Four Seasons 66438 A/C Refrigerant Discharge Hose

Overview of Four Seasons Hose Assembly 66438

The Four Seasons Hose Assembly 66438 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 part
• Features a P-nut fitting suction end
• Does not include bracket, muffler, or service port

Detailed Product Description

This Four Seasons Hose Assembly from the Hose Assembly product line is a direct replacement for the A/C refrigerant discharge hose in Nissan Sentra vehicles. The combination of aluminum and rubber materials provides a balance of strength and flexibility, essential for maintaining system integrity under high pressure. Designed for use with R134a refrigerant, this discharge line supports the proper flow of refrigerant from the compressor to the condenser. The included gasket and fittings simplify installation and help prevent leaks. The hose assembly comes without a bracket, muffler, or service port, focusing on the core discharge line function. Two green O-rings (part number 24661) are included to ensure a tight seal at connection points.

About the Four Seasons Hose Assembly Product Line

The Hose Assembly product line by Four Seasons offers a range of hose assemblies tailored for HVAC systems in various vehicles. This line emphasizes compatibility with original equipment specifications, providing reliable replacements that meet or exceed factory standards. The 66438 hose assembly fits within this line as a high-pressure discharge line designed specifically for Nissan Sentra models using R134a refrigerant.

Common Applications and Issues Addressed

• Replacement of worn or cracked A/C refrigerant discharge hoses
• Resolving refrigerant leaks in the high-pressure side of the A/C system
• Restoring proper refrigerant flow to improve A/C system performance
• Addressing hose damage caused by heat or vibration
• Upgrading to an OEM-quality discharge line for Nissan Sentra vehicles

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 66438, ensure the vehicle is compatible with R134a refrigerant systems. Use the included gasket and fittings to secure connections and prevent leaks. The P-nut fitting on the suction end requires proper torque to avoid damage. Since this assembly does not include a bracket or muffler, verify existing mounting points and supports are intact before installation. It is recommended to replace O-rings with the included green O-rings (part number 24661) to maintain a proper seal.

Quality Assurance and Warranty

Four Seasons provides this hose assembly as an original equipment replacement part, ensuring it meets factory specifications for fit and function. The product includes all necessary seals and fittings for installation. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship.