Four Seasons 33091 A/C Accumulator

Four Seasons 33091 A/C Accumulator

The Four Seasons 33091 accumulator is a complete A/C accumulator assembly built for HVAC systems that use a service port and switch port. It is a steel unit with male insert O-ring inlet and outlet fittings, sized for direct replacement in confirmed Ford truck and SUV applications.

For Ford F-150, F-250, F-250 HD, F-350, and Bronco models, this accumulator supports proper refrigerant management in the air conditioning system. The Four Seasons Accumulator line focuses on OE-style replacement parts, and part number 33091 meets or exceeds OEM requirements.

Key Features

• Four Seasons part number 33091
• Accumulator / receiver drier style HVAC component
• Steel body construction
• Complete unit with service port and switch port
• Male insert O-ring inlet and outlet fittings
• Body diameter: 3.500 in. | Body length: 9.500 in.
• Meets or exceeds OEM specifications
• Includes required green O-ring seals for the listed ports

Detailed Description

This A/C accumulator is used in the refrigerant circuit to help manage moisture and protect the system during operation. The Four Seasons 33091 is built with a 5/8 in. inlet and 3/4 in. outlet, plus a 0.472 in. switch port, making it a direct-fit style replacement for the listed Ford applications. It is a practical choice when servicing the HVAC system on 1994-1997 Ford F-150, 1994-1997 Ford F-250, 1997 Ford F-250 HD, 1994-1997 Ford F-350, and 1994-1996 Ford Bronco models.

This part cross-references Gates 7483 and UAC RD7207SC for the same application.

What It Helps Address

• Loss of A/C cooling performance caused by a restricted or worn accumulator
• Moisture contamination in the refrigerant circuit
• Improper refrigerant flow management in the HVAC system
• Leaks at accumulator connections or service port areas
• Fault codes or service issues related to the accumulator switch port

Installation Notes and Tips

Verify the inlet and outlet fitting sizes, switch port presence, and body dimensions before installation. Replace the O-ring seals at the connections, evacuate the system, and recharge the A/C system to the vehicle manufacturer’s specifications after service. Mounting hardware is not included.

For Ford F-150, F-250, F-250 HD, F-350, and Bronco service work, confirm the existing accumulator uses a male insert O-ring design and a switch port before ordering. The Four Seasons 33091 is intended for direct replacement in the listed applications.

Quality Assurance

Four Seasons 33091 is engineered as an OE-style replacement accumulator and meets or exceeds OEM specifications for the listed vehicles. The Four Seasons Accumulator line is built for consistent fitment and serviceability in automotive HVAC repair.