Four Seasons 10166SK A/C Compressor Replacement Service Kit

Four Seasons A/C Installer Kit for Toyota and Volkswagen

The Four Seasons 10166SK A/C Installer Kit is built for A/C compressor replacement service on select Toyota, Lexus, Isuzu, Mitsubishi, Geo, and Volkswagen applications. It combines the core service components needed when opening the refrigerant system, including a filter drier, expansion valve, PAG 46 compressor oil, and sealing components.

Four Seasons A/C Installer Kits are organized for service work on R134a systems and help streamline compressor replacement on vehicles such as the Toyota Tacoma, Toyota Camry, and Toyota 4Runner. Part number 10166SK is listed for multiple model years and supports common HVAC service needs on import applications.

Key Features

• A/C compressor replacement service kit for R134a systems
• Includes filter drier, expansion valve, compressor oil, O-ring/gasket pack, and cap and valve kit
• PAG Oil / 46 included
• Block-type expansion device with insert O-ring inlet and outlet connections
• Receiver drier/accumulator uses pad mount inlet and outlet fittings
• Limited lifetime warranty
• Cross-reference part numbers include 550205 and PK0066

Product Details

This Four Seasons 10166SK kit is specified for A/C service where the compressor is being replaced and the system needs related wear items refreshed at the same time. The included filter drier helps address moisture control in the refrigerant circuit, while the expansion valve supports proper refrigerant metering. The kit also includes compressor oil and sealing components to support reassembly on the listed vehicles.

Fitment coverage includes 1994-2004 Toyota Tacoma, 1994-2001 Toyota Camry, 1994-2002 Toyota 4Runner, 1994-2002 Toyota Corolla, 1995-1999 Toyota Avalon, 1994-1999 Toyota Celica, 1994-1998 Toyota Supra, 1997-1998 Toyota Tercel, 1996-2000 Toyota RAV4, 2000-2002 Toyota Tundra, and select Lexus, Isuzu, Mitsubishi, Geo, and Volkswagen applications. This part number 10166SK is also listed for Toyota Solara and Lexus ES300 coverage.

This part cross-references Monroe Shocks & Struts (e.g., 550205, PK0066) for the same application.

Common Service Issues Addressed

• Compressor replacement on an R134a A/C system
• Moisture contamination after system opening
• Restricted refrigerant flow through a worn expansion valve
• Leaking or aged O-rings and seals
• Service-related A/C performance loss on Toyota, Lexus, and Volkswagen models

Installation Notes and Tips

Replace the receiver drier or accumulator whenever the A/C system has been opened for compressor service. Verify the refrigerant type before charging, and confirm the expansion valve style and fitting type match the vehicle application. Clean all sealing surfaces, lubricate O-rings with the correct PAG oil, and evacuate the system before recharging.

For fitment-sensitive repairs, confirm the vehicle build date where noted, including 2001 Lexus ES300 through 7/01, 2001 Toyota Tacoma through 8/01, 1995 Toyota Tacoma from 1/95, 1994 Toyota Land Cruiser from 5/93, and 1994 Toyota MR2 from 11/93.

Quality Assurance

Four Seasons backs this A/C service kit with a limited lifetime warranty. Part number 10166SK is built for service use on the listed Toyota Tacoma, Toyota Camry, and related import applications with R134a refrigerant systems.