Four Seasons 20254SK A/C Compressor Replacement Service Kit

A/C Service Kit for Expedition and Navigator

Four Seasons 20254SK is an A/C compressor replacement service kit for front and rear HVAC service on select Ford Expedition and Lincoln Navigator models. It combines the core components needed for a compressor-related A/C repair, including PAG 46 compressor oil, an expansion valve, a rear expansion valve, and sealing components.

Compatible with 2009-2013 Ford Expedition and 2009-2012 Lincoln Navigator, this kit is built for R134a systems and supports a complete service approach when replacing A/C compressor-related parts. The Four Seasons A/C Installer Kits line is organized for vehicle-specific HVAC service, and 20254SK follows that format for these applications.

Key Features

• Four Seasons A/C Installer Kits part number 20254SK
• Includes compressor oil with PAG Oil / 46 specification
• Includes expansion valve and rear expansion valve
• Includes dessicant bag kit, O-ring/gasket pack, and cap and valve kit
• Designed for R134a refrigerant systems
• Block-type expansion device with sealing washer inlet and outlet
• Receiver drier/accumulator dimensions: 1.250 in. diameter, 15.000 in. length
• Limited lifetime warranty

Detailed Description

Four Seasons 20254SK is an A/C compressor replacement service kit for Ford Expedition and Lincoln Navigator HVAC repairs. It brings together the service parts commonly needed when addressing compressor replacement on R134a systems, including compressor oil, expansion valves, a dessicant bag kit, and sealing hardware. The kit is specified with PAG 46 oil and a block-type expansion device, with sealing washer inlet and outlet connections.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application. If you are servicing a 2009-2013 Ford Expedition or a 2009-2012 Lincoln Navigator, 20254SK provides a vehicle-specific service kit format for front and rear A/C work.

Common Repair Uses

• Replacing A/C compressor-related service components during HVAC repair
• Restoring proper refrigerant flow through the expansion valve circuit
• Addressing leaks at O-rings, gaskets, and sealing washer connections
• Servicing a contaminated or moisture-exposed A/C system
• Supporting reassembly after compressor replacement on R134a systems

Installation Notes and Tips

Verify refrigerant type before installation; this kit is specified for R134a systems. Confirm the expansion device style and connection type match the vehicle’s HVAC layout, and replace sealing components during service to help maintain system integrity. Always follow the vehicle service procedure for evacuation, oil balancing, and recharge after A/C component replacement.

Quality Assurance

Four Seasons 20254SK is backed by a limited lifetime warranty. The kit is built for direct service use on the listed Ford Expedition and Lincoln Navigator applications, with components selected for compressor replacement and related A/C maintenance.