Four Seasons 5156NK A/C Compressor and Component Kit - Front and Rear

Complete A/C Kit for Expedition and Navigator

Restore front and rear air conditioning performance with the Four Seasons Complete A/C Kit, part number 5156NK. This kit is built for 2007-2008 Ford Expedition and Lincoln Navigator applications with an FS20 compressor, and it combines the major components needed for a full HVAC service in one package.

Four Seasons Complete A/C Kit 5156NK is a complete air conditioning kit with a new compressor, refrigerant oil, expansion valves, filter drier, and O-rings. It is configured for R134a systems and supports a direct repair approach for vehicles that need multiple A/C components replaced at the same time.

Key Features

• Complete A/C kit with new compressor
• Includes compressor oil
• R134a refrigerant type
• Block-type expansion device design
• Insert O-ring inlet and outlet connections on the expansion valve
• Receiver drier/accumulator included
• Limited lifetime warranty

Detailed Product Overview

This Four Seasons Complete A/C Kit is designed around the needs of 2007-2008 Ford Expedition and Lincoln Navigator front and rear climate control systems. The kit includes the new compressor, filter drier, expansion valves, oil, and O-rings needed for a comprehensive A/C repair. Part number 5156NK is a practical choice when the compressor and related refrigerant circuit components need to be serviced together.

The Complete A/C Kit line from Four Seasons focuses on bundled HVAC service parts for a more complete repair path. For this application, the kit is set up for R134a refrigerant systems and uses a block-type expansion device with insert O-ring inlet and outlet connections.

This part cross-references Four Seasons 5156NK for the same application.

Common Problems This Kit Addresses

• Loss of cooling performance in the front and rear A/C system
• Compressor noise, seizure, or failure
• Restricted refrigerant flow caused by a worn expansion valve or filter drier
• Moisture or contamination in the A/C circuit after component failure
• Uneven cabin cooling in Expedition and Navigator HVAC systems

Installation Notes and Tips

Verify vehicle fitment before installation: Fits 2007 Ford Expedition, front and rear; Fits 2008 Ford Expedition, front and rear; Fits 2007 Lincoln Navigator, front and rear; Fits 2008 Lincoln Navigator, front and rear. Confirm the vehicle uses an FS20 compressor and match all refrigerant connections and sealing surfaces before assembly.

Replace the receiver drier and expansion components during compressor service to help complete the repair correctly. Flush the system as needed, evacuate the A/C circuit, and charge with the specified R134a refrigerant and oil amount according to service procedures.

Quality Assurance

Four Seasons backs this kit with a limited lifetime warranty. Part number 5156NK is built as a complete A/C service solution for the listed Ford Expedition and Lincoln Navigator applications.