Four Seasons 20263SK A/C Compressor Replacement Service Kit

Four Seasons A/C Installer Kit for Ford, Lincoln, and Mercury

Restore the service-side components needed for an A/C compressor replacement with the Four Seasons 20263SK A/C Installer Kit. This A/C service kit is built for R134a systems and includes the core replacement parts commonly addressed during compressor service, including PAG 46 oil, an expansion valve, a desiccant bag kit, and sealing components.

Compatible with 2006-2009 Ford Fusion, 2007-2009 Lincoln MKZ, 2006-2009 Mercury Milan, and 2006 Lincoln Zephyr, this kit supports a clean, application-specific repair for vehicles using a block-type expansion device. The Four Seasons A/C Installer Kits line is focused on service kits that bring together the parts needed for compressor replacement work in one package.

Key Features

• Four Seasons part number 20263SK
• A/C compressor replacement service kit for R134a systems
• Includes PAG Oil / 46 compressor oil
• Block-type expansion device with sealing washer inlet and outlet
• Includes desiccant bag kit, expansion valve, O-ring/gasket pack, cap and valve kit
• Gaskets and seals included
• Limited lifetime warranty
• Cross-reference part numbers include 550807 and MUK20026

Detailed Description

The Four Seasons 20263SK is an A/C Compressor Replacement Service Kit for vehicles equipped with R134a refrigerant. It combines the expansion valve, compressor oil, desiccant bag kit, and sealing components needed during compressor replacement service. The kit uses PAG Oil / 46 and a block-type expansion device, with sealing washer inlet and outlet connections for the expansion valve.

This kit is a direct service-focused solution for 2006-2009 Ford Fusion, 2007-2009 Lincoln MKZ, 2006-2009 Mercury Milan, and 2006 Lincoln Zephyr applications. If you are replacing the compressor on a Ford Fusion, Lincoln MKZ, or Mercury Milan with an R134a system, the 20263SK provides the matched service parts commonly required for that repair.

Common Repair Uses

• Replacing a failed A/C compressor and related service components
• Addressing refrigerant contamination concerns during compressor service
• Restoring proper refrigerant metering through a new expansion valve
• Replacing worn O-rings, gaskets, and sealing components during A/C repair
• Servicing R134a systems on Ford Fusion, Lincoln MKZ, Mercury Milan, and Lincoln Zephyr models

Installation Notes

Before installation, verify the vehicle uses an R134a system and a block-type expansion device. Replace the included sealing components during assembly and follow the vehicle service procedure for oil charge and evacuation. Confirm the application against the vehicle’s A/C system configuration before final installation.

Quality Assurance

Four Seasons backs this kit with a limited lifetime warranty. Part number 20263SK is built for application-specific A/C service work and is cross-referenced to 550807 and MUK20026 for the same application.