Four Seasons 3278N A/C Compressor Kit

Four Seasons 3278N A/C Compressor Kit

Four Seasons 3278N is a PAC-Kit with a new compressor for select Hyundai Sonata and Kia Optima applications using an HS18 compressor. It is built for direct replacement service on listed vehicles and supports a complete A/C compressor repair with matched system components.

Key Features

• Brand: Four Seasons
• Brand line: PAC-Kit w/ New Compressor
• Part number: 3278N
• Application-specific A/C compressor kit for HS18 compressor systems
• Fits select 2002-2006 Kia Optima and 2002-2004 Hyundai Sonata models
• Includes the compressor kit components referenced in the fitment notes for the listed application

Fitment Details

Compatible with 2006 Kia Optima, N/A, w/ HS18 Compressor; To 9/06. Compatible with 2002-2005 Kia Optima, N/A, w/ HS18 Compressor. Compatible with 2003-2004 Hyundai Sonata, N/A, w/ HS18 Compressor. Compatible with 2002 Hyundai Sonata, N/A, w/ HS18 Compressor; From 11/02.

The Four Seasons PAC-Kit w/ New Compressor line is organized around vehicle-specific A/C service needs, helping match the compressor package to the original HS18 system used in these Hyundai Sonata and Kia Optima applications. Four Seasons 3278N is listed for the exact year and model combinations shown above, making it a focused choice for A/C compressor replacement work.

Common Repair Uses

• Restoring cooling performance after compressor failure
• Addressing noisy or seized A/C compressor operation
• Replacing a worn compressor on HS18-equipped Hyundai Sonata or Kia Optima models
• Correcting poor refrigerant circulation in the A/C system
• Repairing an air conditioning system that no longer engages properly

Installation Notes

Verify the vehicle’s compressor type and production date before ordering. This part is listed for HS18 compressor applications only, with date-specific coverage for 2002 Hyundai Sonata, 2006 Kia Optima, and the other model years shown. Follow standard A/C service procedures, including system evacuation, flushing where required, and proper oil handling for the listed application.

Quality Assurance

Four Seasons is a recognized aftermarket brand for climate control components, and this PAC-Kit is cataloged for the exact Hyundai Sonata and Kia Optima fitments shown in the application data. Part number 3278N is intended for direct-match service on the listed vehicles.