Four Seasons 57443 A/C Compressor

Overview of Four Seasons Reman Compressor 57443

The Four Seasons Reman Compressor 57443 is designed specifically for Nissan Pulsar NX and Sentra models. This remanufactured A/C compressor ensures compatibility with R134a refrigerant and includes essential components for reliable HVAC system performance.

• Compatible with Nissan Pulsar NX and Sentra
• Designed for R134a refrigerant systems
• Includes clutch and heat sensor switch
• Oil filled with PAG 46 compatible refrigerant oil
• Features a 4-groove serpentine pulley

Key Features and Specifications

This remanufactured A/C compressor from Four Seasons operates on 12-volt coil voltage and features a NVR140S compressor type. It comes with a clutch assembly included, measuring 5.25 inches in maximum diameter, and a pulley with a 4-groove serpentine belt design. The pulley diameter is approximately 133.35 mm, with a lip and ridge diameter of 5.25 inches. The compressor is oil filled and compatible with PAG 46 refrigerant oil, ensuring proper lubrication and system efficiency. The heat switch and heat sensor are included to maintain optimal operation and protect the system.

About the Four Seasons Reman Compressor Line

The Reman Compressor product line by Four Seasons offers remanufactured compressors that meet strict quality standards. These compressors are rebuilt to original equipment specifications, providing a cost-effective alternative to new units without compromising performance. The 57443 model is part of this line, delivering reliable operation for Nissan Pulsar NX and Sentra vehicles equipped with R134a refrigerant systems.

Applications and Common Issues Addressed

• Replacement for failing or noisy A/C compressors in Nissan Pulsar NX and Sentra
• Restores proper refrigerant flow and pressure in R134a systems
• Solves clutch engagement problems with included clutch assembly
• Addresses overheating issues with integrated heat sensor switch
• Fixes oil leakage and lubrication failures with oil-filled design

Installation Notes and Tips

When installing the Four Seasons Reman Compressor 57443, ensure the system is evacuated and flushed to remove contaminants. Use PAG 46 refrigerant oil as specified for compatibility. The compressor mounts using an ear mount style and requires a serpentine belt with 4 grooves. Note that mounting hardware is not included and must be sourced separately. Verify the spade terminal connections and proper clutch alignment during installation for optimal performance.

Quality Assurance and Warranty

Four Seasons remanufactured compressors undergo rigorous testing to meet OEM standards. The 57443 compressor includes a heat switch and clutch assembly to ensure system integrity. While mounting hardware is not included, the compressor is supplied with green O-rings for sealing. Warranty coverage details should be confirmed at the point of purchase, reflecting Four Seasons’ commitment to quality and reliability.