Four Seasons 167398 A/C Compressor

Reman A/C Compressor for GM SUVs

Restore cabin cooling with this Four Seasons remanufactured A/C compressor, part number 167398. It is built for select Cadillac, Chevrolet, Buick, and GMC applications and is configured with a clutch, electronic control valve, and oil already included for service-ready replacement.

Four Seasons Reman Compressor line focuses on remanufactured HVAC components for mobile air conditioning systems. This compressor is engineered and tested for dependable operation, drawing on more than 50 years of A/C experience in the aftermarket.

Key Features

• Remanufactured Denso-style compressor, model 7SAS17A
• Refrigerant support for R134A and R1234YF systems
• Clutch included with 12V coil voltage
• Electronic control valve included
• Oil filled and ready for installation prep
• 6-groove pulley with 4.250 in. outside diameter
• 2 ear and 1 tangent mounting style
• Harness lead connector type
• Uses slim line sealing washers: 24402 and 24404

Detailed Description

Four Seasons 167398 is a remanufactured A/C compressor for vehicles using the Denso 7SAS17A configuration. It is built for select Cadillac XT5 and XT6, Chevrolet Blazer, GMC Acadia, Buick Regal Sportback, Buick LaCrosse, and GMC Acadia Limited applications. If you are searching for a reman A/C compressor for a 2017-2024 Cadillac XT5, 2020-2024 Cadillac XT6, or 2019-2024 Chevrolet Blazer, this unit matches the listed fitment and system requirements.

This compressor is specified for R134A and R1234YF refrigerant systems and includes the clutch, electronic control valve, and oil. The 6-groove pulley, harness lead connector, and 2 ear plus 1 tangent mounting layout support direct replacement on the listed vehicles. This part cross-references 141434C and 258840 for the same application.

Common A/C Problems This Part Addresses

• Warm air from the vents when the compressor no longer builds pressure
• Noise from a worn compressor clutch or internal compressor wear
• Intermittent cooling caused by control valve or compressor performance issues
• Loss of A/C output on GM crossover and SUV applications
• System service needs after compressor failure in R134A or R1234YF setups

Installation Notes and Tips

Verify refrigerant type, pulley groove count, connector style, and mounting configuration before installation. Replace the receiver/drier or accumulator, evacuate the system, and recharge to the vehicle specification after compressor replacement. Confirm the correct sealing washers are used and inspect the system for contamination before returning the vehicle to service.

Quality Assurance

Four Seasons engineers and tests its remanufactured HVAC components for long service life and consistent operation. Part number 167398 is backed by the brand’s mobile A/C experience and is built to support reliable replacement on the listed Cadillac, Chevrolet, Buick, and GMC vehicles.