Four Seasons 66337 A/C Refrigerant Liquid Hose

Overview of Four Seasons Hose Assembly 66337

The Four Seasons Hose Assembly 66337 is designed specifically for high-pressure A/C refrigerant liquid line applications. Engineered for BMW models including X1, X3, X4, X5, and X6, this hose assembly ensures reliable performance with R134a refrigerant systems.

• Compatible with BMW X1, X3, X4, X5, and X6 models
• High-pressure A/C refrigerant liquid hose for R134a systems
• Includes green O-rings (part number 24649) for secure sealing
• Equipped with a service port (M10x1.000) and switch port (3/8" - 24)
• Features a P-nut fitting suction end and orifice tube
• OE replacement part ensuring proper fit and function
• Does not include a mounting bracket

Detailed Product Description

This Four Seasons Hose Assembly from the Hose Assembly product line is a liquid line hose assembly designed without a bracket but includes an orifice tube and a switch service port. It is built to handle high system pressures typical of R134a refrigerant A/C systems. The assembly comes with two green O-rings (part number 24649) to ensure a tight, leak-free connection. The service port size is M10x1.000, and the switch port size is 3/8" - 24, providing compatibility with diagnostic and service tools. The suction end uses a P-nut fitting for secure attachment. This hose assembly is an OE replacement part, making it suitable for maintaining factory specifications on BMW X1, X3, X4, X5, and X6 vehicles.

Applications and Common Issues Addressed

• Replacement of worn or leaking A/C refrigerant liquid hoses
• Restoring proper refrigerant flow in BMW X1, X3, X4, X5, and X6 A/C systems
• Fixing high-pressure leaks caused by damaged or cracked hoses
• Ensuring accurate pressure readings via the included service and switch ports
• Maintaining system integrity with included O-rings and orifice tube

Installation Notes and Tips

• Verify compatibility with your specific BMW model and year before installation
• Use the included green O-rings (part number 24649) to prevent refrigerant leaks
• Ensure proper torque on fittings to avoid damage to the service and switch ports
• Inspect the orifice tube and switch port for proper seating during installation
• Do not reuse old O-rings or seals to maintain system integrity

Quality Assurance and Warranty

Four Seasons Hose Assembly 66337 is manufactured to meet or exceed OEM standards for durability and performance. As an OE replacement part, it supports the original equipment specifications for BMW A/C systems. The product includes all necessary seals and ports to ensure a reliable installation. Warranty details should be confirmed with the product documentation or supplier.