Four Seasons 57974 A/C Compressor

Reliable A/C Compressor for Buick, Chevrolet, Oldsmobile, and Pontiac

The Four Seasons Reman Compressor 57974 is designed to restore your vehicle's air conditioning system with precision. Engineered for select Buick, Chevrolet, Oldsmobile, and Pontiac models, this remanufactured A/C compressor ensures compatibility and performance with R134a refrigerant systems.

• Compatible with R134a refrigerant and Pag 150 oil
• Includes oil and high-pressure switch for optimal operation
• Features a 6-groove serpentine pulley with 4.25-inch diameter
• Equipped with a pressure switch and pin-type terminal
• Designed for ear mount installation with a 1.15625-inch clutch-to-mounting flange distance
• Includes clutch assembly with a maximum diameter of 4.25 inches
• Coil voltage rated at 12 volts with coil clock position at 2 o'clock
• Remanufactured V5 compressor type with sealing washer suction ports

About the Four Seasons Reman Compressor Line

The Reman Compressor product line by Four Seasons offers remanufactured A/C compressors that meet strict quality standards. These compressors are rebuilt to original equipment specifications, including the integration of necessary components such as clutches and pressure switches. The 57974 model is part of this line, providing a cost-effective and reliable solution for restoring air conditioning function in compatible GM vehicles.

Detailed Product Description

This Four Seasons Reman Compressor 57974 is specifically designed for use with R134a refrigerant and compatible with Pag 150 oil, ensuring proper lubrication and system efficiency. The compressor includes oil and a high-pressure switch to maintain system safety and performance. Its 6-groove serpentine pulley with a 4.25-inch diameter matches factory specifications for smooth belt operation. The pin-type terminal and ear mount design facilitate straightforward electrical and mechanical installation. The clutch assembly is included, featuring a 4.25-inch maximum diameter and a coil voltage of 12 volts positioned at 2 o'clock for proper alignment. The compressor uses sealing washer suction ports sized at 5/8" x 5/8" to maintain a secure refrigerant seal.

Compatible Vehicles and Common Applications

• Buick Century, Regal
• Chevrolet Lumina, Lumina APV
• Oldsmobile Cutlass, Cutlass Ciera, Cutlass Supreme
• Pontiac Grand Prix

This compressor addresses issues such as:

• Loss of A/C cooling due to compressor failure
• Excessive noise or clutch slippage in the A/C system
• Refrigerant leaks from worn compressor seals
• High-pressure switch malfunctions affecting system operation
• Incompatibility with R134a refrigerant systems in older compressors

Installation Notes and Tips

Installation requires removal of the old compressor and proper evacuation of the A/C system. Ensure the use of Pag 150 oil as specified for lubrication. The included clutch and pressure switch simplify replacement, but mounting hardware is not included and must be reused or sourced separately. Verify the clutch-to-mounting flange distance of 1.15625 inches for proper fitment. Confirm the serpentine belt alignment with the 6-groove pulley to avoid belt wear.

Quality Assurance and Warranty

The Four Seasons Reman Compressor 57974 undergoes rigorous remanufacturing processes to meet OEM standards. It includes essential components such as the clutch and pressure switch to ensure reliable operation. While mounting hardware is not included, the compressor is oil-filled and ready for installation. Warranty coverage details should be confirmed with the distributor or installer.