Four Seasons 55604 A/C Refrigerant Suction Hose

Four Seasons 55604 A/C Suction Hose Accumulator

Four Seasons 55604 is an accumulator with hose assembly for R134a air conditioning systems. Built with an aluminum body and springlock connections, it is a direct-fit HVAC hose and accumulator solution for select Ford Taurus and Mercury Sable applications.

Key Features

• Brand: Four Seasons Accumulator line
• Part number: 55604
• Refrigerant type: R134a
• Aluminum construction
• Suction-side design with hose assembly
• Male springlock inlet and female springlock outlet
• Includes switch port provision
• Meets or exceeds OEM requirements
• Compatible with Ford Taurus and Mercury Sable fitments listed below

Product Details

This Four Seasons 55604 accumulator is engineered for suction-side A/C service and uses a 3/4 in. inlet and outlet with springlock ends for secure refrigerant line connection. The accumulator body measures 8.000 in. long and 3.500 in. in diameter, with a 203.200 mm overall length and 88.900 mm body diameter. It is configured without a mounting bracket, manifold, muffler, or service port, and it includes a switch port with a 0.250 in. diameter. Four Seasons 55604 is a practical replacement for vehicles that require an accumulator w/ hose assembly in an R134a system.

Compatible With 1986-1990 Ford Taurus, accumulator and suction line w/ accumulator applications. Compatible With 1986-1990 Mercury Sable, accumulator applications. Compatible With 1988-1990 Mercury Sable, suction line w/ accumulator; w/ FX15 compressor; accumulator applications. Compatible With 1986-1987 Mercury Sable, suction line w/ accumulator; accumulator applications.

This part cross-references Gates 27633 for the same application.

Common Repair Uses

• Replacing a leaking or damaged A/C suction hose assembly
• Restoring proper refrigerant flow in an R134a system
• Addressing accumulator housing or hose connection wear
• Repairing springlock connection issues at the suction side
• Correcting A/C performance problems tied to accumulator failure

Installation Notes and Tips

Verify the inlet and outlet springlock style, switch port configuration, and overall dimensions before installation. Replace O-rings and inspect mating A/C lines, compressor connections, and accumulator mounting points for wear or contamination. Evacuate and recharge the system according to the vehicle service procedure after installation.

Quality Assurance

Four Seasons lists this accumulator as meeting or exceeding OEM requirements. The Four Seasons Accumulator line is built for service replacement applications where accurate fitment and refrigerant-system compatibility matter.