Four Seasons 4389N A/C Compressor Kit

Four Seasons PAC-Kit w/ New Compressor 4389N

Four Seasons 4389N is a PAC-Kit with a new compressor for select Chevrolet Silverado HD and GMC Sierra HD applications. It is built for vehicles that need a direct-fit A/C compressor kit solution for the 2007-2010 model years, including specific 10S17F and 10S20F compressor configurations.

Key Features

• Four Seasons PAC-Kit w/ New Compressor
• Part number 4389N
• Fits select Chevrolet Silverado 2500 HD, Silverado 3500 HD, GMC Sierra 2500 HD, and Sierra 3500 HD applications
• Application-specific coverage for 2007-2010 trucks
• Configured for vehicles with 10S17F compressor setups and 2010 ambulance-package applications with 10S20F compressor setups
• Includes fitment references for the accumulator, orifice, flush, and oil service components listed by application

Detailed Description

This Four Seasons A/C compressor kit is cataloged for heavy-duty Chevrolet and GMC trucks that require a PAC-Kit with a new compressor. The 4389N application coverage includes 2007-2010 Chevrolet Silverado 2500 HD and Silverado 3500 HD, 2007-2010 GMC Sierra 2500 HD and Sierra 3500 HD, plus 2007 Chevrolet Silverado 2500 HD Classic and Silverado 3500 Classic. Fitment is specific to the listed compressor type and vehicle configuration, so matching the original system details is important before ordering.

Four Seasons 4389N is a practical choice when servicing the A/C system on a Chevrolet Silverado HD or GMC Sierra HD with the correct compressor family. This part number is also searched as Four Seasons 4389N A/C compressor kit for 2007-2010 Silverado HD and Sierra HD trucks.

What It Is Used For

• Replacing a failed A/C compressor on listed Silverado HD and Sierra HD trucks
• Restoring cooling performance after compressor seizure or internal wear
• Addressing noisy compressor operation in the vehicle’s HVAC system
• Correcting loss of A/C output tied to compressor failure
• Servicing the system when the original compressor configuration matches the listed application

Installation Notes and Tips

Verify the compressor type on the vehicle before installation, especially the 10S17F and 10S20F configurations noted in the fitment data. Confirm the exact year, make, model, and package details for Chevrolet Silverado HD and GMC Sierra HD trucks, including the ambulance-package exception on 2010 applications. Proper system evacuation, flushing, and oil management are important when replacing A/C compressor components.

Quality Assurance

Four Seasons catalogs this PAC-Kit under part number 4389N for the listed heavy-duty truck applications. The fitment data is application-specific and should be matched to the vehicle’s original compressor configuration before installation.