A/C Accumulator for 1998-1999 Volkswagen Passat & More - Four Seasons 33328

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$37.99
MPN: 33328
Item Package Quantity: 1
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Four Seasons A/C Accumulator P/N:33328
Four Seasons A/C Accumulator P/N:33328
$37.99

Keep your air conditioning system dry and clean with the Four Seasons A/C Accumulator (MPN 33328). It installs as a direct-fit replacement for the 1993-1995 Audi 90, 1993-1995 Audi 90 Quattro, 1993-1995 Audi 90 Series, 1994-1998 Audi Cabriolet, 1996-2001 Audi A4, 1996-2001 Audi A4 Quattro, 1996-2001 Audi A4 / A4 Quattro, 1998-1999 Audi VW Passat (Model), and 1998-1999 Volkswagen Passat — see the Buyer's Guide tab for engine-level details.

The accumulator / filter drier works as a filter, removing moisture and contaminants from the refrigerant that flushing cannot clear, which is why replacing it during service is essential.

  • Moisture control: An internal desiccant bag absorbs moisture from the system; a leaking or open system can saturate the bag within a few hours, so a fresh unit is important after any repair.
  • Leak-free build: Quality welds are used for a durable, leak-free design, paired with high-quality desiccant for appropriate absorption.
  • Ready to install: The necessary gaskets, o-rings and seal are included for easier installation.
  • Service note: Replacement is required to validate compressor warranty and should be done anytime the system is opened or serviced.

Backed by Four Seasons' decades of mobile A/C experience and produced in an ISO/TS16949 and ISO14001 certified facility.

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 holding an internal desiccant that absorbs moisture the refrigerant carries.

Which vehicles does the 33328 fit?

It fits the 1993-1995 Audi 90, 90 Quattro and 90 Series, 1994-1998 Audi Cabriolet, 1996-2001 Audi A4 and A4 Quattro, and 1998-1999 Volkswagen Passat. See the Buyer's Guide tab.

Are seals included?

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

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

Contaminants and moisture can't be removed by flushing, and the desiccant can saturate quickly in an open system. Replacement is also required to validate the compressor warranty.

Can I just flush the old accumulator instead of replacing it?

No. Flushing cannot remove the trapped contaminants or restore a saturated desiccant bag, so replacing the accumulator / filter drier is essential.