Four Seasons 20110SK A/C Compressor Replacement Service Kit

Four Seasons A/C Installer Kit for Nissan and INFINITI

Four Seasons 20110SK is an A/C compressor replacement service kit built for select Nissan and INFINITI applications. It combines the core service components needed for an R134a air conditioning repair, including PAG 46 compressor oil, a block-type expansion valve, and a filter drier.

Four Seasons A/C Installer Kits are organized to support compressor replacement service on vehicles such as the Nissan Altima, Nissan 370Z, and INFINITI G37. The 20110SK kit is designed around the listed OE-style service parts and sealing components for a direct-fit repair approach.

Key Features

• Part number: 20110SK
• Includes filter drier, expansion valve, compressor oil, O-ring/gasket pack, and cap and valve kit
• PAG Oil / 46 included
• R134a refrigerant system application
• Block-type expansion device
• Insert O-ring inlet and outlet connections on the expansion valve
• Receiver drier/accumulator dimensions: 1.625 in. diameter, 9.125 in. length
• Pad mount outlet fitting type with .402 in. outlet fitting size
• Limited Lifetime warranty

Detailed Description

This Four Seasons A/C Service Kit is built for compressor replacement work on select Nissan and INFINITI vehicles, including 2007-2012 Nissan Altima, 2009-2010 Nissan 370Z, 2008-2010 INFINITI G37, and 2008-2011 INFINITI EX35. It also covers additional listed applications such as INFINITI M35, M45, FX35, and G35, plus Nissan X-Trail. The kit brings together the expansion valve, filter drier, compressor oil, and sealing components needed for an R134a system service.

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

What This Kit Helps Address

• Compressor replacement service on R134a A/C systems
• Restricted refrigerant flow caused by a worn expansion valve
• Moisture contamination in the A/C circuit through replacement of the filter drier
• Seal leakage at O-ring and gasket connection points
• Incorrect oil service during compressor replacement

Installation Notes and Tips

Verify the vehicle’s refrigerant type, expansion valve style, and receiver drier dimensions before installation. Replace the listed sealing components during service, and follow the vehicle manufacturer’s evacuation, charging, and oil balance procedures for the A/C system. Confirm fitment for the specific model year and application before ordering.

Quality Assurance

Four Seasons backs this A/C installer kit with a Limited Lifetime warranty.