Four Seasons 33124 A/C Accumulator

Four Seasons 33124 A/C Accumulator

Four Seasons 33124 is a complete aluminum A/C accumulator built for OE-style replacement in select GM applications. It features male insert O-ring inlet and outlet fittings, a switch port, and dimensions that match the listed vehicle applications for a direct-fit HVAC service part.

Compatible with 1991-1993 Buick Riviera, 1993 Cadillac Allante, 1991-1993 Cadillac Eldorado, 1991-1993 Cadillac Seville, 1991-1992 Oldsmobile Toronado, and 1991 Buick Reatta, this accumulator is a practical choice when servicing the air conditioning system on these vehicles.

Key Features

• Four Seasons accumulator, part number 33124
• Aluminum body with complete-unit construction
• Male insert O-ring inlet and outlet fittings
• Switch port included; no service port
• Meets or exceeds OEM requirements
• Direct-fit dimensions: 3.500 in. body diameter and 8.000 in. body length
• Cross-reference: Monroe Shocks & Struts 172748 for the same application

Product Details

The Four Seasons Accumulator line focuses on replacement HVAC components that match factory-style fitment and connection points. This 33124 A/C accumulator is designed for systems that use a 3/4 in. male insert O-ring inlet and outlet, with a 0.250 in. switch port diameter. The aluminum construction supports corrosion resistance in underhood A/C service, while the OE-matching form factor helps maintain proper refrigerant management in the system.

Use Four Seasons 33124 when replacing a worn or leaking accumulator on a Buick Riviera, Cadillac Eldorado, Cadillac Seville, Cadillac Allante, Oldsmobile Toronado, or Buick Reatta equipped with the listed A/C setup. This part number 33124 is also a common cross-reference for technicians sourcing an OE-style accumulator replacement.

Common A/C Problems This Part Addresses

• Refrigerant loss from a leaking accumulator housing or fittings
• Moisture contamination in the A/C system after component failure
• Poor cooling performance caused by restricted or damaged accumulator internals
• Service issues related to worn O-ring sealing surfaces
• Fault codes or switch-port related service concerns on equipped systems

Installation Notes

• Verify the inlet and outlet fitting style before installation.
• Replace the specified O-rings during A/C service to maintain sealing integrity.
• Inspect the surrounding hoses, compressor, and condenser for contamination or wear before reassembly.
• Mounting hardware is not included.
• Confirm vehicle-specific fitment for 1991-1993 Buick Riviera, 1993 Cadillac Allante, 1991-1993 Cadillac Eldorado, 1991-1993 Cadillac Seville, 1991-1992 Oldsmobile Toronado, and 1991 Buick Reatta before ordering.

Quality Assurance

This Four Seasons accumulator is built to meet or exceed OEM specifications for the listed applications. The part number 33124 is engineered as an OE-style replacement for factory HVAC service on the covered Buick, Cadillac, and Oldsmobile models.