Four Seasons 2237NK A/C Compressor and Component Kit

Complete A/C Kit for S10, Sonoma, and Hombre

Four Seasons 2237NK is a Complete A/C Kit built for vehicles equipped with a V7 compressor. It combines the major air conditioning service components needed for a full system refresh, including a new compressor, accumulator, orifice tube, compressor oil, and O-rings.

Compatible With 1998-2003 Chevrolet S10, 1998-2003 GMC Sonoma, and 1999-2000 Isuzu Hombre, this kit is a direct-fit solution for R134a systems that use an orifice tube expansion device.

Key Features

• Four Seasons Complete A/C Kit, part number 2237NK
• Includes a new compressor, accumulator, orifice tube, PAG oil, and O-rings
• Uses PAG Oil /150 for R134a air conditioning systems
• Orifice tube setup with a white standard tube, 0.072 in. diameter
• Receiver drier/accumulator features a 3.500 in. diameter and 8.000 in. length
• Limited Lifetime warranty

Product Details

The Four Seasons Complete A/C Kit line is built to simplify air conditioning service by grouping the core replacement parts needed when restoring a failed compressor system. Part number 2237NK is configured for V7 compressor applications and is matched to the listed Chevrolet S10, GMC Sonoma, and Isuzu Hombre fitments. This kit supports R134a refrigerant systems and includes the specified compressor oil and sealing components for a complete repair path.

This part cross-references Monroe Shocks & Struts (e.g., 520567, MK1029) for the same application.

Common Problems This Kit Can Address

• Loss of cooling performance from a worn or seized compressor
• Contaminated or depleted A/C oil after compressor failure
• Restricted refrigerant flow caused by a worn or incorrect orifice tube
• Moisture control issues related to an aging accumulator
• Seal leakage at service connections and A/C joints

Installation Notes and Tips

• Verify the vehicle uses a V7 compressor before ordering or installation.
• Flush the system as needed after compressor failure to remove debris and contamination.
• Replace the accumulator and orifice tube during compressor service to help restore proper system operation.
• Confirm R134a refrigerant service procedures and oil charge requirements before evacuation and recharge.
• Inspect all O-ring sealing surfaces and fittings before assembly.

Quality Assurance

Four Seasons 2237NK is backed by a Limited Lifetime warranty. The kit is assembled with the listed components and specifications to support a complete A/C compressor replacement on the confirmed applications.