Four Seasons 55651 A/C Refrigerant Discharge / Suction Hose Assembly

Four Seasons 55651 A/C Hose Assembly

The Four Seasons 55651 is an OE replacement A/C refrigerant discharge and suction hose assembly built for R134a systems. It combines aluminum and rubber construction with a female springlock discharge end, male springlock suction end, and included seals for a direct-service HVAC repair.

Compatible With 1990-1991 Ford Ranger, 1991 Ford Explorer, and 1991 Mazda Navajo applications, this hose assembly is a fitment-specific replacement for vehicles using the listed HVAC line configuration. Four Seasons hose assemblies are built around OE-style routing and connection points for serviceable air conditioning repairs.

Key Features

• Part number 55651
• Discharge and suction line assembly for automotive A/C systems
• Aluminum / rubber construction for line routing and vibration control
• R134a refrigerant type
• Female springlock discharge end and male springlock suction end
• Manifold design with muffler
• Included seals and O-rings
• OE replacement design
• Switch port included; switch not included
• Fittings not included

Detailed Description

Four Seasons 55651 is a replacement HVAC hose assembly for the A/C refrigerant discharge and suction circuit. It uses a female springlock discharge connection and a male springlock suction connection, with aluminum and rubber sections to match the original line layout on the listed Ford and Mazda applications. The assembly is configured for R134a refrigerant systems and includes a manifold and muffler for the specified OE-style setup.

This part cross-references UAC HA9362C and National 35028 for the same application. If you are replacing a leaking or damaged A/C hose on a 1990 Ford Ranger, 1991 Ford Explorer, or 1991 Mazda Navajo, Four Seasons 55651 provides the correct connection style and service-port configuration for those vehicles.

Common Repair Uses

• Repairing refrigerant leaks at the hose assembly
• Replacing cracked or deteriorated A/C hose sections
• Restoring proper discharge and suction line routing
• Addressing damaged springlock connections
• Correcting A/C performance loss caused by line failure

Installation Notes and Tips

Verify the vehicle’s A/C line layout, springlock end styles, and switch-port configuration before installation. Replace the included seals and O-rings during service, and inspect mating surfaces for corrosion, scoring, or debris before connecting the new hose assembly. Confirm the system is evacuated, leak-checked, and recharged with the correct R134a refrigerant specification after repair.

Quality Assurance

Four Seasons supplies OE replacement HVAC components for automotive air conditioning service. Part number 55651 is built to match the listed application details for proper fitment on the specified Ford Ranger, Ford Explorer, and Mazda Navajo models.