Four Seasons 57931 A/C Compressor

Reliable A/C Compressor for Chevrolet and GMC Trucks

The Four Seasons Reman Compressor 57931 is designed to restore your vehicle's air conditioning system with precision and durability. Engineered for select Chevrolet and GMC models, this remanufactured A/C compressor ensures compatibility and efficient cooling performance.

• Compatible with R134a refrigerant and Pag 150 oil type
• Includes oil-filled compressor and clutch assembly
• Features a 6-groove serpentine pulley for optimal belt engagement
• Equipped with a high-pressure pressure switch and pin-type terminal
• Designed with a tangent mount and sealing washer discharge and suction ports

Four Seasons Reman Compressor Product Line

The Reman Compressor line by Four Seasons offers remanufactured A/C compressors that meet strict quality standards to provide reliable performance and fitment. This product line focuses on restoring original equipment specifications, making it a practical choice for maintaining the HVAC system in Chevrolet and GMC trucks without compromising on durability or function.

Detailed Product Features and Specifications

This Four Seasons A/C compressor (part number 57931) is specifically designed for use with R134a refrigerant and compatible with Pag 150 refrigerant oil, ensuring proper lubrication and system longevity. The compressor includes an oil-filled design and a clutch assembly with a maximum diameter of 4.25 inches, positioned at an 11 o'clock coil clock position for precise electrical connection. The pulley system features six grooves and a serpentine belt type, with a pulley diameter of approximately 108 mm (4.25 inches), providing reliable belt engagement and power transfer.

The compressor uses a tangent mount style with a mounting distance of 15.24 mm (0.59375 inches) from clutch to mounting flange. Both the discharge and suction ports utilize sealing washers and include two O-rings (part number 24354) to ensure a secure, leak-free connection. The unit is equipped with a high-pressure pressure switch and pin-type terminal for electrical connections, supporting a 12-volt coil voltage.

Compatible Vehicles and Applications

• Chevrolet C1500, Silverado 1500, Silverado 2500 HD, Silverado 3500
• GMC Sierra 1500, Sierra 2500 HD, Sierra 3500
• Chevrolet Express 1500, Express 2500, Express 3500
• GMC Savana 1500, Savana 2500, Savana 3500
• GMC G30

Common Issues Addressed by This A/C Compressor

• Loss of cooling due to compressor failure or wear
• Clutch engagement problems affecting A/C operation
• Refrigerant leaks from worn seals or ports
• Inadequate belt drive caused by pulley damage
• Electrical faults related to pressure switch or coil

Installation Notes and Tips

Ensure the system is properly evacuated and flushed before installing the remanufactured compressor to prevent contamination. Use compatible refrigerant oil (Pag 150) and verify the correct refrigerant type (R134a) for your vehicle. The clutch and pressure switch are included, but mounting hardware is not provided and must be sourced separately. Confirm the coil clock position and terminal type match your vehicle’s wiring harness for proper electrical connection.

Quality Assurance and Warranty

The Four Seasons Reman Compressor 57931 undergoes rigorous remanufacturing processes to meet OEM specifications. It includes oil and clutch assemblies to ensure reliable operation. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship. Verify warranty terms with the product documentation or supplier.