Four Seasons 3980NK A/C Compressor and Component Kit

Complete A/C Kit for Ram 1500 and Ram 2500

Restore air conditioning performance with the Four Seasons Complete A/C Kit, part number 3980NK. This kit is built for 2004-2007 Dodge Ram 1500 and Dodge Ram 2500 models equipped with a 10S17E compressor, and it includes the major components needed for a full A/C system refresh.

The Four Seasons Complete A/C Kit line is organized as a complete air conditioning solution with a new compressor and matched service parts. For Ram truck owners dealing with weak cooling, compressor noise, or system contamination, 3980NK provides the core components in one application-specific package.

• Brand: Four Seasons Complete A/C Kit
• Part number: 3980NK
• Fits 2004-2007 Dodge Ram 1500, N/A, with 10S17E compressor
• Fits 2004-2007 Dodge Ram 2500, N/A, with 10S17E compressor
• Includes a new compressor, accumulator, liquid line with orifice, oil, and O-rings
• Compressor oil included
• Refrigerant type: R134a
• Gaskets and seals included
• Limited lifetime warranty

Detailed Product Overview

Four Seasons 3980NK is a complete air conditioning kit for Dodge Ram 1500 and Ram 2500 trucks from 2004 through 2007. It is configured for vehicles using the 10S17E compressor and includes the compressor, accumulator, liquid line with orifice, oil, and O-rings. The kit is intended to support a full A/C system service where multiple wear items are being replaced at the same time.

This part cross-references part number 520261 for the same application. The kit uses R134a refrigerant and includes a liquid line expansion device type, along with springlock accumulator fittings for the listed applications.

Common Problems This Kit Can Address

• Loss of cabin cooling performance
• Compressor failure or compressor noise
• Contaminated or worn A/C system components
• Leaking seals or O-rings in the refrigerant circuit
• Restricted refrigerant flow through the liquid line or orifice

Installation Notes and Tips

Verify the vehicle is a 2004-2007 Dodge Ram 1500 or Dodge Ram 2500 with a 10S17E compressor before ordering. Confirm refrigerant type, line connections, and accumulator dimensions against the original system before installation. Replace the listed components as a matched set and evacuate and recharge the system according to factory service procedures after assembly.

Quality Assurance

Four Seasons backs this Complete A/C Kit with a limited lifetime warranty. The included compressor oil, seals, and matched service components support a complete repair approach for the specified Ram truck applications.