Four Seasons 198381 A/C Compressor

New A/C Compressor for GM Trucks

Four Seasons New Compressor 198381 is a new A/C compressor assembly for select Chevrolet and GMC trucks and SUVs equipped with the 7SAS18A or 7SAS17A compressor design. It is built for R-134a or R1234yf refrigerant systems and includes the clutch, making it a direct replacement option for common GM HVAC service jobs.

Key Features

• Four Seasons New Compressor, part number 198381
• Type: Nippondenso / 7SAS18A compressor design
• Refrigerant support: R-134a or R1234yf
• Oil filled: included
• Clutch included
• 12-volt coil with pin terminal type
• Serpentine belt pulley with 4 grooves
• 3-ear mounting style
• ECV harness connector: Compressor SE36F, Vehicle SE36M
• May require use of OE manifold

Detailed Description

Four Seasons 198381 is a new A/C compressor built for GM applications that use the Nippondenso-style 7SAS18A platform. It is listed for 2014-2015 Chevrolet Cheyenne, Silverado 1500, Silverado 2500, and GMC Sierra and Sierra 1500 models with the 7SAS17A compressor, plus 2016-2018 Chevrolet Cheyenne, Silverado 1500, Silverado 2500, and GMC Sierra and Sierra 1500 models with the 7SAS18A compressor. It also fits 2019 Chevrolet Silverado 1500, 2019 Chevrolet Silverado 1500 LD, and 2019 GMC Sierra 1500 Limited applications noted in the fitment data. This part cross-references Global Parts Distributors LLC 6513078 for the same application.

The Four Seasons New Compressor line focuses on replacement compressors built to match the original system layout, including clutch, pulley, and electrical connection details. For buyers searching for a 2014-2019 Chevrolet Silverado A/C compressor, GMC Sierra A/C compressor, or a new compressor with clutch for GM truck HVAC repair, this unit provides the listed configuration and refrigerant compatibility needed for service work.

Common Problems This Part Can Address

• No cold air from the vents
• Compressor seizure or internal mechanical failure
• Clutch engagement problems
• Noise from the A/C compressor assembly
• Loss of refrigerant system pressure due to compressor wear

Installation Notes and Tips

• Verify the vehicle uses the listed 7SAS17A or 7SAS18A compressor configuration before ordering.
• Replacement of the stretch fit belt is required on the listed applications.
• May require use of the OE manifold during installation.
• Confirm the harness connector, pulley groove count, and mounting style match the original unit.
• Flush the system and inspect related A/C components before installing a new compressor.

Quality Assurance

Four Seasons supplies this as a new compressor assembly with clutch included and oil filled for service preparation. Part number 198381 is built for the specified GM truck and SUV applications and follows the listed OE-style configuration details for fitment accuracy.