and Warranty

The Four Seasons Hose Assembly 66611 is an OE replacement part, manufactured to meet or exceed original equipment standards for fit, form, and function. It includes all necessary fittings and seals to ensure a reliable installation. While specific warranty details are not provided, Four Seasons products typically adhere to industry quality standards, offering dependable performance for Audi S4 and S5 HVAC systems.