Four Seasons 57976 A/C Compressor

Four Seasons 57976 Reman A/C Compressor

The Four Seasons Reman Compressor 57976 is a remanufactured GM-style V5 A/C compressor built for R134a systems using PAG 150 oil. It includes the clutch and is configured with a 12-volt coil, 5-groove serpentine pulley, and ear-mount design for direct replacement service on select Buick, Chevrolet, Oldsmobile, and Pontiac applications.

Key Features

• Remanufactured Four Seasons A/C compressor, part number 57976
• V5 compressor type with clutch included
• R134a refrigerant type with PAG 150 oil filled
• 12V coil, pin terminal, and 2 o'clock coil clock position
• 5-groove serpentine pulley with 127 mm pulley diameter
• Ear mount design with sealing-washer suction ports
• Supplied with one [24355] sealing washer and one [24354] sealing washer

Product Details

Four Seasons Reman Compressor 57976 is a remanufactured GM A/C compressor for vehicles using the V5 compressor platform. It is set up for R134a refrigerant and comes oil filled with PAG 150, making it a practical replacement for service work and retrofit applications. The unit includes the clutch and uses a serpentine belt pulley with five grooves, plus ear-mount installation points and 5/8" x 3/4" suction ports with sealing-washer connections. This part cross-references Gates 2440 for the same application. Fits 1992-1993 Buick Skylark, N/A; Fits 1992-1993 Chevrolet Cavalier, N/A; Fits 1992-1993 Chevrolet Corsica, N/A; Fits 1992-1993 Oldsmobile Achieva, N/A; Fits 1992-1993 Pontiac Grand Am, N/A. The printed note states this compressor is equipped with an R12 control valve, and when retrofitting to R134a, control valve 38846 is recommended for optimum system performance.

Common Problems This Part Can Address

• Loss of A/C cooling output from a worn or failed compressor
• Noise from a damaged compressor clutch or internal compressor wear
• Refrigerant leakage at compressor port connections
• Incorrect compressor operation during an R12-to-R134a retrofit
• Belt drive issues related to a worn compressor pulley assembly

Installation Notes and Tips

Verify the vehicle uses the V5 compressor configuration before ordering. Confirm the pulley groove count, ear-mount layout, and sealing-washer port style match the original unit. Because this compressor is oil filled with PAG 150, follow proper A/C service procedures, evacuate the system, and replace sealing washers during installation. For retrofit use on R134a systems, Four Seasons notes that control valve 38846 is recommended for optimum performance.

Quality Assurance

This Four Seasons remanufactured compressor is built for direct-fit service on listed GM applications and is supplied with the clutch installed. Four Seasons reman compressor 57976 is intended for professional A/C repair where OE-style fitment and correct refrigerant setup are required.