Four Seasons 57970 A/C Compressor

Reliable A/C Compressor for Chevrolet Astro and GMC Safari

The Four Seasons Reman Compressor 57970 is designed to restore your vehicle's air conditioning system with precision. Engineered for compatibility with Chevrolet Astro and GMC Safari models, this remanufactured A/C compressor ensures efficient cooling performance using R134a refrigerant.

• Compatible Refrigerant: R134a
• Compatible Refrigerant Oil Type: PAG 150
• Includes Oil Filling for optimal lubrication
• Pressure switch type with high-pressure switch included
• 6-groove serpentine pulley for reliable belt engagement
• Clutch included with a maximum diameter of 4.25 inches
• 12-volt coil voltage with coil positioned at 2 o'clock
• Mounting type: Type VII (rear bracket)
• Pin terminal type for electrical connection
• Sealing washer suction port with 5/8" x 5/8" ports
• Remanufactured compressor type: DA6, HR6, HE6
• O-ring sealing washers included (quantity: 2)

About the Four Seasons Reman Compressor Line

The Reman Compressor line by Four Seasons offers remanufactured A/C compressors that meet strict quality standards. These compressors are rebuilt to original equipment specifications, providing a cost-effective solution for restoring air conditioning systems. The 57970 model benefits from this line's focus on durability and compatibility, making it a suitable replacement for GM vehicles like the Chevrolet Astro and GMC Safari.

Detailed Product Description

This Four Seasons A/C compressor (part number 57970) is designed specifically for use with R134a refrigerant and PAG 150 oil, ensuring proper lubrication and system efficiency. The included oil filling and high-pressure switch help maintain system integrity and safety. Featuring a 6-groove serpentine pulley and a clutch with a 4.25-inch diameter, this compressor supports reliable engagement and smooth operation. The mounting type VII rear bracket design and pin terminal electrical connection facilitate straightforward installation on compatible GM models. The compressor's coil is positioned at 2 o'clock and operates at 12 volts, matching OEM specifications. Additionally, the suction port uses sealing washers with 5/8" x 5/8" ports to ensure a secure and leak-free connection.

Common Issues Addressed by This A/C Compressor

• Loss of air conditioning cooling performance in Chevrolet Astro and GMC Safari
• Compressor clutch failure or slipping
• Refrigerant leaks due to worn or damaged compressor components
• High-pressure switch malfunctions affecting system operation
• Noise or vibration caused by compressor wear

Installation Notes and Tips

Ensure the system is properly evacuated and recharged with R134a refrigerant and PAG 150 oil when installing this compressor. Verify the clutch air gap and pulley alignment to prevent premature wear. The mounting hardware is not included, so retain original fasteners or source replacements as needed. Confirm electrical connections match the pin terminal type and that the high-pressure switch is correctly installed for system safety.

Quality Assurance and Warranty

The Four Seasons Reman Compressor 57970 undergoes rigorous remanufacturing processes to meet OEM standards. Each unit is oil filled and pressure tested to ensure reliability. While specific warranty details are not provided here, Four Seasons typically offers limited warranties on remanufactured compressors to cover defects in materials and workmanship.