Four Seasons 56939 A/C Refrigerant Liquid Hose

Reliable A/C Refrigerant Liquid Hose for Ford Edge and Lincoln MKX

The Four Seasons Hose Assembly part number 56939 is designed specifically for high-pressure A/C systems using R134a refrigerant. This liquid line hose assembly provides a durable and precise fit for Ford Edge and Lincoln MKX models, ensuring efficient refrigerant flow and system performance.

Key Features of Four Seasons Hose Assembly 56939

• Constructed from aluminum and rubber for durability and flexibility
• Compatible with R134a refrigerant systems operating under high pressure
• Includes green O-rings ([24611] and [24666]) for secure sealing
• Equipped with male liquid line and P-nut fittings for reliable connections
• Comes with an orifice tube and gasket/seal included
• Designed without a switch service port or bracket for direct replacement
• OE replacement part ensuring proper fit and function

About the Four Seasons Hose Assembly Product Line

The Four Seasons Hose Assembly line focuses on providing precise hose and pipe solutions for automotive HVAC systems. This product line emphasizes quality materials and exact fitment to maintain system integrity and performance. The 56939 hose assembly is part of this line, engineered to meet OEM specifications for Ford and Lincoln vehicles, particularly the Edge and MKX models.

Detailed Product Description

This A/C refrigerant liquid hose assembly is built to handle high-pressure conditions typical in modern automotive air conditioning systems. The combination of aluminum and rubber materials offers both strength and flexibility, reducing the risk of leaks or damage. The inclusion of green O-rings ensures a tight seal at connection points, preventing refrigerant loss. The male liquid line with P-nut fittings simplifies installation and guarantees compatibility with the original equipment. This hose assembly also includes an orifice tube, which is essential for regulating refrigerant flow within the system.

Common Applications and Issues Addressed

• Replacement of worn or damaged A/C liquid line hoses in Ford Edge and Lincoln MKX
• Resolving refrigerant leaks caused by cracked or deteriorated hoses
• Restoring proper refrigerant flow and system pressure in high-pressure A/C systems
• Eliminating poor A/C performance due to faulty or leaking liquid line assemblies
• Ensuring compatibility with R134a refrigerant systems for effective cooling

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 56939, ensure all old seals and O-rings are removed and replaced with the included green O-rings to maintain a proper seal. The P-nut fittings require careful tightening to avoid overtightening, which can damage threads or fittings. Since this assembly does not include a bracket or switch service port, verify existing mounting points and service ports on the vehicle before installation. Proper handling of the orifice tube is important to avoid contamination or damage during installation.

Quality Assurance and Warranty

Four Seasons Hose Assembly 56939 is manufactured to meet or exceed OEM standards for fit, form, and function. The use of high-quality aluminum and rubber materials ensures durability under high-pressure conditions. This part is an OE replacement, providing confidence in compatibility and performance. Warranty details are provided by Four Seasons and typically cover defects in materials and workmanship under normal use.