Four Seasons A/C Accumulator P/N:83291

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$57.99
MPN: 83291
Item Package Quantity: 1
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Four Seasons A/C Accumulator P/N:83291
Four Seasons A/C Accumulator P/N:83291
$57.99

Keep moisture and contaminants out of your A/C system with the Four Seasons A/C Accumulator, MPN 83291. It drops in as a direct-fit replacement for the 2003-2007 GMC Sierra, 2003-2007 GMC Sierra 2500 HD, 2007 GMC Sierra 2500 HD Classic, 2003-2006 GMC Sierra 3500, 2007 GMC Sierra 3500 Classic, 2007 GMC Sierra 3500 HD, 2003-2007 Chevrolet Silverado 2500 HD, 2007 Chevrolet Silverado 2500 HD Classic, 2003-2006 Chevrolet Silverado 3500, 2007 Chevrolet Silverado 3500 Classic, and 2007 Chevrolet Silverado 3500 HD — see the Buyer's Guide tab for engine-level fitment.

  • Filter & drier in one: Acts as a filter, removing moisture and contaminants from the air conditioning system — contaminants that flushing cannot clear, which is why replacing the unit is essential.
  • Desiccant absorption: Uses a desiccant bag to absorb moisture; a leaking or "open" system can saturate the bag within hours, leaving the accumulator ineffective.
  • Leak-free build: Features quality welds for a durable, leak-free design along with high-quality desiccant for appropriate absorption.
  • Install-ready: Necessary gaskets, o-rings and seal are included for easier installation.

Backed by over 50 years of mobile A/C experience from Four Seasons, this accumulator/filter drier should be replaced any time the system is serviced.

Frequently Asked Questions

What does the A/C accumulator do?

It acts as a filter, removing moisture and contaminants from the air conditioning system using a desiccant bag. These contaminants cannot be removed by flushing, so replacing the unit is essential.

Does this unit include installation hardware?

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

Which vehicles does MPN 83291 fit?

It fits 2003-2007 GMC Sierra and Sierra 2500 HD, 2003-2006 Sierra 3500, 2003-2007 Chevrolet Silverado 2500 HD, 2003-2006 Silverado 3500, and 2007 Classic/HD variants. See the Buyer's Guide tab.

When should the accumulator be replaced?

Four Seasons advises replacing it any time the A/C system is serviced. A leaking or open system can saturate the desiccant bag within hours, making the unit ineffective.

Why can't I just flush the system instead?

Flushing cannot remove the moisture and contaminants that collect in the accumulator/filter drier, so replacing the unit is necessary when servicing the system.