Four Seasons 33206 A/C Accumulator

Four Seasons 33206 A/C Accumulator Overview

The Four Seasons 33206 A/C accumulator is a complete aluminum replacement for select GM applications that use a female O-ring inlet and male insert O-ring outlet. It includes a switch port and meets or exceeds OEM specifications for a direct-fit HVAC service solution.

Compatible with 1990-1993 Buick Regal and 1992-1993 Oldsmobile Cutlass Ciera, this Four Seasons accumulator is built for vehicles that require an accumulator with a switch port and no service port on the body. The Four Seasons 33206 is also referenced under common aftermarket cross numbers for the same application.

Key Features

• Part number: 33206
• Brand line: Accumulator
• Complete unit construction
• Aluminum body for HVAC system replacement
• Female O-ring inlet and male insert O-ring outlet
• Switch port included; no service port on body
• Meets or exceeds OEM specifications
• Direct-fit style for select Buick and Oldsmobile applications

Product Details

The Four Seasons 33206 accumulator is used in automotive air conditioning systems to manage refrigerant flow and moisture separation on the low-pressure side of the HVAC circuit. Its 3.500-inch body diameter and 9.000-inch body length support the original equipment form factor, while the aluminum construction helps match factory-style replacement requirements. This part number 33206 is listed for 1990-1993 Buick Regal and 1992-1993 Oldsmobile Cutlass Ciera applications with the specified accumulator configuration.

Four Seasons positions this accumulator line as an OE-style replacement option, and this unit is specified with a switch port, green O-ring sealing points, and no service port on the body. For shoppers searching for a 1990-1993 Buick Regal A/C accumulator or a 1992-1993 Oldsmobile Cutlass Ciera accumulator, the Four Seasons 33206 provides the correct fitment profile for those vehicles.

This part cross-references Monroe Shocks & Struts 172708 for the same application.

What It Helps Fix

• Loss of A/C cooling performance caused by a restricted or failing accumulator
• Moisture contamination in the refrigerant circuit
• Improper refrigerant storage on the low-pressure side of the system
• Leaks at accumulator O-ring connections
• HVAC service issues on vehicles requiring a switch-port accumulator

Installation Notes

Verify inlet and outlet fitting style before installation: female O-ring inlet, male insert O-ring outlet, and switch port configuration must match the vehicle’s original setup. Replace the accumulator when opening the A/C system for major service, and inspect the mating lines, seals, and related HVAC components for wear or contamination. Mounting hardware is not included.

For fitment-specific searches, this part fits 1990-1993 Buick Regal and 1992-1993 Oldsmobile Cutlass Ciera, N/A. Confirm the vehicle’s original accumulator style before ordering the Four Seasons 33206.

Quality Assurance

This accumulator meets or exceeds OEM specifications and is built as a direct replacement for the listed applications. Four Seasons 33206 is engineered to match the required HVAC connection style and system layout for the confirmed fitment vehicles.