Four Seasons 65646 A/C Refrigerant Liquid Hose

Reliable A/C Refrigerant Liquid Hose for Nissan Altima and Maxima

The Four Seasons Hose Assembly part number 65646 is designed specifically for Nissan Altima and Maxima models. This high-pressure A/C refrigerant liquid hose ensures proper coolant flow and system integrity for vehicles using R134-a refrigerant.

• Constructed from durable aluminum and rubber materials
• Compatible with R134-a refrigerant systems
• Includes gasket and fittings for secure connections
• Equipped with green O-rings (part number 24606), quantity two
• Designed as a liquid line hose assembly without a switch or service port
• Features a flange suction end type and a 16 mm high side service port size
• Includes an orifice tube for system regulation
• OEM replacement part ensuring proper fit and function

Four Seasons Hose Assembly Product Line Overview

The Four Seasons Hose Assembly product line focuses on delivering reliable hose assemblies tailored for automotive HVAC systems. This line emphasizes compatibility with original equipment specifications, providing components like the 65646 hose assembly that meet or exceed factory standards for Nissan vehicles. The assemblies are engineered to handle high system pressures and maintain refrigerant integrity, supporting efficient air conditioning performance.

Product Details and Specifications

The Four Seasons 65646 hose assembly is constructed from a combination of aluminum and rubber, providing durability and flexibility required for high-pressure A/C systems. It is designed for use with R134-a refrigerant, common in many Nissan Altima and Maxima models. This liquid line hose assembly includes two green O-rings (part number 24606) to ensure a tight seal and prevent leaks. The hose assembly does not include a switch or service port but features an orifice tube to regulate refrigerant flow. The flange suction end type and 16 mm high side service port size are engineered to match OEM specifications, making it a direct replacement part for Nissan vehicles.

Common Applications and Issues Addressed

• Replacement of worn or damaged A/C refrigerant liquid hoses
• Resolving refrigerant leaks due to degraded seals or fittings
• Restoring proper refrigerant flow in Nissan Altima and Maxima A/C systems
• Addressing high-pressure system failures related to hose integrity
• Maintaining system pressure and preventing contamination

Installation Notes and Tips

When installing the Four Seasons 65646 hose assembly, ensure the vehicle’s A/C system is fully depressurized and evacuated before removal of the old hose. Verify that the green O-rings are properly seated to prevent leaks. Since this assembly does not include a service port or bracket, confirm compatibility with your vehicle’s existing mounting points. Use appropriate tools to avoid damage to fittings and connections during installation.

Quality Assurance and Warranty

Four Seasons products are manufactured to meet or exceed OEM standards, ensuring reliable performance in Nissan Altima and Maxima vehicles. The 65646 hose assembly is an OEM replacement part, providing assurance of fit and function. Warranty details are provided by Four Seasons and typically cover defects in material and workmanship under normal use.