Four Seasons 55644 A/C Refrigerant Liquid Hose

Overview of Four Seasons Hose Assembly 55644

The Four Seasons Hose Assembly 55644 is designed for high-pressure A/C refrigerant liquid line applications. Specifically engineered for Ford, Lincoln, and Mercury vehicles, this hose assembly supports models such as the Colony Park, Grand Marquis, LTD, LTD Crown Victoria, Marquis, and Town Car. It ensures reliable refrigerant flow with R134a refrigerant compatibility.

• Compatible with Ford, Lincoln, Mercury Colony Park, Grand Marquis, LTD, LTD Crown Victoria, Marquis, Town Car
• High-pressure A/C refrigerant liquid hose for R134a systems
• Includes green O-rings and spring seals for secure connections
• Liquid line hose assembly without orifice tube and service port
• Male springlock suction end type for proper fitment
• OE replacement part ensuring factory-level performance

Detailed Product Description

The Four Seasons Hose Assembly 55644 belongs to the Hose Assembly product line, which focuses on delivering durable and precise HVAC hose and pipe solutions. This particular assembly is a liquid line hose designed for high-pressure R134a refrigerant systems. It features a 0.375-inch liquid line diameter and comes equipped with multiple green O-rings ([24666] and [24668]) and spring seals ([24216] and [24218]) to maintain airtight connections and prevent leaks. The hose assembly is supplied without a switch service port or bracket, and it includes an orifice tube to regulate refrigerant flow. The suction end is a male springlock type, ensuring compatibility with the specified vehicle models. This part is an OE replacement, making it suitable for restoring the original HVAC system performance in Ford, Lincoln, and Mercury vehicles.

Common Applications and Issues Addressed

• Replacement of worn or damaged A/C refrigerant liquid hoses in Ford LTD Crown Victoria and Town Car models
• Fixing refrigerant leaks caused by degraded O-rings or seals in Mercury Marquis and Lincoln Grand Marquis
• Restoring proper refrigerant flow in high-pressure R134a systems for Colony Park and LTD vehicles
• Resolving HVAC system inefficiencies due to faulty liquid line hose assemblies
• Maintaining system integrity without the need for additional brackets or service ports

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 55644, ensure all included O-rings and spring seals are properly seated to prevent leaks. The male springlock suction end should be securely connected to the corresponding system port. Since this assembly does not include a bracket or service port, verify that existing mounting points and service access are compatible. It is recommended to inspect the entire HVAC system for wear or damage during installation to maintain optimal performance.

Quality Assurance and Warranty

Four Seasons provides this hose assembly as an OE replacement part, meeting original equipment specifications for fit, form, and function. The inclusion of multiple O-rings and spring seals supports long-term durability and leak prevention. While specific warranty details are not provided here, Four Seasons products typically come with manufacturer-backed quality assurance to support reliable HVAC system repairs.