Four Seasons 55758 A/C Discharge and Liquid Line

Overview of Four Seasons Hose Assembly 55758

The Four Seasons Hose Assembly 55758 is designed for high-pressure A/C systems using R134a refrigerant. This hose assembly is compatible with various Dodge models including D150, D250, D350, Ramcharger, W150, W250, and W350, providing reliable performance in HVAC applications.

• Constructed with durable aluminum and rubber materials
• Includes necessary gaskets and fittings for installation
• Equipped with a service port and bracket for secure mounting
• Designed for high-pressure A/C discharge and liquid line use
• OEM replacement part ensuring proper fit and function

Four Seasons Hose Assembly Product Line Details

The Four Seasons Hose Assembly product line focuses on delivering complete hose assemblies for automotive HVAC systems. These assemblies combine aluminum and rubber components to withstand high system pressures and provide a secure, leak-free connection. The 55758 part is part of this line, offering a direct replacement solution with included gaskets, fittings, and a mounting bracket to simplify installation and maintain system integrity.

Detailed Product Description

This hose assembly features a block-type discharge end and a flange suction end with a sealing washer, designed to fit securely on the compressor discharge port and condenser block fitting. It includes three O-rings ([24066], [24124], and [24139]) to ensure a tight seal at critical connection points. The assembly supports R134a refrigerant and is built to handle high system pressures typical in Dodge D150, D250, D350, Ramcharger, W150, W250, and W350 A/C systems. The included service port and bracket facilitate maintenance and secure installation without the need for additional components.

Common Applications and Issues Addressed

• Replacement of worn or leaking A/C discharge and liquid lines
• Restoring proper refrigerant flow in Dodge D150, D250, D350, Ramcharger, W150, W250, and W350 HVAC systems
• Resolving high-pressure leaks caused by damaged hoses or fittings
• Eliminating refrigerant loss due to faulty seals or gaskets
• Supporting system pressure requirements for efficient cooling performance

Installation Notes and Tips

When installing the Four Seasons Hose Assembly 55758, ensure all included O-rings are properly seated to prevent leaks. The bracket should be securely fastened to maintain hose positioning and reduce vibration. Use the service port for system diagnostics or refrigerant charging. This assembly is designed as a direct OEM replacement, so no modifications should be necessary for compatible Dodge models.

Quality Assurance and Warranty

Four Seasons provides this hose assembly as an OEM replacement part, meeting or exceeding original equipment specifications. The inclusion of all necessary gaskets and fittings supports a reliable installation. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty against defects in materials and workmanship.