Four Seasons 66396 A/C Refrigerant Suction Hose

Overview of Four Seasons Hose Assembly 66396

The Four Seasons Hose Assembly 66396 is designed specifically for the HVAC system of INFINITI and Nissan vehicles, including the Armada and QX80 models. This A/C refrigerant suction hose ensures reliable low-pressure refrigerant flow with durable aluminum and rubber construction.

• 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 fittings for a complete installation
• Designed as a low-pressure suction line without a switch or muffler
• OEM replacement part ensuring proper fit and function
• Includes two green O-rings (part number 24684) for sealing
• Service port size: 13 mm, low side without switch port

Four Seasons Hose Assembly Product Line Details

The Four Seasons Hose Assembly product line focuses on providing reliable and precise HVAC hose assemblies tailored for specific vehicle applications. The 66396 suction hose is part of this line, offering a direct OEM replacement that maintains system integrity and performance for the A/C refrigerant suction side. This line emphasizes quality materials and proper fittings to ensure compatibility and ease of installation.

Detailed Product Description

This A/C refrigerant suction hose assembly (part number 66396) is engineered for use in the low-pressure side of the air conditioning system in INFINITI Armada and Nissan QX80 vehicles. The combination of aluminum and rubber materials provides a balance of strength and flexibility, essential for withstanding system pressures and vibrations. Both ends feature P-nut fittings, which are standard for secure and leak-free connections. The hose is designed for R134a refrigerant, the common refrigerant type in these models. Included with the hose are the necessary gaskets and fittings, including two green O-rings (part number 24684), ensuring a proper seal and preventing refrigerant leaks. This assembly does not include a switch, muffler, or bracket, focusing solely on the suction line function.

Common Applications and Issues Addressed

• Replacement of worn or damaged A/C refrigerant suction hoses
• Resolving refrigerant leaks caused by cracked or deteriorated hoses
• Restoring proper low-pressure refrigerant flow in the HVAC system
• Eliminating poor A/C performance due to faulty suction line components
• Maintaining system pressure integrity for efficient cooling

Installation Notes and Tips

• Ensure vehicle compatibility: specifically for INFINITI Armada and Nissan QX80 models
• Use included gaskets and O-rings to prevent leaks during installation
• Verify P-nut fittings are properly tightened to manufacturer torque specifications
• Inspect surrounding components for wear or damage during replacement
• Follow proper refrigerant handling and safety procedures

Quality Assurance and Warranty

The Four Seasons Hose Assembly 66396 is an OEM replacement part designed to meet or exceed original equipment specifications. It undergoes rigorous quality control to ensure durability and performance in the HVAC system. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or manufacturer resources for exact warranty terms.