Four Seasons 66440 A/C Refrigerant Discharge Hose

Overview of Four Seasons Hose Assembly 66440

The Four Seasons Hose Assembly 66440 is designed specifically for Nissan Sentra models requiring a reliable A/C refrigerant discharge hose. Engineered with durable aluminum and rubber materials, this hose assembly ensures efficient high-pressure refrigerant flow for R134a systems.

• Constructed from aluminum and rubber for durability and flexibility
• Compatible with R134a refrigerant systems
• High-pressure discharge line designed for A/C systems
• Includes gasket and fittings for secure installation
• O-ring set included (two green O-rings, part number 24661)
• Original equipment replacement for Nissan Sentra
• Features a P-nut fitting suction end without a service port or bracket

Detailed Product Description

This Four Seasons Hose Assembly 66440 belongs to the Hose Assembly product line, which focuses on providing complete hose solutions for automotive HVAC systems. The assembly combines aluminum and rubber components to withstand the high pressures typical of A/C refrigerant discharge lines. It is designed to work with R134a refrigerant, the standard for many Nissan Sentra air conditioning systems. The included gasket and fittings simplify installation and ensure a tight seal, while the two green O-rings (part number 24661) help prevent leaks. This discharge hose does not include a service port, bracket, muffler, or switch, making it a straightforward replacement part that meets original equipment specifications.

Common Applications and Issues Addressed

• Replacement of worn or damaged A/C refrigerant discharge hose on Nissan Sentra
• Resolving refrigerant leaks caused by cracked or deteriorated hoses
• Restoring proper high-pressure refrigerant flow in the A/C system
• Eliminating loss of cooling efficiency due to faulty discharge lines
• Ensuring system integrity after component failure or maintenance

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 66440, ensure the system is fully depressurized and evacuated before removal of the old hose. Use the included gasket and fittings to secure the hose assembly properly, and replace the two green O-rings to maintain a leak-free connection. The P-nut fitting suction end requires careful tightening to avoid damage. Since this hose assembly does not include a service port or bracket, verify compatibility with your vehicle’s existing mounting points and service ports.

Quality Assurance and Warranty

Four Seasons manufactures this hose assembly to meet or exceed original equipment standards for Nissan Sentra vehicles. The part number 66440 is an OE replacement, ensuring fit, form, and function compatibility. The product includes all necessary seals and fittings to support a reliable installation. Warranty details should be confirmed with the point of purchase or manufacturer documentation.