Four Seasons 55321 A/C Refrigerant Discharge / Suction Hose Assembly

Overview of Four Seasons Hose Assembly 55321

The Four Seasons Hose Assembly 55321 is designed specifically for Ford Explorer and Mazda Navajo models, providing reliable A/C refrigerant discharge and suction line functionality. This hose assembly is engineered to meet original equipment specifications, ensuring proper fit and performance in your vehicle's HVAC system.

• Constructed from durable aluminum and rubber materials
• Compatible with R134a refrigerant type
• Includes green O-rings (part numbers 24668 and 24670) for secure sealing
• Equipped with a female springlock discharge end (0.500 inch) and male springlock suction end (0.625 inch)
• Features a built-in muffler and manifold for noise reduction and system efficiency
• Includes a switch service port with R134a quick disconnect for easy servicing
• Does not include fittings or brackets

Four Seasons Hose Assembly Product Line Details

The Four Seasons Hose Assembly product line focuses on providing high-quality HVAC hoses and pipes that meet or exceed original equipment standards. This line is designed to offer reliable refrigerant flow and system integrity for various vehicle makes and models. The 55321 hose assembly exemplifies this commitment by combining robust materials and precise engineering to support the A/C system's discharge and suction functions.

Detailed Product Description

This A/C refrigerant discharge and suction hose assembly is constructed with aluminum and rubber to withstand the pressures and temperatures typical in automotive HVAC systems. It is compatible with R134a refrigerant, the standard for many modern vehicles, including the Ford Explorer and Mazda Navajo. The assembly includes three green O-rings of each type (24668 and 24670) to ensure leak-free connections. The discharge end features a 0.500-inch female springlock fitting, while the suction end has a 0.625-inch male springlock fitting, both designed for secure and quick installation. Additionally, the hose assembly includes a muffler and manifold to reduce noise and improve system performance. A switch service port with a quick disconnect is integrated for convenient maintenance and diagnostics.

Common Applications and Issues Addressed

• Replacement of worn or damaged A/C refrigerant discharge and suction hoses
• Resolving refrigerant leaks caused by degraded seals or fittings
• Addressing A/C system noise through the included muffler
• Improving refrigerant flow and system efficiency in Ford Explorer and Mazda Navajo HVAC systems
• Facilitating easier A/C system servicing with the built-in switch service port

Installation Notes and Tips

• Ensure compatibility with your specific Ford Explorer or Mazda Navajo model year before installation
• Use the included green O-rings to replace old seals and prevent refrigerant leaks
• Do not reuse old fittings; this assembly does not include fittings, so source appropriate fittings separately
• Handle the aluminum and rubber components carefully to avoid damage during installation
• Verify the switch service port connection for proper function after installation

Quality Assurance and Warranty

The Four Seasons Hose Assembly 55321 is an original equipment replacement part designed to meet strict quality standards. It includes all necessary O-rings and a switch service port to ensure proper sealing and serviceability. While specific warranty details are not provided here, Four Seasons products typically come with manufacturer-backed warranties covering defects in materials and workmanship. Always consult the product packaging or manufacturer documentation for exact warranty terms.