Four Seasons 66397 A/C Refrigerant Suction Hose

Reliable A/C Refrigerant Suction Hose for Nissan NV Series

The Four Seasons Hose Assembly 66397 is designed specifically for Nissan NV1500, NV2500, and NV3500 models. This A/C refrigerant suction hose ensures proper low-pressure refrigerant flow within your vehicle's HVAC system, maintaining optimal air conditioning performance.

• Constructed from durable aluminum and rubber materials for long-lasting use
• Equipped with P-nut fittings on both ends for secure connections
• Compatible with R134a refrigerant systems
• Includes gasket and fittings for a complete installation
• Features a 13 mm service port on the low-pressure side without a switch port
• OE replacement part designed to meet original equipment specifications

About the Four Seasons Hose Assembly Product Line

The Four Seasons Hose Assembly line focuses on providing high-quality hose assemblies tailored for HVAC systems. These assemblies are engineered to meet or exceed OEM standards, ensuring reliable refrigerant flow and system integrity. The 66397 suction hose is part of this line, offering a direct replacement solution for Nissan NV series vehicles requiring a low-pressure suction line without additional brackets or mufflers.

Product Details and Specifications

This A/C refrigerant suction hose is constructed from a combination of aluminum and rubber, providing flexibility and resistance to wear. Both ends feature P-nut fittings, facilitating a secure and leak-free connection. The hose is designed for use with R134a refrigerant and operates under low system pressure. Included with the hose are two black O-rings (part number 24150), a gasket, and necessary fittings to ensure a proper seal during installation. The hose assembly does not include a bracket, muffler, or switch, and it features one service port on the low-pressure side for maintenance access.

Common Applications and Issues Addressed

• Replacement of worn or damaged A/C suction hoses in Nissan NV1500, NV2500, and NV3500
• Resolving refrigerant leaks caused by cracked or deteriorated hoses
• Restoring proper refrigerant flow to improve air conditioning efficiency
• Eliminating low-pressure system failures due to faulty suction lines
• Ensuring compatibility with R134a refrigerant systems in Nissan NV series vehicles

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 66397, ensure all fittings and O-rings are properly seated to prevent leaks. Use the included gasket and fittings for a secure connection. Since this hose does not include a bracket or muffler, verify existing mounting points and supports on the vehicle before installation. The service port allows for easy refrigerant charging and system diagnostics. It is recommended to follow manufacturer guidelines for refrigerant handling and system evacuation during replacement.

Quality Assurance and Warranty

The Four Seasons Hose Assembly 66397 is an OE replacement part designed to meet original equipment specifications for Nissan NV1500, NV2500, and NV3500 models. It undergoes rigorous quality control to ensure durability and performance in HVAC applications. While specific warranty details are not provided, Four Seasons products typically come with a limited warranty against defects in materials and workmanship.