Four Seasons 20166SK A/C Compressor Replacement Service Kit

Four Seasons A/C Installer Kit for Ford Focus

The Four Seasons 20166SK A/C Compressor Replacement Service Kit is built for 2012-2014 Ford Focus models with R134a refrigerant systems. It combines the core service components needed when replacing an A/C compressor, including PAG 46 compressor oil, an expansion valve, and sealing components for a complete HVAC service approach.

As part of the Four Seasons A/C Installer Kits line, this kit is organized for compressor replacement work on Ford Focus applications that use a block-type expansion device and O-ring inlet and outlet connections. The 20166SK is a direct-fit service kit for the listed vehicle applications and refrigerant specification.

Key Features

• Fits 2014 Ford Focus, N/A, with R134a and PAG 46 compressor oil
• Fits 2012-2013 Ford Focus, N/A
• Includes compressor oil with PAG Oil / 46 specification
• Includes block-type expansion valve with O-ring inlet and outlet
• Includes desiccant bag kit, O-ring/gasket pack, and cap and valve kit
• Designed for R134a A/C service applications
• Limited lifetime warranty

Product Details

The Four Seasons 20166SK is an A/C compressor replacement service kit for Ford Focus vehicles equipped with R134a refrigerant. It includes the compressor oil, expansion valve, desiccant bag kit, O-ring/gasket pack, and cap and valve kit needed to support a proper compressor service on the listed applications. The Four Seasons A/C Installer Kits product line groups these service components into one application-specific kit for HVAC repair work.

This part cross-references Monroe Shocks & Struts (e.g., 550663, MUK20121) for the same application.

Common Problems This Kit Addresses

• Compressor replacement service on a Ford Focus A/C system
• Loss of refrigerant sealing at O-ring and gasket connections
• Need for correct PAG 46 oil during compressor service
• Expansion valve replacement during HVAC repair
• Moisture control service with a new desiccant bag kit

Installation Notes

Verify the vehicle uses R134a refrigerant before installation. Confirm the system calls for PAG 46 compressor oil and a block-type expansion valve with O-ring inlet and outlet connections. Replace the listed sealing components during service and follow the vehicle manufacturer’s A/C evacuation, recharge, and leak-check procedures after installation.

Quality Assurance

Four Seasons backs the 20166SK with a limited lifetime warranty. Use the part number 20166SK to confirm application details for 2012-2014 Ford Focus A/C compressor replacement service.