Four Seasons A/C Accumulator P/N:33151

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$31.99
MPN: 33151
Item Package Quantity: 1
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Four Seasons A/C Accumulator P/N:33151
Four Seasons A/C Accumulator P/N:33151
$31.99

Keep your A/C blowing cold and protect the compressor with the Four Seasons A/C Accumulator, part number 33151. It drops in as a direct-fit replacement for the 1990 Buick Reatta, 1990 Buick Riviera, 1990-1992 Cadillac Brougham, 1990 Cadillac Eldorado, 1990 Cadillac Seville, and 1990 Oldsmobile Toronado — see the Buyer's Guide tab for engine details and the full application list.

  • Filters and dries: The accumulator / filter drier acts as a filter, removing moisture and contaminants from the air conditioning system — contaminants that flushing cannot remove, which is why replacing the unit is essential.
  • Desiccant absorption: Moisture is absorbed through a desiccant bag; a leaking or "open" system can saturate the bag within hours, making the accumulator / filter drier ineffective.
  • Durable build: Features quality welds for a durable, leak-free design plus high-quality desiccant for appropriate absorption.
  • Ready to install: The necessary gaskets, o-rings and seal are included.

Backed by over 50 years of mobile A/C experience and produced in an ISO/TS16949 & ISO14001 certified facility, Four Seasons builds these units for long-lasting performance. Replacing the accumulator / filter drier anytime the system is serviced is required to validate the compressor warranty.

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 and using a desiccant to absorb moisture the system's flushing cannot remove.

Which vehicles does part 33151 fit?

It is a direct-fit replacement for the 1990 Buick Reatta and Riviera, 1990-1992 Cadillac Brougham, 1990 Cadillac Eldorado and Seville, and 1990 Oldsmobile Toronado. See the Buyer's Guide tab for details.

Are gaskets and seals included?

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

Why should the accumulator be replaced when servicing the A/C?

Four Seasons states replacement is required to validate the compressor warranty and should be done anytime the system is serviced, since a saturated desiccant bag makes the unit ineffective.

Why can't the old accumulator just be flushed?

The contaminants and moisture it collects cannot be removed by flushing, so replacing the accumulator / filter drier is essential when the system is opened or serviced.