Four Seasons 5538NK A/C Compressor and Component Kit

Complete A/C Kit for Ford F-150 and Mark LT

Restore air conditioning performance with the Four Seasons Complete A/C Kit, part number 5538NK. This kit combines a new compressor, accumulator, orifice tube, compressor oil, and O-rings for a complete service solution on select Ford and Lincoln trucks with an FS10 compressor.

Key Features

• Four Seasons Complete A/C Kit, part number 5538NK
• Includes 58129 new compressor, 83364 accumulator, 38635 orifice tube, 59007 oil, and O-rings
• Uses R134a refrigerant
• Compressor oil included
• Orifice tube style: standard, red, .062 in. diameter
• Accumulator with P-nut inlet and male springlock outlet fittings
• Limited lifetime warranty

Product Details

The Four Seasons Complete A/C Kit 5538NK is a complete air conditioning kit with a new compressor for select 2004-2006 Ford F-150, 2005-2006 Ford F-250, and 2006 Lincoln Mark LT applications equipped with an FS10 compressor. It is built around the core service components needed for an A/C repair, including the compressor, accumulator, orifice tube, oil, and sealing components. This makes it a direct-fit service option for owners searching for a Ford F-150 A/C compressor kit, a Ford F-250 air conditioning repair kit, or a Lincoln Mark LT compressor replacement.

This Four Seasons Complete A/C Kit line is organized as a full-system replacement solution, helping match the major components required when servicing the compressor circuit. Part number 5538NK also cross-references 520549 and MK1012 for the same application.

What This Kit Helps Address

• Loss of cabin cooling performance
• Compressor noise or compressor failure
• Restricted refrigerant flow through the orifice tube
• Accumulator contamination or moisture-related service issues
• Leaks at service connections and sealing points

Installation Notes

Verify FS10 compressor application before ordering. Confirm refrigerant type is R134a and match the accumulator inlet and outlet fitting styles during installation. Replace the orifice tube and O-rings during service, and follow proper evacuation, oil charging, and recharge procedures after component replacement. Check the system for leaks and confirm correct compressor operation before returning the vehicle to service.

Quality Assurance

Four Seasons backs this kit with a limited lifetime warranty. The included components are specified for the listed Ford and Lincoln applications, making 5538NK a practical choice for A/C system repair on 2004-2006 Ford F-150, 2005-2006 Ford F-250, and 2006 Lincoln Mark LT models.