Four Seasons 55634 A/C Refrigerant Suction Hose

Four Seasons 55634 A/C Suction Hose Accumulator

Four Seasons 55634 is an A/C refrigerant suction hose accumulator assembly for R134a systems. It is built with an aluminum body and meets or exceeds OEM requirements for a direct replacement on select Ford and Mercury applications, including Ford Thunderbird, Ford Cougar, and Mercury Cougar models.

Key Features

• Brand: Four Seasons Accumulator line
• Part number: 55634
• Refrigerant type: R134a
• Accumulator w/ hose assembly for the suction side
• Aluminum construction
• Male insert O-ring inlet and male springlock outlet
• Includes switch port provision
• Meets or exceeds OEM specifications
• Compatible with select Ford and Mercury HVAC layouts

Product Details

This Four Seasons accumulator hose assembly is engineered for suction-side A/C service where the accumulator is integrated with the hose routing. The design uses a 5/8 in. inlet and 5/8 in. outlet, with a male insert O-ring inlet and male springlock outlet for the specified factory-style connections. The unit is configured without a bracket, manifold, muffler, or service port, and includes switch port provisions for the listed applications. Four Seasons 55634 is a practical OE-style replacement for vehicles using R134a refrigerant and factory air conditioning layouts.

The Four Seasons Accumulator product line focuses on replacement HVAC components that match original system architecture. For shoppers searching Ford Thunderbird A/C suction hose accumulator, Mercury Cougar accumulator hose assembly, or Ford Cougar HVAC suction line replacement, this part number 55634 is built to align with those factory configurations.

This part cross-references Standard Ignition 27483 for the same application.

What It Helps Address

• Damaged or leaking A/C suction hose assembly
• Failed accumulator housing in the refrigerant circuit
• Loss of suction-side sealing at O-ring or springlock connections
• Improper A/C system operation on R134a-equipped vehicles
• Factory-style replacement needs for select Ford and Mercury HVAC systems

Installation Notes and Tips

Verify the vehicle’s refrigerant type, connection style, and production date before installation. This assembly is listed for specific Ford and Mercury models, including 1983-1987 Ford Thunderbird, 1985-1987 Ford Cougar, 1982-1987 Mercury Cougar, and related Marquis and LTD applications shown in the fitment data. Confirm the suction line routing, switch port configuration, and O-ring connection points match the original part before evacuating and recharging the system.

For best results, replace worn seals and inspect mating surfaces for corrosion or damage during service. Proper evacuation and recharge procedures are required after A/C component replacement.

Quality Assurance

Four Seasons lists this accumulator hose assembly as meeting or exceeding OEM specifications, supporting factory-style fit and function for the specified applications.