HomeHVAC > A/C Accumulator / Receiver DrierFour Seasons 33187 A/C Accumulator
Part #: 33187

Four Seasons 33187 A/C Accumulator

Accumulator
⚙️ 41 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Accumulator
🚗Fitment: Buick, Chevrolet, Pontiac, and Oldsmobile, LeSabre, Caprice, Electra, Safari, Parisienne, Regal, Impala, Custom Cruiser, Delta 88, 6000, and 98
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Overview of Four Seasons Accumulator 33187

The Four Seasons Accumulator 33187 is designed to maintain optimal performance in your vehicle's A/C system. Engineered for select Buick, Chevrolet, Oldsmobile, and Pontiac models, this accumulator ensures efficient refrigerant flow and moisture removal.

  • Brand: Four Seasons
  • Brand Line: Accumulator
  • Part Number: 33187
  • Material: Durable aluminum construction
  • Body Diameter: 3.5 inches (88.9 mm)
  • Body Length: 9 inches (228.6 mm)
  • Inlet Fitting: Female o-ring, 3/4 inch (19.05 mm)
  • Outlet Fitting: Male insert o-ring, 3/4 inch (19.05 mm)
  • Switch Port: Included with 1/4 inch (6.35 mm) diameter
  • O-Rings: Includes two green o-rings for inlet and outlet fittings
  • Meets or exceeds OEM specifications

Detailed Product Description

This Four Seasons Accumulator 33187 is a complete unit designed to fit specific Buick, Chevrolet, Oldsmobile, and Pontiac vehicles such as the Caprice, Custom Cruiser, Delta 88, Impala, LeSabre, Parisienne, Regal, and Safari. Constructed from aluminum, it offers corrosion resistance and durability under typical automotive conditions. The accumulator features a 3.5-inch body diameter and a 9-inch length, providing the necessary volume to trap moisture and debris from the refrigerant. It includes a female o-ring inlet fitting and a male insert o-ring outlet fitting, both sized at 3/4 inch, ensuring a secure and leak-free connection. The unit also comes with a switch port, allowing integration with the vehicle’s A/C system monitoring components.

About the Four Seasons Accumulator Product Line

The Four Seasons Accumulator product line focuses on delivering reliable A/C system components that meet or exceed original equipment manufacturer (OEM) standards. This line is engineered to provide precise fitment and function for a range of domestic vehicles, including the Buick, Chevrolet, Oldsmobile, and Pontiac models listed. The Accumulator line emphasizes quality materials and design to support efficient refrigerant management and system longevity.

Common Applications and Issues Addressed

  • Prevents moisture and debris from entering the A/C compressor
  • Helps maintain proper refrigerant flow and pressure
  • Reduces risk of compressor damage due to contaminants
  • Supports consistent cooling performance in Buick, Chevrolet, Oldsmobile, and Pontiac A/C systems
  • Addresses issues related to refrigerant leaks and system inefficiency

Installation Notes and Tips

  • Ensure compatibility with your specific vehicle make and model before installation
  • Use the included green o-rings ([24650] and [24612]) to ensure proper sealing
  • Mounting hardware is not included; reuse existing hardware or source appropriate fasteners
  • Inspect the A/C system for leaks and contamination before installing the accumulator
  • Follow manufacturer torque specifications for inlet and outlet fittings

Quality Assurance and Warranty

The Four Seasons Accumulator 33187 meets or exceeds OEM specifications, ensuring reliable performance and durability. Manufactured from high-quality aluminum, this part is designed to withstand typical automotive operating conditions. While specific warranty details are not provided, Four Seasons products generally come with a limited warranty covering defects in material and workmanship. Verify warranty terms with the product documentation or supplier.

BrandFour Seasons
Part Number33187
PositionAccumulator
Body Diameter3.500
Body Length9.000
DescriptionAccumulators
Dia. MM88.900
Friction Material Attachmentw/o Service Port
Inlet Fitting Diameter3/4
Inlet Fitting TypeFemale O-Ring
Inlet IN0.750
Inlet MM19.050
Length MM228.600
MaterialAluminum
Meets / Exceeds OEM?Yes
Mounting Hardware?Not Included
O-Ring A Number/Desc[24650] / Green O-Ring
O-Ring B Number/Desc[24612] / Green O-Ring
Outlet Fitting Diameter0.750
Outlet Fitting TypeMale Insert O-Ring
Outlet Fraction3/4
Outlet MM19.050
StyleComplete Unit
Switchw/ Switch Port
Switch Port Dia. IN0.250
Switch Port Dia.MM6.350
TypeAccumulator

This part fits 41 vehicles. Search below:

YearMakeModelBody TypeLitersCylindersPositionNotes
1990BuickLeSabreWagon5.0LV8N/AAccumulator
1990ChevroletCapriceN/AAccumulator
1989BuickLeSabreWagon5.0LV8N/AAccumulator
1989ChevroletCapriceN/AAccumulator
1989PontiacSafariN/AAccumulator
1988BuickLeSabreWagon5.0LV8N/AAccumulator
1988ChevroletCapriceN/AAccumulator
1988PontiacSafariN/AAccumulator
1987BuickLeSabreWagon5.0LV8N/AAccumulator
1987ChevroletCapriceN/AAccumulator
1987PontiacSafariN/AAccumulator
1986BuickLeSabreWagon5.0LV8N/AAccumulator
1986ChevroletCapriceN/AAccumulator
1986PontiacParisienneN/AAccumulator
1985BuickLeSabreSedan5.7LV8N/AAccumulator
1985BuickLeSabreWagon5.7LV8N/AAccumulator
1985BuickLeSabreCoupe5.7LV8N/AAccumulator
1985BuickLeSabreSedan5.0LV8N/AAccumulator
1985BuickLeSabreWagon5.0LV8N/AAccumulator
1985BuickLeSabreCoupe5.0LV8N/AAccumulator
1985BuickRegalCoupe5.7LV8N/AAccumulator
1985ChevroletCapriceN/AAccumulator
1985ChevroletImpalaN/AAccumulator
1985OldsmobileCustom CruiserN/AAccumulator
1985OldsmobileDelta 88N/AAccumulator
1985Pontiac60002.8LV6N/AOnly compatible with automatic A/C equipped vehicles.; Accumulator
1985PontiacParisienneN/AAccumulator
1984BuickLeSabreSedan5.7LV8N/AAccumulator
1984BuickLeSabreCoupe5.7LV8N/AAccumulator
1984BuickLeSabreSedan3.8LV6N/AAccumulator
1984BuickLeSabreCoupe3.8LV6N/AAccumulator
1984BuickLeSabreSedan5.0LV8N/AAccumulator
1984BuickLeSabreCoupe5.0LV8N/AAccumulator
1984BuickLeSabreSedan4.1LV6N/AAccumulator
1984BuickLeSabreCoupe4.1LV6N/AAccumulator
1984ChevroletCapriceN/AAccumulator
1984Oldsmobile985.0LV8N/AAccumulator
1984OldsmobileCustom CruiserN/AAccumulator
1984OldsmobileDelta 88N/AAccumulator
1984PontiacParisienne5.0LV8N/AAccumulator
1984PontiacParisienne3.8LV6N/AAccumulator

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

01486182023318711133187V1131316113140811386115325414113371513571516471647816478D1725192075192085362164727242752724807331873705045372325741357435704357N7036557050457085367133187A78536AC2331AC2331CCWK705045ED519RD6067RD6067C

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.