Four Seasons A/C Receiver Drier 33297
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Four Seasons A/C Receiver Drier 33297
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Four Seasons A/C Receiver Drier P/N:33297

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$32.99
MPN: 33297
Item Package Quantity: 1
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Four Seasons A/C Receiver Drier P/N:33297
Four Seasons A/C Receiver Drier P/N:33297
$32.99

Keep your A/C system clean and dry with the Four Seasons A/C Receiver Drier 33297, a steel filter drier that drops in as a direct-fit replacement for the 1983-1993 MACK DM, 1984-1986 MACK DMC, 1983-1993 MACK DMM, 1983-1991 MACK MC, 1983-1993 MACK MH, and 1983-1993 MACK MR. See the Buyer's Guide tab for the full engine-level fitment.

  • Filters and dries the refrigerant: acts as a filter that removes moisture and contaminants from the air conditioning system — debris that flushing alone cannot clear, which is why the drier is replaced during service.
  • Desiccant absorption: uses a desiccant bag to absorb moisture in the system; a leaking or open system can saturate the bag within hours, so a fresh drier is important when the loop has been opened.
  • Durable, leak-free build: steel construction with quality welds for a leak-free design.
  • Installation hardware included: the necessary gaskets, o-rings, and seal are included for easy installation.

Backed by over 50 years of mobile A/C experience and produced in an ISO/TS16949 & ISO14001 certified facility, this unit is built for long-lasting performance. Replacing the drier any time the system is serviced is also required to validate compressor warranty.

Frequently Asked Questions

What does this receiver drier do?

It acts as a filter that removes moisture and contaminants from the A/C system, using a desiccant bag to absorb moisture the refrigerant carries.

Which vehicles does the 33297 fit?

It's a direct-fit replacement for the 1983-1993 MACK DM, 1984-1986 DMC, 1983-1993 DMM, 1983-1991 MC, and 1983-1993 MH and MR. Check the Buyer's Guide tab to confirm your vehicle.

Are gaskets and O-rings included?

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

Why replace the drier when servicing the A/C?

An open or leaking system can saturate the desiccant within hours, making the drier ineffective. Replacing it is also required to validate compressor warranty.

What is this drier made of?

It is a steel filter drier with quality welds for a durable, leak-free design.

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