Four Seasons 57774 A/C Compressor

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

The Four Seasons Reman Compressor 57774 is a remanufactured A/C compressor designed to restore efficient air conditioning performance in select GM vehicles. Engineered for compatibility with R134a refrigerant, this compressor meets the specific needs of models like the Buick Century, Chevrolet Lumina, and Pontiac Grand Prix.

• Compatible refrigerant type: R134a
• Includes oil filled with PAG 150 compatible refrigerant oil
• Equipped with a high-pressure pressure switch
• 6-groove serpentine pulley for reliable belt engagement
• Includes clutch assembly with a maximum diameter of 4.25 inches
• 12-volt coil voltage with coil clock position at 2 o'clock
• Ear mount installation type with block mount suction port
• Comes with two green O-rings (part number 24615) for sealing
• Remanufactured V5 compressor type designed for GM applications

About the Four Seasons Reman Compressor Line

The Reman Compressor line by Four Seasons offers remanufactured A/C compressors that provide a cost-effective alternative to new units without compromising on quality. Each compressor undergoes a thorough remanufacturing process to ensure it meets original equipment specifications. The 57774 model is part of this line, delivering reliable performance for GM vehicles requiring a V5 compressor type with R134a refrigerant compatibility.

Detailed Product Description

This Four Seasons Reman Compressor 57774 is designed specifically for GM vehicles including Buick Celebrity, Chevrolet Lumina APV, Oldsmobile Cutlass Supreme, and Pontiac Trans Sport. It features a 6-groove serpentine pulley system and includes the clutch assembly, which has a maximum diameter of 4.25 inches. The compressor is oil filled with PAG 150 oil, ensuring proper lubrication and longevity. The included high-pressure pressure switch helps maintain system safety and efficiency. Installation is facilitated by the ear mount design and block mount suction port, with two green O-rings included for proper sealing. The coil operates at 12 volts with a coil clock position at 2 o'clock, matching OEM specifications.

Common Applications and Issues Addressed

• Restores A/C cooling performance in Buick Century and Chevrolet Lumina models
• Replaces failing or noisy compressors in Oldsmobile Cutlass and Pontiac Grand Prix
• Solves refrigerant leaks due to worn seals or O-rings
• Addresses clutch engagement problems in serpentine belt systems
• Resolves high-pressure switch failures affecting compressor operation

Installation Notes and Tips

• Ensure system is evacuated and flushed before installation
• Use PAG 150 refrigerant oil as specified for lubrication
• Verify clutch assembly compatibility if replacing compressor without clutch
• Check pulley alignment and belt condition during installation
• Replace O-rings with the included green O-rings (part number 24615) to prevent leaks

Quality Assurance and Warranty

The Four Seasons Reman Compressor 57774 is remanufactured to meet or exceed OEM standards for fit, form, and function. It includes oil and a high-pressure switch to ensure proper operation. While mounting hardware is not included, the compressor is designed for straightforward installation on compatible GM vehicles. Warranty coverage details should be confirmed with the parts provider, as they may vary.