Four Seasons 66821 A/C Suction and Liquid Line Hose Assembly

Reliable A/C Suction and Liquid Line Hose Assembly for Ford Escape and Lincoln MKC

The Four Seasons Hose Assembly 66821 is designed to maintain optimal HVAC performance in your Ford Escape or Lincoln MKC. Engineered with durable aluminum and rubber materials, this hose assembly ensures efficient refrigerant flow and system reliability.

Key Features of Four Seasons Hose Assembly 66821

• Constructed from aluminum and rubber for durability and flexibility
• Equipped with P-nut fittings on both ends for secure connections
• Compatible with R134a refrigerant systems
• Includes gasket and sealing washers for leak prevention
• Features a service port and switch service port for easy maintenance
• Comes with necessary fittings but without bracket or muffler
• Includes multiple O-rings (24257 sealing washer, 24628 and 24150 O-rings) for proper sealing
• Style: Hose assembly with integrated heat exchanger (IHX)

Detailed Description of the Four Seasons Hose Assembly

This A/C suction and liquid line hose assembly from Four Seasons is specifically designed for use in Ford Escape and Lincoln MKC models. The combination of aluminum and rubber materials provides a balance of strength and flexibility, essential for withstanding the pressures and temperatures within the HVAC system. Both ends feature P-nut fittings, ensuring a secure and leak-resistant connection to your vehicle's air conditioning components. The inclusion of a service port and switch service port facilitates routine system checks and refrigerant recharging. This hose assembly is compatible with R134a refrigerant, the standard for many modern vehicles. The product includes essential sealing components such as gaskets and multiple O-rings to maintain system integrity and prevent leaks. Notably, this assembly does not include a bracket or muffler, focusing on the core hose and fittings.

About the Four Seasons Hose Assembly Product Line

The Four Seasons Hose Assembly line offers a range of hose assemblies designed to meet specific HVAC system requirements. This product line emphasizes compatibility and durability, providing assemblies that include necessary fittings and sealing components to ensure proper installation and function. The 66821 part number is part of this line, tailored for Ford and Lincoln vehicles requiring reliable suction and liquid line hose assemblies.

Common Applications and Issues Addressed

• Replacement of worn or damaged A/C suction and liquid line hoses
• Resolving refrigerant leaks caused by degraded seals or fittings
• Restoring proper refrigerant flow in Ford Escape and Lincoln MKC HVAC systems
• Facilitating maintenance with included service ports
• Improving system reliability by replacing assemblies without brackets or mufflers

Installation Notes and Tips

Ensure the vehicle’s HVAC system is fully depressurized before removing the old hose assembly. Verify compatibility with Ford Escape or Lincoln MKC models and confirm the refrigerant type is R134a. Use the included gaskets and O-rings to prevent leaks during installation. Tighten P-nut fittings securely but avoid over-tightening to prevent damage. The absence of a bracket means the assembly should be supported according to vehicle-specific mounting points.

Quality Assurance and Warranty

Four Seasons products are manufactured to meet industry standards for HVAC components. The 66821 hose assembly includes all necessary sealing components to ensure a reliable fit and function. While specific warranty details are not provided here, Four Seasons typically offers coverage against defects in materials and workmanship. Consult product documentation or manufacturer resources for exact warranty terms.