Four Seasons 66426 A/C Refrigerant Discharge Hose

Reliable A/C Refrigerant Discharge Hose for Nissan and Infiniti

The Four Seasons Hose Assembly 66426 is designed to maintain optimal performance in your vehicle's HVAC system. Engineered for high-pressure applications, this A/C refrigerant discharge hose is compatible with select Nissan and Infiniti models, ensuring a precise fit and reliable operation.

Key Features of Four Seasons Hose Assembly 66426

• Constructed from durable aluminum and rubber materials for long-lasting use
• Compatible with R134a refrigerant systems
• Includes gasket and fittings for a complete installation
• Designed as a high-pressure discharge line without a service port or bracket
• Equipped with two green O-rings (part number 24661) for secure sealing
• OE replacement part ensuring factory-level fit and function
• Features a P-nut fitting on the suction end for secure connection

About the Four Seasons Hose Assembly Product Line

The Four Seasons Hose Assembly line focuses on providing reliable hose assemblies tailored for HVAC systems. This product line emphasizes compatibility and durability, offering components like the 66426 discharge hose that meet original equipment specifications. The assemblies are designed to integrate seamlessly with vehicle systems, supporting efficient refrigerant flow and system pressure management.

Detailed Product Description

The Four Seasons 66426 A/C refrigerant discharge hose is engineered for high-pressure HVAC systems using R134a refrigerant. Constructed from a combination of aluminum and rubber, it balances flexibility with strength to withstand system demands. This discharge line comes complete with necessary fittings and gaskets, including two green O-rings (part number 24661), ensuring a secure and leak-free connection. It does not include a service port, bracket, muffler, or switch, focusing on essential components for a direct OE replacement. The P-nut fitting on the suction end facilitates a reliable attachment to the system.

Compatible Vehicles and Common Applications

• Compatible with Nissan Pathfinder models requiring a high-pressure A/C discharge hose
• Fits Infiniti QX60 and Nissan JX35 vehicles equipped with R134a refrigerant systems
• Used to replace worn or damaged A/C refrigerant discharge lines to restore proper HVAC function
• Addresses issues such as refrigerant leaks, reduced cooling efficiency, and system pressure loss
• Helps resolve hose cracks, fitting corrosion, and seal failures in the discharge line

Installation Notes and Tips

When installing the Four Seasons 66426 hose assembly, ensure the system is fully depressurized and evacuated before removal of the old hose. Verify that the included green O-rings are properly seated to prevent leaks. Since this hose does not include a bracket or service port, confirm existing mounting points and service access on the vehicle. Tighten fittings to manufacturer torque specifications to maintain system integrity.

Quality Assurance and Warranty

This Four Seasons hose assembly is an OE replacement part, manufactured to meet or exceed original equipment standards. It includes all necessary fittings and seals for a complete installation. While specific warranty details are not provided, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship.