Four Seasons 57978 A/C Compressor

Overview of Four Seasons Reman Compressor 57978

The Four Seasons Reman Compressor 57978 is a remanufactured A/C compressor designed specifically for Chevrolet S10 and GMC Sonoma models. Engineered to work with R134a refrigerant and compatible with Pag 150 oil, this compressor ensures reliable air conditioning performance for your vehicle.

• Compatible Refrigerant: R134a
• Compatible Refrigerant Oil Type: Pag 150
• Compressor Type: V5 with 12V coil voltage
• Includes clutch and high-pressure switch
• 6-groove serpentine pulley with 5-inch diameter
• Ear mount installation type with pin terminal
• Equipped with sealing washer suction ports (5/8" x 5/8")
• O-ring sealing washers included (quantity: 2)

Details on Four Seasons Reman Compressor Product Line

The Reman Compressor line by Four Seasons offers remanufactured compressors that meet strict quality standards to restore A/C system functionality. This product line focuses on providing reliable, cost-effective replacements with included components such as clutches and pressure switches, designed to match original equipment specifications for vehicles like the Chevrolet S10 and GMC Sonoma.

Technical Description and Features

This remanufactured A/C compressor features a V5 compressor type optimized for R134a refrigerant systems. It comes oil-filled with Pag 150 compatible oil to ensure proper lubrication and longevity. The included clutch has a maximum diameter of 5 inches and is positioned at a 12 o'clock coil clock position for precise fitment. The pulley system includes a 6-groove serpentine belt pulley with a 5-inch diameter, designed for ear mount installation. The compressor also includes a high-pressure switch and pin-type terminal for electrical connections. Suction ports use sealing washers for secure, leak-free connections.

Compatible Vehicles and Common Applications

• Replacement for Chevrolet S10 A/C compressor issues
• Suitable for GMC Sonoma air conditioning system repairs
• Resolves compressor clutch failure and pressure switch malfunctions
• Addresses refrigerant leaks and pulley wear problems
• Restores proper A/C cooling performance in compatible models

Installation Notes and Tips

Installation requires ear mount compatibility and proper alignment of the 6-groove serpentine pulley. Ensure the system is evacuated and recharged with R134a refrigerant and Pag 150 oil. The included clutch and high-pressure switch simplify replacement, but mounting hardware is not included and must be sourced separately. Verify the coil voltage and terminal type match your vehicle’s electrical system before installation.

Quality Assurance and Warranty

The Four Seasons Reman Compressor 57978 undergoes rigorous remanufacturing processes to meet OEM standards. It includes essential components such as the clutch and pressure switch to ensure system compatibility. While specific warranty details are not provided here, Four Seasons typically offers limited warranties on remanufactured compressors to cover defects in materials and workmanship.