Four Seasons 20278SK A/C Compressor Replacement Service Kit

Four Seasons 20278SK A/C Service Kit

Four Seasons 20278SK is an A/C compressor replacement service kit for R134a systems. It combines the core service components needed when replacing the compressor on select Jeep Compass, Jeep Patriot, and Dodge Caliber applications.

As part of the Four Seasons A/C Installer Kits line, this kit is built around service-ready components for compressor replacement work, including PAG 46 compressor oil, a block-type expansion valve, and sealing components for the refrigerant circuit.

Key Features

• Part number 20278SK for A/C compressor replacement service
• Includes filter drier, expansion valve, compressor oil, O-ring/gasket pack, and cap and valve kit
• PAG Oil / 46 included for R134a air conditioning systems
• Block-type expansion device with sealing washer inlet and outlet connections
• Receiver drier/accumulator with pad mount outlet fitting
• Gaskets and seals included for service replacement
• Limited lifetime warranty

Product Details

This Four Seasons A/C Installer Kits service kit is designed for compressor replacement on R134a-equipped vehicles that use a block-style expansion valve and matching drier configuration. The kit includes the filter drier, expansion valve, compressor oil, O-ring/gasket pack, and cap and valve kit needed to restore the refrigerant circuit after compressor service. Part number 20278SK is also cross-referenced to Monroe Shocks & Struts 172286 and 182286 for the same application.

Fits 2014-2017 Jeep Compass, N/A; Fits 2017 Jeep Patriot, N/A; Fits 2012-2016 Jeep Patriot, N/A; Fits 2012-2013 Jeep Compass, N/A; Fits 2012 Dodge Caliber, N/A. This fitment coverage includes Jeep Compass, Jeep Patriot, and Dodge Caliber applications listed for this service kit.

Common Repair Uses

• Replacing a failed A/C compressor during system service
• Restoring refrigerant flow after contamination or internal compressor wear
• Addressing leaks at seals, O-rings, or gasket interfaces
• Replacing a restricted or moisture-exposed receiver drier/accumulator
• Servicing expansion valve-related cooling performance issues

Installation Notes

Verify the vehicle’s refrigerant type, expansion valve style, and drier mounting configuration before installation. Flush the system as required by the repair procedure, replace all sealing points during reassembly, and charge the system with the specified refrigerant and oil quantity for the application. Confirm fitment details for Jeep Compass, Jeep Patriot, and Dodge Caliber models before ordering.

Quality Assurance

Four Seasons backs this kit with a limited lifetime warranty. The 20278SK service kit is assembled for compressor replacement work on confirmed applications and uses service components matched to R134a A/C systems.