Four Seasons 57901 A/C Compressor

Overview of Four Seasons Reman Compressor 57901

The Four Seasons Reman Compressor 57901 is a remanufactured A/C compressor designed for select GM vehicles including Cadillac, Chevrolet, and GMC models. Engineered to work with R134a refrigerant and compatible with Pag 150 oil, this compressor ensures reliable air conditioning performance for trucks and SUVs such as the Chevrolet Silverado and GMC Sierra series.

• Compatible refrigerant type: R134a
• Compatible refrigerant oil: Pag 150
• Includes oil and high-pressure pressure switch
• Four-groove serpentine pulley with 4.25-inch diameter
• 12-volt coil with 11 o'clock coil clock position
• Hu6 compressor type with tangent mount
• Includes clutch assembly with 4.25-inch maximum diameter
• Pin-type electrical terminal
• Sealing washer discharge and suction ports with included O-rings

Four Seasons Reman Compressor Product Line

The Reman Compressor line from Four Seasons offers remanufactured A/C compressors that meet strict quality standards to restore factory-level performance. This product line focuses on providing reliable, cost-effective compressor replacements for a range of vehicle applications. The 57901 model is part of this line, delivering a Hu6 compressor type with included clutch and pressure switch, designed specifically for GM trucks and SUVs.

Detailed Product Description

This Four Seasons Reman Compressor 57901 is engineered for use with R134a refrigerant and Pag 150 oil, ensuring compatibility with the original equipment specifications of many GM vehicles. The compressor features a four-groove serpentine pulley with a 4.25-inch diameter, designed for efficient belt engagement and smooth operation. The included clutch assembly matches the original clutch diameter and is mounted using a tangent mount system. Electrical connections utilize a pin-type terminal, and the coil operates at 12 volts with an 11 o'clock clock position for proper fitment. Both the discharge and suction ports use sealing washers with included O-rings to maintain system integrity and prevent leaks.

Compatible Vehicles and Applications

• Cadillac Escalade and Escalade EXT
• Chevrolet Avalanche 1500 and 2500
• Chevrolet Silverado 1500, 1500 HD, 2500, 2500 HD, and 3500
• Chevrolet Suburban 1500 and 2500
• Chevrolet Tahoe
• GMC Sierra 1500, 1500 HD, 2500, 2500 HD, and 3500
• GMC Yukon, Yukon XL 1500, and Yukon XL 2500

Common Issues Addressed by This Compressor

• Loss of A/C cooling performance due to compressor failure
• Clutch engagement problems causing intermittent A/C operation
• Refrigerant leaks from worn or damaged compressor seals
• Excessive noise or vibration from a failing compressor unit
• High-pressure switch malfunctions affecting system safety

Installation Notes and Tips

Installation of the Four Seasons Reman Compressor 57901 requires proper handling of refrigerant and oil to maintain system performance. The included oil and pressure switch simplify replacement, but mounting hardware is not included and must be reused or sourced separately. Ensure the serpentine belt is properly aligned with the four-groove pulley. Verify electrical connections match the pin-type terminal and confirm coil voltage compatibility. It is recommended to replace O-rings and sealing washers during installation to prevent leaks.

Quality Assurance and Warranty

This remanufactured compressor undergoes rigorous testing to meet OEM standards for durability and performance. The Four Seasons Reman Compressor 57901 includes all necessary internal components such as the clutch and pressure switch to ensure reliable operation. While mounting hardware is not included, the product is backed by Four Seasons' quality assurance protocols. Please refer to the manufacturer’s warranty documentation for specific coverage details.