Four Seasons 57221 A/C Compressor

Reliable A/C Compressor for GM Vehicles

The Four Seasons Reman Compressor 57221 is a remanufactured A/C compressor designed for a range of GM vehicles including Buick, Cadillac, Chevrolet, GMC, Oldsmobile, and Pontiac models. Engineered to work with R134a refrigerant, this compressor ensures efficient cooling performance for your vehicle's HVAC system.

• Compatible with R134a refrigerant and Pag 150 oil
• Includes oil pre-filled for immediate installation
• Single groove pulley designed for V-belt drive systems
• 12-volt coil with spade terminal type for easy electrical connection
• Comes with clutch assembly included
• Case mount design for secure installation
• O-ring sealed discharge and suction ports to prevent leaks
• Remanufactured to meet OEM specifications

About the Four Seasons Reman Compressor Line

The Four Seasons Reman Compressor product line offers remanufactured A/C compressors that provide a cost-effective alternative to new units without compromising on quality. Each compressor, including part number 57221, undergoes a thorough remanufacturing process to restore critical components and ensure reliable operation. This line is tailored for GM vehicles requiring R4 heavy type compressors, maintaining compatibility with original equipment standards.

Detailed Product Features and Specifications

This Four Seasons Reman Compressor 57221 is designed specifically for GM models such as the Chevrolet C10, Caprice, and Corvette, as well as Buick LeSabre, Cadillac DeVille, and Pontiac Firebird. It features a 5-inch clutch maximum diameter and a pulley diameter of 127 mm (5 inches), optimized for V-belt systems with a 0.5-inch belt width. The coil is positioned at 12 o'clock with a 12-volt rating, and the compressor includes a spade terminal for straightforward electrical hookup. Both suction and discharge ports use O-ring and sealing washers to ensure a tight, leak-free fit. The unit comes pre-filled with compatible Pag 150 oil and includes the clutch assembly, but mounting hardware is not included.

Common Applications and Problem Resolution

• Replaces worn or failed A/C compressors in GM trucks and cars
• Restores proper air conditioning cooling performance
• Eliminates compressor noise or clutch engagement issues
• Addresses refrigerant leaks at compressor ports
• Solves electrical connection problems with spade terminal design

Installation Notes and Tips

Before installation, verify compatibility with your specific GM make and model, such as the Chevrolet C1500 Suburban or Pontiac Grand Prix. Ensure the system is evacuated and recharged with R134a refrigerant and Pag 150 oil as specified. The compressor mounts via a case mount design; note that mounting hardware is not included and must be sourced separately. Proper torque specifications should be followed to avoid damage. Electrical connections use a spade terminal for ease of installation.

Quality Assurance and Warranty

The Four Seasons Reman Compressor 57221 is remanufactured to meet or exceed OEM standards for durability and performance. It includes pre-filled oil and a clutch assembly to facilitate reliable operation. While mounting hardware is not included, the compressor is backed by Four Seasons' quality control processes to ensure consistent functionality. Please consult Four Seasons or your parts provider for specific warranty details related to this remanufactured unit.