Four Seasons A/C Receiver Drier 33433
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Four Seasons A/C Receiver Drier 33433
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Four Seasons A/C Receiver Drier P/N:33433

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$31.99
MPN: 33433
Item Package Quantity: 1
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Four Seasons A/C Receiver Drier P/N:33433
Four Seasons A/C Receiver Drier P/N:33433
$31.99

Keep your air conditioning clean and dry with the Four Seasons A/C Receiver Drier, part number 33433. This steel filter drier drops in as a direct-fit replacement for a wide range of 1982-1989 BMW models, including the 528E (1982-1988), 533i (1983-1984), 535i (1985-1988), 635CSI (1985-1989), M5 (1988), and M6 (1987-1988) — see the Buyer's Guide tab for the full list of applications.

The receiver drier acts as a filter, removing moisture and contaminants from the A/C system that flushing alone cannot clear, which is why replacing it is essential whenever the system is opened. A desiccant bag inside absorbs system moisture; a leaking or open system can saturate that bag within hours and leave the drier ineffective.

  • Steel construction: built with quality welds for a durable, leak-free design.
  • High-quality desiccant: provides appropriate moisture absorption to help protect the system.
  • Install-ready: the necessary gaskets, o-rings, and seal are included for easy installation.
  • Backed by experience: produced in an ISO/TS16949 and ISO14001 certified facility, with over 50 years of mobile A/C experience behind it.

Replacing the filter drier is required to validate the compressor warranty and should be done anytime the system is serviced.

Frequently Asked Questions

What does this receiver drier do?

It acts as a filter, removing moisture and contaminants from the A/C system that flushing cannot clear, and uses a desiccant bag to absorb system moisture.

Which vehicles does part 33433 fit?

It is a direct-fit replacement for many 1982-1989 BMW models, including the 528E, 533i, 535i, 635CSI, M5, and M6. See the Buyer's Guide tab for the full list.

Are gaskets and seals included?

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

What is this filter drier made of?

It is a steel filter drier, built with quality welds for a durable, leak-free design and filled with high-quality desiccant.

Do I need to replace the drier when servicing the A/C?

Yes. It must be replaced anytime the system is serviced and is required to validate the compressor warranty; a saturated desiccant bag becomes ineffective within hours of an open system.

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