Four Seasons 4803NK A/C Compressor and Component Kit

Complete A/C Kit for Toyota and Scion

Four Seasons 4803NK is a complete air conditioning kit with a new compressor for select Toyota and Scion applications. It is built around R134a service requirements and includes the major replacement components needed for a full A/C repair.

The Four Seasons Complete A/C Kit line is organized for direct system service, combining the compressor, filter drier, expansion valve, oil, and O-rings in one package for the listed vehicles.

Key Features

• Complete air conditioning kit with new compressor
• Compressor oil included
• R134a refrigerant type
• Block-type expansion device
• O-ring inlet and outlet connections on the expansion valve
• Gaskets and seals included
• Limited lifetime warranty
• Four Seasons 4803NK application-specific A/C service kit

Detailed Description

Four Seasons 4803NK is a replacement A/C compressor kit for vehicles using the 6SEU14C compressor design. The kit includes 68328 new compressor, 83029 filter drier, 39274 expansion valve, 59007 oil, and O-rings. It is listed for 2008-2014 Scion xD, 2009-2010 Toyota Corolla, 2009-2010 Toyota Matrix, and 2012 Toyota Matrix from 8/11. This part cross-references 520268 and MK1102 for the same application.

Common Repair Uses

• Restores cooling performance when the compressor is worn or seized
• Addresses weak or inconsistent cabin air temperature
• Replaces a restricted or contaminated filter drier
• Corrects expansion valve flow issues that affect refrigerant metering
• Supports repair after A/C system contamination or component failure

Installation Notes and Tips

Verify the vehicle’s compressor type and model year before installation. This kit is listed for systems using R134a and a 6SEU14C compressor, so matching the original configuration is important for proper fitment. Replace the included O-rings and follow standard evacuation, leak check, and recharge procedures after assembly.

Quality Assurance

Four Seasons backs this kit with a limited lifetime warranty. The Complete A/C Kit format helps streamline major system service by grouping the core replacement parts needed for the listed Toyota Corolla, Toyota Matrix, and Scion xD applications.