Four Seasons 20279SK A/C Compressor Replacement Service Kit

A/C Service Kit for Chrysler and Dodge

Four Seasons 20279SK is an A/C compressor replacement service kit built for select Chrysler and Dodge vehicles with severe duty cooling. It combines the core service components needed when replacing the compressor and restoring refrigerant circuit function on R134a systems.

This Four Seasons A/C Installer Kit includes PAG 46 compressor oil, a block-type expansion valve, a filter drier, an O-ring/gasket pack, and a cap and valve kit. It is a direct-fit service solution for Chrysler 300, Dodge Challenger, Dodge Charger, and Dodge Magnum applications listed below.

Key Features

• Four Seasons 20279SK A/C compressor replacement service kit
• Includes compressor oil: PAG Oil / 46
• Block-type expansion device with insert O-ring inlet and outlet connections
• Filter drier, expansion valve, compressor oil, O-ring/gasket pack, and cap and valve kit included
• Receiver drier/accumulator dimensions: 1.5 in. diameter, 9.8 in. length, .438 in. outlet fitting size
• Pad mount outlet fitting type
• Built for R134a refrigerant systems
• Limited lifetime warranty

Product Details

Four Seasons A/C Installer Kits are organized to support compressor replacement service with the major sealing and refrigerant-management components commonly needed during HVAC repair. Part number 20279SK is specified for severe duty cooling applications and is matched to the listed Chrysler and Dodge platforms. If you are servicing a Chrysler 300 or Dodge Charger with severe duty cooling, or a Dodge Challenger or Dodge Magnum in the covered years, this kit provides the listed service parts in one application-specific package.

This part cross-references Monroe Shocks & Struts (e.g., 550821, MUK20010) for the same application.

What It Helps Address

• Compressor replacement service on an R134a A/C system
• Leaking or worn expansion valve connections
• Loss of refrigerant sealing at O-ring and gasket interfaces
• Restricted moisture control from a worn filter drier
• Service interruptions during HVAC repair on Chrysler 300, Dodge Charger, Dodge Challenger, or Dodge Magnum

Installation Notes and Fitment

• Fits 2005-2010 Chrysler 300, N/A, w/ Severe Duty Cooling; Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
• Fits 2009-2010 Dodge Challenger, N/A; Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
• Fits 2006-2010 Dodge Charger, N/A, w/ Severe Duty Cooling; Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits
• Fits 2005-2008 Dodge Magnum, N/A, w/ Severe Duty Cooling; Includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit; A/C Installer Kits

Verify the vehicle’s refrigerant type, compressor service requirements, and connection style before installation. Part number 20279SK is intended for the listed applications and should be matched to the vehicle’s A/C configuration before service begins.

Quality Assurance

Four Seasons 20279SK is backed by a limited lifetime warranty.