Four Seasons 65677 A/C Refrigerant Liquid Hose

Overview of Four Seasons Hose Assembly 65677

The Four Seasons Hose Assembly 65677 is designed specifically for high-pressure A/C refrigerant liquid line applications in select INFINITI and Nissan vehicles. Engineered with durable aluminum and brass materials, this hose assembly ensures reliable performance for the R134-a refrigerant system in models like the Nissan Maxima and INFINITI I30.

• Constructed from aluminum and brass for durability and corrosion resistance
• Compatible with R134-a refrigerant systems operating under high pressure
• Includes necessary fittings and gaskets for a complete installation
• Equipped with an orifice tube and flange suction end type
• Designed without a switch service port or bracket for direct replacement
• O-ring set included (part number 24607) with two O-rings for sealing
• OE replacement part ensuring proper fit and function

Four Seasons Hose Assembly Product Line Details

The Four Seasons Hose Assembly product line focuses on providing reliable hose assemblies tailored for HVAC systems in automotive applications. This line includes components designed to meet or exceed original equipment specifications, offering direct replacements that maintain system integrity. The 65677 hose assembly is part of this line, delivering a liquid line hose assembly without a service port but with an orifice tube, suitable for specific Nissan and INFINITI models.

Detailed Product Description

This A/C refrigerant liquid hose assembly (part number 65677) is engineered for high-pressure operation within R134-a refrigerant systems. The combination of aluminum and brass materials provides strength and resistance to corrosion, essential for maintaining system reliability over time. The assembly includes all necessary fittings and gaskets, simplifying installation and ensuring a secure, leak-free connection. The flange suction end type and inclusion of an orifice tube support proper refrigerant flow and system performance. This hose assembly is designed without a switch service port or mounting bracket, matching the original equipment configuration for the Nissan Maxima and INFINITI I30 models.

Common Applications and Issues Addressed

• Replacement of worn or damaged A/C liquid line hoses in Nissan Maxima and INFINITI I30
• Resolving refrigerant leaks caused by cracked or corroded hose assemblies
• Restoring proper refrigerant flow and pressure in high-pressure A/C systems
• Eliminating system contamination from failed orifice tubes or seals
• Maintaining system integrity with OE replacement parts for reliable HVAC performance

Installation Notes and Tips

• Ensure compatibility with Nissan Maxima and INFINITI I30 models before installation
• Use included gaskets and O-rings (part number 24607) to prevent leaks
• Verify the absence of a switch service port and bracket matches vehicle configuration
• Handle aluminum and brass fittings carefully to avoid damage during installation
• Follow manufacturer torque specifications for fittings and flange connections

Quality Assurance and Warranty

The Four Seasons Hose Assembly 65677 is manufactured to meet original equipment standards, providing a reliable replacement for Nissan and INFINITI A/C systems. The inclusion of all necessary fittings and seals supports a secure installation. While specific warranty details are not provided, Four Seasons products typically adhere to industry quality controls to ensure durability and performance in automotive HVAC applications.