Four Seasons 56678 A/C Refrigerant Discharge Hose

Overview of Four Seasons Hose Assembly 56678

The Four Seasons Hose Assembly 56678 is designed specifically for Toyota RAV4 models requiring a reliable A/C refrigerant discharge hose. Engineered to meet original equipment specifications, this hose assembly ensures proper refrigerant flow and system integrity for vehicles using R134a refrigerant.

• Compatible with Toyota RAV4 A/C systems
• Refrigerant type: R134a
• Includes gasket and fittings for secure installation
• Discharge line component without switch or bracket
• Equipped with green O-rings (part number 24661), quantity 2
• Original Equipment (O.E.) replacement part
• Suction end features P-nut fitting

About the Four Seasons Hose Assembly Product Line

The Four Seasons Hose Assembly line focuses on delivering precise hose assemblies tailored for HVAC systems in various vehicles. This product line emphasizes compatibility and quality by including necessary fittings and seals, such as gaskets and O-rings, to facilitate a proper seal and fit. The 56678 hose assembly is part of this line, providing a direct replacement for the Toyota RAV4’s A/C refrigerant discharge hose without additional components like brackets or mufflers, streamlining installation and maintenance.

Detailed Product Description

This A/C refrigerant discharge hose from Four Seasons is engineered for Toyota RAV4 models that utilize R134a refrigerant. The hose assembly includes all essential fittings and a gasket to ensure a leak-free connection. It does not include a service port or switch, making it suitable for systems that do not require these features. The suction end uses a P-nut fitting for secure attachment. Two green O-rings (part number 24661) are included to maintain system integrity and prevent refrigerant leaks. As an O.E. replacement, part number 56678 meets factory standards for fit and function.

Common Applications and Issues Addressed

• Replacement of worn or cracked A/C refrigerant discharge hoses
• Resolving refrigerant leaks in Toyota RAV4 A/C systems
• Restoring proper refrigerant flow for efficient cooling
• Eliminating issues caused by damaged or missing seals and fittings
• Upgrading to a factory-spec hose assembly for reliable performance

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 56678, ensure the system is fully evacuated and depressurized before removal of the old hose. Verify that the included green O-rings are properly seated to prevent leaks. Since this assembly does not include a service port or switch, confirm compatibility with your vehicle’s A/C system configuration. Tighten fittings to manufacturer torque specifications and inspect for leaks after installation.

Quality Assurance and Warranty

Four Seasons provides this hose assembly as an O.E. replacement part, ensuring it meets or exceeds original equipment standards for durability and performance. The inclusion of factory-style fittings and seals supports long-term reliability. Warranty details are provided by Four Seasons and typically cover defects in materials and workmanship under normal use.