Four Seasons 5857NK A/C Compressor and Component Kit

Complete A/C Kit for Ford Trucks

Restore factory air conditioning performance with this Four Seasons Complete A/C Kit, part number 5857NK. It combines the major replacement components needed for a Ford Bronco, F-150, F-200, F-250, or F-350 with FS10 compressor applications and R134a refrigerant systems.

The Four Seasons Complete A/C Kit line is built for full-system service, bringing together the compressor, accumulator, orifice tube, oil, and seals in one matched package for common Ford truck and Bronco repairs.

Key Features

• Complete A/C compressor kit with new compressor
• Includes compressor oil and O-rings
• Uses R134a refrigerant
• Orifice tube expansion device with blue standard tube
• Receiver drier/accumulator included with male insert O-ring fittings
• Limited lifetime warranty
• Four Seasons part number 5857NK

Product Details

This kit includes 58120 new compressor, 33189 accumulator, 38621 orifice tube, 59007 oil, and O-rings. The compressor oil is included, and the system uses an orifice tube expansion device with a .067 in. blue standard orifice tube. The accumulator measures 3.500 in. in diameter and 9.500 in. in length, with 0.625 in. inlet and 0.750 in. outlet male insert O-ring fittings. Built for R134a service, this kit is a direct-fit service solution for 1990-1993 Ford Bronco and Ford F-Series trucks with the listed FS10 compressor configurations. Part number 5857NK is also referenced as 520014 for the same application.

Common Repair Uses

• Replacing a worn or noisy A/C compressor
• Addressing weak cooling from a restricted orifice tube
• Servicing a leaking or saturated accumulator
• Repairing contaminated or low-oil A/C systems
• Restoring proper refrigerant flow in factory air systems

Installation Notes

• Compatible With 1990 Ford Bronco, N/A
• Compatible With 1991 Ford Bronco, N/A; before 7/91 and from 7/91
• Compatible With 1992-1993 Ford Bronco, N/A
• Compatible With 1990-1993 Ford F-150, N/A
• Compatible With 1990-1993 Ford F-200, N/A
• Compatible With 1990-1993 Ford F-250, N/A
• Compatible With 1990-1993 Ford F-350, N/A

Verify FS10 compressor style, factory air equipment, and the listed orifice tube and drier fitting details before installation. Proper evacuation, flushing where required, and correct oil charge are important for reliable A/C system service on Ford Bronco and Ford F-Series applications.

Quality Assurance

Four Seasons backs this kit with a limited lifetime warranty. The matched components and application-specific fitment support a complete repair for 1990-1993 Ford Bronco and Ford F-Series A/C systems.