Four Seasons 198333 A/C Compressor

New A/C Compressor for GM SUVs

Four Seasons 198333 is a new A/C compressor assembly for select Cadillac Escalade, Cadillac Escalade ESV, Chevrolet Tahoe, GMC Yukon, and GMC Yukon XL applications with the 7SAS18A compressor. It is built for R-134a or R1234yf refrigerant systems and includes the clutch for a complete service replacement.

Key Features

• Brand: Four Seasons New Compressor line
• Part number: 198333
• New compressor with clutch included
• Refrigerant support: R-134a or R1234yf
• Oil filled: included
• Compressor type: 7SAS18A, Nippondenso style
• 12-volt coil with pin terminal type
• Serpentine belt pulley with 4 grooves
• 3-ear mounting design
• ECV harness connector: Compressor SE36F, Vehicle SE36M
• May require use of OE manifold

Product Details

The Four Seasons New Compressor line focuses on direct replacement HVAC components for service work where the original compressor design matters. This Four Seasons 198333 A/C compressor uses a Nippondenso-type 7SAS18A configuration, a 109.54 mm pulley diameter, and a 4-groove serpentine pulley setup. It is supplied as a new unit with clutch and oil already included, making it a practical replacement for vehicles that need a compressor service on the factory air conditioning system.

This part cross-references UAC CO29134C and Global Parts Distributors LLC 6513078 for the same application. It is a direct-fit option for 2015-2020 Cadillac Escalade, 2015-2020 Cadillac Escalade ESV, 2015-2020 Chevrolet Tahoe, 2015-2020 GMC Yukon, and 2015-2020 GMC Yukon XL equipped with the 7SAS18A compressor. Search terms such as 2015-2020 Cadillac Escalade A/C compressor, 2015-2020 Chevrolet Tahoe compressor with clutch, and 2015-2020 GMC Yukon XL air conditioning compressor apply to this part.

Common Problems This Part Can Address

• Loss of cabin cooling from a worn or seized compressor
• Noise from a failing compressor clutch or internal compressor wear
• Refrigerant circulation issues that reduce A/C performance
• Compressor replacement needs after contamination or system failure
• Service replacement for vehicles using the 7SAS18A compressor design

Installation Notes

• Verify the vehicle uses the 7SAS18A compressor before ordering.
• Replacement of the stretch fit belt is required on listed applications.
• May require use of the OE manifold during installation.
• Confirm the ECV harness connector style matches the vehicle side connector.
• Follow proper evacuation, flushing, and recharge procedures for the refrigerant type used in the system.

Quality Assurance

Four Seasons supplies this compressor as a new replacement component for HVAC service applications. The unit is built to match the listed compressor type, electrical connection, pulley configuration, and mounting style for the specified GM SUV fitments.