Four Seasons A/C Receiver Drier 33989
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Four Seasons A/C Receiver Drier 33989
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A/C Receiver Drier for 2010-2013 Kenworth T170 & More - Four Seasons 33989

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$76.99
MPN: 33989
Item Package Quantity: 1
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Four Seasons A/C Receiver Drier P/N:33989
Four Seasons A/C Receiver Drier P/N:33989
$76.99

Help remove moisture and contaminants from your truck's air conditioning system with the Four Seasons A/C Receiver Drier / Filter Drier, part number 33989. It is a direct-fit replacement for many Kenworth and Peterbilt trucks, among them the 2010-2013 Kenworth T170, the 2010-2013 Kenworth W900 and the 2010 Kenworth L700. See the Buyer's Guide tab for the full list.

Four Seasons lists this part as a steel filter drier, so it is known by both names: receiver drier and filter drier. The unit works as a filter, removing moisture and contaminants from the A/C system. Flushing cannot remove those contaminants, so the drier itself has to be replaced. It absorbs moisture with an internal desiccant bag.

  • Steel construction: The unit has quality welds for a durable, leak-free design.
  • Desiccant bag: High-quality desiccant absorbs moisture from the system.
  • Installation parts included: The necessary gaskets, O-rings and seal come with the unit for easier installation.
  • Certified production: It is produced in an ISO/TS16949 and ISO14001 certified facility and backed by more than 50 years of Four Seasons mobile A/C experience.

Why replace it: An open or leaking system can saturate the desiccant bag within a few hours. A saturated bag leaves the drier ineffective. Four Seasons advises replacing the receiver drier / filter drier any time the A/C system is serviced. It also notes that replacement is required to validate the compressor warranty.

Frequently Asked Questions

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

It filters the A/C system by removing moisture and contaminants, and a desiccant bag absorbs the moisture. Flushing cannot remove those contaminants, so the drier itself must be replaced.

When should the receiver drier / filter drier be replaced?

Four Seasons advises replacing it any time the A/C system is serviced, and replacement is required to validate the compressor warranty. An open or leaking system can saturate the desiccant within hours.

What comes in the box?

You get the steel filter drier plus the necessary gaskets, O-rings and seal for installation.

Which trucks does Four Seasons 33989 fit?

It fits many Kenworth and Peterbilt trucks, including the 2010-2013 Kenworth T170, 2010-2013 Kenworth W900 and 2010 Kenworth L700. Check the Buyer's Guide tab for your truck.

How is this drier built?

It is a steel filter drier with quality welds for a leak-free design and high-quality desiccant. It is produced in an ISO/TS16949 and ISO14001 certified facility.

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