Four Seasons
Accumulator

Four Seasons 33900 A/C Accumulator

Brand Four Seasons 33900
Body Diameter 3.500
Body Length 6.500
Description Accumulators
Dia. MM 88.900
Friction Material Attachment w/o Service Port
Inlet Fitting Diameter 5/8
Inlet Fitting Type Male Springlock
Inlet IN 0.625
Inlet MM 15.875
Length MM 165.100
Material Steel
Meets / Exceeds OEM? Yes
Mounting Hardware? Not Included
O-Ring A Number/Desc [24676] / Green O-Ring
O-Ring B Number/Desc [24220] / Spring
O-Ring C Number/Desc [24670] / Green O-Ring
Outlet Fitting Diameter 0.625
Outlet Fitting Type Barb Fitting
Outlet Fraction 5/8
Outlet MM 15.875
Style Complete Unit
Switch w/ Switch Port
Switch Port Dia. IN 0.472
Switch Port Dia.MM 12.000
Type Accumulator
Product line Accumulator
Fits Ford and Mercury · 9 vehicles

OE direct replacement. Meets or exceeds OEM requirements for dependable A/C service.

Steel construction. Built as a complete unit for durable HVAC performance.

Switch port included. Supports systems that use a switch port without a service port.

Cross-references Four Seasons 33900, UAC RD7200C and Walker Exhaust 16431 for the same application. See all 24.

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Four Seasons 33900 A/C Accumulator

The Four Seasons 33900 A/C accumulator is a complete steel replacement unit for select Ford and Mercury applications. It is built to meet or exceed OEM requirements and is specified for 1991-1993 Ford Cougar, 1991-1993 Ford Thunderbird, and 1991-1993 Mercury Cougar HVAC systems.

Key Features

  • Brand: Four Seasons Accumulator line
  • Part number: 33900
  • Complete unit A/C accumulator construction
  • Steel body with 3.500 in. diameter and 6.500 in. length
  • Male springlock inlet fitting, 5/8 in.
  • Barb fitting outlet, 5/8 in.
  • Includes switch port; no service port
  • Meets or exceeds OEM specifications
  • Compatible with 1991-1993 Ford Cougar, 1991-1993 Ford Thunderbird, and 1991-1993 Mercury Cougar

Product Details

Four Seasons Accumulator products are built for direct-fit HVAC service where correct refrigerant storage and moisture control are critical. This Four Seasons 33900 accumulator uses a steel housing, springlock inlet, and barb outlet layout to match the listed vehicle applications. It is a direct replacement for the original A/C accumulator used on 1991-1993 Ford Cougar, 1991-1993 Ford Thunderbird, and 1991-1993 Mercury Cougar models, and it cross-references UAC RD7200C for the same application.

Additional specifications include an 88.900 mm body diameter, 165.100 mm body length, and a 12.000 mm switch port diameter. O-ring and spring service components are referenced by the manufacturer, and the unit is listed as a complete unit with mounting hardware not included.

Common Problems This Part Can Address

  • Loss of A/C cooling performance caused by a restricted or worn accumulator
  • Moisture contamination in the refrigerant circuit
  • Improper refrigerant storage after compressor cycling
  • Leaks at aging accumulator connections or fittings
  • HVAC service issues on 1991-1993 Ford Cougar, Ford Thunderbird, and Mercury Cougar systems

Installation Notes and Tips

Verify inlet and outlet fitting style, switch port configuration, and body dimensions before installation. Replace any disturbed seals and follow standard evacuation and recharge procedures after service. Because mounting hardware is not included, confirm the vehicle’s existing brackets and fasteners are serviceable before beginning the repair.

Quality Assurance

This Four Seasons 33900 accumulator is listed as meeting or exceeding OEM specifications for the stated applications. Use it when you need a direct replacement A/C accumulator for 1991-1993 Ford Cougar, 1991-1993 Ford Thunderbird, or 1991-1993 Mercury Cougar HVAC service.

This part fits 9 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
1993FordCougar5.0LV8N/AAccumulator
1993FordThunderbird5.0LV8N/AAccumulator
1993MercuryCougar5.0LV8N/AAccumulator
1992FordCougar5.0LV8N/AAccumulator
1992FordThunderbird5.0LV8N/AAccumulator
1992MercuryCougar5.0LV8N/AAccumulator
1991FordCougar5.0LV8N/AAccumulator
1991FordThunderbird5.0LV8N/AAccumulator
1991MercuryCougar5.0LV8N/AAccumulator
Directly replaces or cross-references 24 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Four Seasons — 33900UAC — RD7200CWalker Exhaust — 16431Wix — 426951AMAC3390042604260B16431D1728912078914085176045077060661510773193596937060661113390019188830A78517AC2223CCWK706066ED891RD7200T33900