Four Seasons 4131NK A/C Compressor and Component Kit - Front and Rear

Complete A/C Kit for Chrysler and Dodge

Restore front and rear air conditioning performance with the Four Seasons Complete A/C Kit, part number 4131NK. This complete air conditioning kit includes a new compressor, filter drier, expansion valves, oil, and O-rings for a direct repair on select Chrysler Town & Country, Dodge Caravan, and Dodge Grand Caravan applications.

Built for R134a systems, this kit is organized around the components commonly replaced during a compressor failure or major A/C service. The Four Seasons Complete A/C Kit line brings the major HVAC parts together in one package for a more efficient repair process.

Key Features

• Four Seasons Complete A/C Kit, part number 4131NK
• Includes a new compressor, filter drier, expansion valves, oil, and O-rings
• Designed for R134a air conditioning systems
• Compressor oil included
• Block-type expansion device with O-ring inlet and insert O-ring outlet
• Receiver drier/accumulator uses pad mount inlet and outlet fittings
• Limited lifetime warranty

Detailed Description

Four Seasons 4131NK is a complete air conditioning kit for vehicles equipped with the 10S20H compressor. It is listed for 2006-2007 Chrysler Town & Country, 2006-2007 Dodge Caravan, and 2006-2007 Dodge Grand Caravan with front and rear A/C. The kit includes compressor 78374, filter drier 83108, expansion valves 39016 and 39181, oil 59007, and O-rings to support a full HVAC repair.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Fix

• Weak or inconsistent cabin cooling
• Noisy or seized A/C compressor operation
• Moisture contamination in the refrigerant circuit
• Expansion valve restriction or poor refrigerant metering
• Loss of system efficiency after compressor replacement

Installation Notes and Tips

Verify the vehicle uses a 10S20H compressor before ordering. Confirm R134a system requirements, match the pad-mount receiver drier/accumulator connections, and replace seals during service to help maintain system integrity. Proper evacuation, leak checking, and refrigerant recharge are required after installation.

Quality Assurance

Four Seasons backs this Complete A/C Kit with a limited lifetime warranty. Part number 4131NK is built as a complete replacement solution for select Chrysler and Dodge front and rear HVAC systems.