Four Seasons 66574 A/C Refrigerant Liquid Hose

Reliable A/C Refrigerant Liquid Hose for Chrysler, Dodge, and Ram

The Four Seasons Hose Assembly 66574 is designed to maintain optimal performance in your vehicle's HVAC system. Engineered for Chrysler, Dodge, and Ram models including the C/V, Grand Caravan, and Town & Country, this liquid line hose assembly ensures efficient refrigerant flow under high pressure.

• Constructed from durable aluminum and rubber materials
• Compatible with R134a refrigerant systems
• Includes slim line sealing washers (O-Rings) for secure connections
• Equipped with a 16 mm high side service port
• Features a flange-style male liquid line fitting
• Includes an orifice tube and service port for precise system operation
• Designed without a bracket or switch service port
• OEM replacement part for reliable fit and function

About the Four Seasons Hose Assembly Product Line

The Hose Assembly line by Four Seasons focuses on delivering high-quality hose and pipe solutions for automotive HVAC systems. This product line emphasizes durability and compatibility, providing assemblies that meet or exceed original equipment specifications. The 66574 hose assembly is part of this line, offering a direct replacement for liquid line components in select Chrysler, Dodge, and Ram vehicles.

Detailed Product Description

This A/C refrigerant liquid hose assembly is constructed with a combination of aluminum and rubber to withstand the demands of high-pressure HVAC systems. It is specifically designed for use with R134a refrigerant, ensuring compatibility with modern air conditioning setups. The hose features a flange-style male liquid line fitting and includes multiple O-rings (two slim line sealing washers and one additional O-ring) to prevent leaks and maintain system integrity. The assembly comes with a 16 mm high side service port, allowing for convenient maintenance and refrigerant charging. Notably, this hose assembly includes an orifice tube, which is essential for regulating refrigerant flow and maintaining system efficiency. It is designed without a bracket or switch service port, focusing on core functionality and fitment.

Common Applications and Issues Addressed

• Replacement of worn or damaged liquid line hoses in Chrysler C/V, Dodge Grand Caravan, and Ram Town & Country models
• Resolving refrigerant leaks caused by degraded seals or hose material
• Restoring proper refrigerant flow and pressure in high-pressure A/C systems
• Addressing issues related to faulty orifice tubes affecting cooling performance
• Ensuring secure connections with included O-rings to prevent system contamination

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 66574, ensure the system is fully depressurized and evacuated before removal of the old hose. Verify that the O-rings are properly seated to avoid leaks. The flange-style male fitting should be tightened to manufacturer torque specifications. Since this assembly does not include a bracket or switch service port, confirm that existing mounting points and electrical connections are intact and compatible. Use appropriate tools to avoid damage to the aluminum fittings during installation.

Quality Assurance and Warranty

Four Seasons Hose Assembly 66574 is manufactured to meet OEM standards for fit, form, and function. The part is an exact replacement designed to maintain the integrity of your vehicle’s HVAC system. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty against defects in materials and workmanship. Refer to the product packaging or manufacturer documentation for complete warranty information.