Four Seasons A/C Accumulator P/N:33156

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$30.99
MPN: 33156
Item Package Quantity: 1
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Four Seasons A/C Accumulator P/N:33156
Four Seasons A/C Accumulator P/N:33156
$30.99

Keep moisture and debris out of your A/C system with the Four Seasons A/C Accumulator 33156. It drops in as a direct-fit replacement for the 1994-1999 Cadillac DeVille, 1993-2002 Cadillac Eldorado, and 1994-1997 Cadillac Seville — see the Buyer's Guide tab for the full engine-level fitment on the listed applications.

Working on the low-pressure suction side, the accumulator/filter drier acts as a filter that removes moisture and contaminants from the air conditioning system — contaminants that flushing cannot clear, which is why replacing the unit is essential whenever the system is opened or serviced.

  • Desiccant moisture control: A desiccant bag absorbs moisture; a leaking or "open" system can saturate the bag within a few hours, making the accumulator ineffective.
  • Durable, leak-free build: Quality welds are used for a durable, leak-free design, along with high-quality desiccant for appropriate absorption.
  • Ready to install: The necessary gaskets, o-rings and seal are included for installation.
  • Compressor-warranty step: Replacing the accumulator/filter drier is required to validate the compressor warranty and should be done any time the system is serviced.

Backed by over 50 years of mobile A/C experience from Four Seasons, and produced in an ISO/TS16949 & ISO14001 certified facility.

Frequently Asked Questions

What does this A/C accumulator do?

It acts as a filter, removing moisture and contaminants from the air conditioning system that cannot be cleared by flushing, and its desiccant absorbs moisture to protect the system.

Does the accumulator come with installation hardware?

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

Which vehicles does the 33156 fit?

It's a direct-fit replacement for the 1994-1999 Cadillac DeVille, 1993-2002 Cadillac Eldorado, and 1994-1997 Cadillac Seville. See the Buyer's Guide tab to confirm your vehicle.

Why should I replace the accumulator when servicing the A/C?

An open or leaking system can saturate the desiccant bag within a few hours, making the unit ineffective. Replacement is also required to validate the compressor warranty.

How does it absorb moisture?

Moisture is absorbed through a desiccant bag inside the unit, paired with high-quality desiccant for appropriate absorption.