Four Seasons A/C Accumulator P/N:33139

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$33.99
MPN: 33139
Item Package Quantity: 1
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Four Seasons A/C Accumulator P/N:33139
Four Seasons A/C Accumulator P/N:33139
$33.99

Keep your air conditioning system clean and dry with the Four Seasons A/C Accumulator (P/N 33139). It's a direct-fit replacement for the 1995-1999 Buick Riviera, 1995-1999 Buick Olds Aurora, and 1995-1999 Oldsmobile Aurora — see the Buyer's Guide tab for engine-level fitment on each application. The accumulator/filter drier acts as a filter, removing moisture and contaminants from the A/C system that flushing cannot clear, which is why replacing it is essential whenever the system is serviced.

  • Filters and dries the refrigerant: Removes moisture and contaminants from the air conditioning system, contaminants that flushing alone cannot remove.
  • Desiccant bag absorption: Uses a desiccant to absorb moisture; a leaking or "open" system can saturate the bag within a few hours and leave the unit ineffective, so replace it anytime the system is opened.
  • Leak-free build: Quality welds provide a durable, leak-free design, with high-quality desiccant for appropriate absorption.
  • Installation hardware included: Necessary gaskets, o-rings, and seal are included for easier installation.

Replacement of the accumulator/filter drier is required to validate compressor warranty and should be done any time the system is serviced. Backed by Four Seasons' decades of mobile A/C experience.

Frequently Asked Questions

What does this A/C accumulator do?

It acts as a filter/drier, removing moisture and contaminants from the air conditioning system that cannot be cleared by flushing, helping protect the system.

Does it come with installation hardware?

Yes. The necessary gaskets, o-rings, and seal are included for easier installation.

Which vehicles does P/N 33139 fit?

It's a direct-fit replacement for the 1995-1999 Buick Riviera, 1995-1999 Buick Olds Aurora, and 1995-1999 Oldsmobile Aurora. See the Buyer's Guide tab for engine details.

When should I replace the accumulator?

Replace it any time the A/C system is opened or serviced. A leaking or open system can saturate the desiccant bag within a few hours, making the unit ineffective.

Does replacing it matter for compressor warranty?

Yes. Per Four Seasons, replacement of the accumulator/filter drier is required to validate the compressor warranty and must be done whenever the system is serviced.