Four Seasons 8638NK A/C Compressor and Component Kit

Complete A/C Kit for Jeep and Dodge Applications

The Four Seasons Complete A/C Kit 8638NK is a complete air conditioning kit with a new compressor for select Jeep Compass, Jeep Patriot, and Dodge Caliber applications. It combines the major service components needed for a full A/C repair, including a new compressor, filter drier, expansion valve, oil, and O-rings.

Built for R134a systems, this kit is organized for direct service on vehicles using the 6SEU16C compressor platform. The Four Seasons Complete A/C Kit line is aimed at replacing worn A/C components together so the system can be serviced as a matched repair package.

Key Features

• Four Seasons part number 8638NK
• Complete air conditioning kit with new compressor
• Includes compressor oil
• Refrigerant type: R134a
• Expansion device type: block type
• Receiver drier/accumulator with pad mount inlet and outlet fittings
• Limited lifetime warranty
• Kit includes 158388 new compressor, 83139 filter drier, 39478 expansion valve, 59007 oil, and O-rings

Product Details

This A/C compressor kit is built around the Four Seasons 8638NK configuration and is intended for vehicles that use the 6SEU16C compressor. The included compressor oil is supplied with the kit, and the expansion valve uses sealing washer inlet and outlet connections. The receiver drier/accumulator measures 1.750 inches in diameter and 8.000 inches in length, with pad mount fittings for the inlet and outlet.

For shoppers searching for a Jeep Compass A/C compressor kit, Jeep Patriot air conditioning repair kit, or Dodge Caliber compressor replacement, this package provides the core components needed for a system refresh. The 8638NK part number is also a useful reference when matching the correct Four Seasons Complete A/C Kit for the listed applications.

This part cross-references Four Seasons (e.g., 8638NK) for the same application.

What It Helps Address

• Loss of cooling performance from a worn compressor
• Contaminated or restricted A/C system components
• Moisture control issues related to the filter drier
• Expansion valve metering problems affecting refrigerant flow
• Service needs on R134a systems with 6SEU16C compressor fitment

Installation Notes

Verify the vehicle’s compressor style and system configuration before ordering. This kit is listed for 2012 Dodge Caliber, 2012-2013 Jeep Compass, 2012-2016 Jeep Patriot, 2014-2017 Jeep Compass, and 2017 Jeep Patriot applications with the specified 6SEU16C compressor notes. Confirm all sealing surfaces, replace O-rings during service, and follow proper evacuation and recharge procedures after installation.

• Fits 2014-2017 Jeep Compass, N/A, w/ 6SEU16C Compressor; Off-Road Crawl Ratio Transmission; Includes: 158388 (New Compressor), 83139 (Filter Drier), 39478 (Exp Valve), 59007 (Oil), O-Rings; Complete A/C Kit
• Fits 2014-2017 Jeep Compass, N/A, w/ 6SEU16C Compressor; Includes: 158388 (New Compressor), 83139 (Filter Drier), 39478 (Exp Valve), 59007 (Oil), O-Rings; Complete A/C Kit
• Fits 2017 Jeep Patriot, N/A, w/ 6SEU16C Compressor; Off-Road Crawl Ratio Transmission; Includes: 158388 (New Compressor), 83139 (Filter Drier), 39478 (Exp Valve), 59007 (Oil), O-Rings; Complete A/C Kit
• Fits 2017 Jeep Patriot, N/A, w/ 6SEU16C Compressor; Includes: 158388 (New Compressor), 83139 (Filter Drier), 39478 (Exp Valve), 59007 (Oil), O-Rings; Complete A/C Kit
• Fits 2012-2016 Jeep Patriot, N/A, w/ 6SEU16C Compressor; w/o Transmission Oil Cooler; Includes: 158388 (New Compressor), 83139 (Filter Drier), 39478 (Exp Valve), 59007 (Oil), O-Rings; Complete A/C Kit
• Fits 2012-2013 Jeep Compass, N/A, w/ 6SEU16C Compressor; w/o Transmission Oil Cooler; Includes: 158388 (New Compressor), 83139 (Filter Drier), 39478 (Exp Valve), 59007 (Oil), O-Rings; Complete A/C Kit
• Fits 2012 Dodge Caliber, N/A, w/ 6SEU16C Compressor; Includes: 158388 (New Compressor), 83139 (Filter Drier), 39478 (Exp Valve), 59007 (Oil), O-Rings; Complete A/C Kit

Quality Assurance

Four Seasons backs this complete A/C kit with a limited lifetime warranty. The 8638NK kit is built for the listed Jeep Compass, Jeep Patriot, and Dodge Caliber applications and uses the specified R134a system components for a service-focused replacement.