Four Seasons 20098SK A/C Compressor Replacement Service Kit

Four Seasons A/C Installer Kit for Mitsubishi

Four Seasons 20098SK is an A/C compressor replacement service kit for select Mitsubishi vehicles with R134a systems. It combines the core service components needed during compressor replacement, including PAG 46 compressor oil, a block-type expansion valve, and sealing components for a cleaner reassembly.

Compatible With Mitsubishi Lancer, ASX, Outlander, and Outlander Sport applications that use the listed service-kit configuration, this Four Seasons A/C Installer Kit supports a complete compressor service on the vehicles shown below.

Key Features

• Part number 20098SK from Four Seasons A/C Installer Kits
• Includes filter drier, expansion valve, compressor oil, O-ring/gasket pack, and cap and valve kit
• PAG Oil / 46 included for R134a A/C systems
• Block-type expansion device with insert O-ring inlet and outlet connections
• Receiver drier/accumulator with pad-mount inlet and outlet fittings
• Gaskets and seals included for service-related sealing points
• Limited Lifetime warranty

Service Kit Details

Four Seasons 20098SK is built for A/C compressor replacement service on Mitsubishi platforms that use R134a refrigerant. The kit brings together the filter drier, expansion valve, compressor oil, and sealing components needed to address the refrigerant circuit during compressor service. This part cross-references Monroe Shocks & Struts (e.g., 550541, MUK20189) for the same application.

What This Kit Helps Address

• Compressor replacement service on Mitsubishi Lancer, ASX, Outlander, and Outlander Sport
• Refrigerant circuit contamination after compressor failure
• Worn or leaking A/C seals and O-rings
• Restricted refrigerant flow through the expansion valve or drier
• Service-related loss of cooling performance in R134a systems

Installation Notes and Tips

• Verify the vehicle’s A/C system uses R134a refrigerant before installation.
• Confirm the compressor oil specification matches the system requirement; this kit includes PAG Oil / 46.
• Replace the expansion valve and filter drier during compressor service to help restore proper system operation.
• Inspect all sealing surfaces and follow the vehicle service manual for evacuation, charging, and leak testing.
• Use the fitment list below to confirm application details before ordering.

Compatible Vehicle Fitment

• Fits 2008-2017 Mitsubishi Lancer, N/A; includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit.
• Fits 2013 Mitsubishi ASX, N/A; includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit.
• Fits 2007-2013 Mitsubishi Outlander, N/A; includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit.
• Fits 2011-2013 Mitsubishi Outlander Sport, N/A; includes: Filter Drier, Expansion Valve, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit.

Quality Assurance

Four Seasons backs this A/C service kit with a Limited Lifetime warranty. Part number 20098SK is engineered as a service solution for Mitsubishi A/C compressor replacement work and related refrigerant circuit maintenance.