Four Seasons 56371 A/C Refrigerant Discharge / Suction Hose Assembly

Overview of Four Seasons Hose Assembly 56371

The Four Seasons Hose Assembly 56371 is designed specifically for Ford Expedition and Lincoln Navigator models. This A/C refrigerant discharge and suction hose assembly ensures reliable performance with durable aluminum and rubber construction, compatible with R134a refrigerant systems.

• Constructed from aluminum and rubber for durability and flexibility
• Includes green O-rings and gasket for secure sealing
• Equipped with a switch service port and bracket for easy installation
• Features P-nut fittings on both discharge and suction ends
• Compatible with R134a refrigerant and includes a muffler and manifold

Four Seasons Hose Assembly Product Line Details

The Hose Assembly product line by Four Seasons focuses on providing complete A/C hose solutions that combine multiple components into one assembly. This approach simplifies replacement by including essential parts such as O-rings, gaskets, brackets, and mufflers. The 56371 model exemplifies this line by integrating discharge and suction lines with service ports and mounting hardware, tailored for specific vehicle applications.

Detailed Product Description

This hose assembly is engineered for the Ford Expedition and Lincoln Navigator, featuring a discharge end with a 0.461-inch (11.7 mm) P-nut fitting and a suction end with a 0.693-inch (17.6 mm) P-nut fitting. The assembly supports R134a refrigerant and includes a manifold and muffler to reduce noise and vibration. The package comes with three green O-rings ([24606], [24610], [24649]) to ensure leak-free connections. While fittings are not included, the assembly comes with a bracket and a switch service port for convenient servicing.

Common Applications and Issues Addressed

• Replacement of worn or leaking A/C refrigerant discharge and suction hoses
• Resolving refrigerant leaks caused by damaged O-rings or seals
• Eliminating noise and vibration in the A/C system with included muffler
• Upgrading to a hose assembly with integrated service port for easier maintenance
• Restoring proper refrigerant flow in Ford Expedition and Lincoln Navigator A/C systems

Installation Notes and Tips

• Ensure compatibility with 2003-2017 Ford Expedition and Lincoln Navigator models using R134a refrigerant
• Use the included green O-rings and gasket to prevent leaks during installation
• Verify that the P-nut fittings on both ends match the vehicle’s A/C system connections
• Secure the hose assembly using the provided bracket to avoid movement and wear
• Check the switch service port for proper function if applicable to your vehicle’s system

Quality Assurance and Warranty

The Four Seasons Hose Assembly 56371 is an original equipment replacement part designed to meet or exceed OEM specifications. It includes all necessary sealing components to ensure a reliable fit and function. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship.