Four Seasons 55751 A/C Discharge and Liquid Line

OE-Style A/C Discharge and Liquid Line

Four Seasons 55751 is an OE replacement hose assembly for the high-pressure side of the air conditioning system. Built with aluminum and rubber construction, it is made for 1993-1995 Dodge Caravan and 1993-1995 Plymouth Voyager applications that use an R134a refrigerant system.

This Four Seasons Hose Assembly line focuses on direct-fit HVAC hose and pipe replacements for serviceable A/C repairs. Part number 55751 follows the original equipment layout with a block discharge end, block liquid line style, manifold, muffler, and a high-side service port.

Key Features

• Part number 55751 A/C discharge and liquid line assembly
• OE replacement for factory-style HVAC service
• Aluminum / rubber construction for high-pressure A/C routing
• Designed for R134a refrigerant systems
• Includes gasket or seal and fittings
• Includes one high-side service port with R134-A quick disconnect
• Service port thread: M10 x 1.25
• Block discharge end and block liquid line style
• Captured O-ring suction end with No. 8 suction end size
• Includes manifold and muffler

Detailed Description

Four Seasons 55751 is a hose assembly for the A/C discharge and liquid line circuit, built for high-pressure operation in R134a systems. It uses aluminum and rubber materials and includes the OE-style connection points needed for a direct replacement on 1993-1995 Dodge Caravan and 1993-1995 Plymouth Voyager models. The assembly includes a high-side service port, block fittings, and the specified gasket and O-ring sealing points for the condenser and filter drier interfaces.

Use this part when servicing the discharge and liquid line path on the Dodge Caravan or Plymouth Voyager and you need a replacement that matches the original routing and connection style. Part number 55751 is also a useful search term when looking for an OE replacement A/C hose assembly for these vans.

What It Helps Fix

• Refrigerant loss from cracked or leaking A/C hose sections
• Damaged block fittings or worn sealing surfaces
• High-side service port issues on the discharge/liquid line
• Corrosion or deterioration in the original hose assembly
• Poor A/C performance caused by a compromised high-pressure line

Installation Notes and Tips

Before installation, verify the vehicle uses an R134a system and confirm the hose routing, block fittings, and service port style match the original part. Replace any disturbed seals and O-rings during service, and evacuate and recharge the system according to factory procedures after installation. This assembly is listed for 1993-1995 Dodge Caravan and 1993-1995 Plymouth Voyager, so match the vehicle year and configuration before ordering.

Quality Assurance

Four Seasons supplies OE replacement HVAC components for automotive air conditioning repair. This part number 55751 is built to match the original discharge and liquid line application for the listed Dodge Caravan and Plymouth Voyager fitments.

This part cross-references UAC (e.g., HA112010C) for the same application.