Four Seasons 66425 A/C Refrigerant Discharge Hose

Overview of Four Seasons Hose Assembly 66425

The Four Seasons Hose Assembly 66425 is designed specifically for Nissan NV1500, NV2500, and NV3500 models. This A/C refrigerant discharge hose is engineered to handle high-pressure R134a refrigerant systems, ensuring reliable performance in your vehicle's HVAC system.

• Constructed from durable aluminum and rubber materials
• Compatible with R134a refrigerant type
• Includes gasket and fittings for secure installation
• Designed as a high-pressure discharge line without a service port or switch
• Equipped with two green O-rings (part number 24661) for proper sealing
• Features a P-nut fitting on the suction end
• OE replacement part for Nissan NV series vans

Detailed Product Description

The Four Seasons Hose Assembly 66425 belongs to the Hose Assembly product line, which focuses on delivering reliable hose and pipe solutions for automotive HVAC systems. This particular discharge hose assembly is made from a combination of aluminum and rubber, providing both flexibility and durability under high-pressure conditions. It is designed to work with R134a refrigerant, the standard for many modern vehicles, including Nissan NV1500, NV2500, and NV3500 models. The assembly includes essential components such as gaskets and fittings to ensure a tight, leak-free connection. Notably, this hose assembly does not include a service port, switch, bracket, or muffler, which aligns with the original equipment specifications for these Nissan vans.

Common Applications and Issues Addressed

• Replacement of worn or damaged A/C refrigerant discharge hoses
• Resolving refrigerant leaks in the high-pressure discharge line
• Restoring proper refrigerant flow in Nissan NV1500, NV2500, and NV3500 HVAC systems
• Eliminating A/C system pressure loss due to faulty hose assemblies
• Maintaining system integrity with included O-rings and fittings

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 66425, ensure the vehicle is compatible with R134a refrigerant systems. Use the included green O-rings (part number 24661) to achieve a proper seal and prevent leaks. Since this assembly does not include a service port or switch, verify that your existing system components are compatible. The P-nut fitting on the suction end facilitates secure attachment, but care should be taken to avoid overtightening. Professional installation is recommended to maintain system pressure and performance.

Quality Assurance and Warranty

This Four Seasons hose assembly is an OE replacement part, meeting original equipment standards for Nissan NV1500, NV2500, and NV3500 models. It is manufactured to withstand high-pressure conditions typical of automotive A/C systems using R134a refrigerant. The product includes all necessary gaskets and fittings to ensure a reliable installation. Warranty details are provided by Four Seasons and typically cover defects in materials and workmanship under normal use.