Four Seasons A/C Receiver Drier 33542
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Four Seasons A/C Receiver Drier 33542
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Four Seasons A/C Receiver Drier P/N:33542

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$40.99
MPN: 33542
Item Package Quantity: 1
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Four Seasons A/C Receiver Drier P/N:33542
Four Seasons A/C Receiver Drier P/N:33542
$40.99

Pull moisture and contaminants out of your truck's air conditioning system with the Four Seasons A/C Receiver Drier / Filter Drier 33542, a steel filter drier that drops in as a direct-fit replacement across a wide range of heavy-duty applications — including the 1981-1993 Kenworth W900 and C500, 1987-1993 Kenworth T800, 1986-1993 Kenworth T600A, 1987-1994 Peterbilt 320, and 1981-1983 Peterbilt 348. See the Buyer's Guide tab for the full list of Kenworth and Peterbilt models and years.

This unit acts as a filter, removing moisture and contaminants from the A/C system — the kind of debris that flushing can't clear — which is why fitting a fresh drier is essential whenever the system is opened.

  • Steel filter drier: built with quality welds for a durable, leak-free design.
  • High-quality desiccant: a desiccant bag absorbs moisture from the refrigerant; a leaking or open system can saturate the bag within hours, so a new drier is needed after any exposure.
  • Installation hardware included: the necessary gaskets, o-rings and seal are supplied for the job.

Replacing the filter drier is required to validate the compressor warranty and should be done any time the A/C system is serviced.

Frequently Asked Questions

What does this A/C receiver / filter drier do?

It acts as a filter, removing moisture and contaminants from the air conditioning system. These contaminants can't be removed by flushing, so the drier must be replaced when the system is opened.

Is this part a direct fit for my vehicle?

It fits a range of Kenworth and Peterbilt trucks, such as the 1981-1993 Kenworth W900, 1987-1993 Kenworth T800, and 1987-1994 Peterbilt 320. Check the Buyer's Guide tab to confirm your exact year, make and model.

Does it come with installation hardware?

Yes. The necessary gaskets, o-rings and seal are included to help with installation.

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

Yes. Replacement is required to validate the compressor warranty, and the drier should be replaced any time the system is serviced or has been left open.

What is the drier made of?

It is a steel filter drier built with quality welds for a durable, leak-free design, and it uses a high-quality desiccant to absorb moisture.

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