Four Seasons 57444 A/C Compressor

Reliable A/C Compressor for Nissan 720, D21, and Pickup Models

The Four Seasons Reman Compressor 57444 is designed to restore your Nissan 720, D21, or Pickup vehicle's air conditioning system to proper working condition. This remanufactured A/C compressor is engineered to meet OEM specifications and ensure compatibility with R134a refrigerant systems.

• Compatible with Nissan 720, D21, and Pickup models
• Designed for R134a refrigerant and Pag 46 oil
• Includes clutch and heat sensor switch for efficient operation
• Features a 4-groove serpentine pulley with a 5.25-inch diameter
• Remanufactured to meet strict quality standards

Four Seasons Reman Compressor Product Line

The Reman Compressor line by Four Seasons offers remanufactured A/C compressors that provide a cost-effective alternative to new units without compromising performance. Each compressor undergoes a thorough rebuilding process, including replacement of worn components and testing to ensure reliable operation. The 57444 model is part of this line, delivering a balance of quality and value for Nissan vehicles requiring a dependable A/C compressor replacement.

Technical Specifications and Features

This Four Seasons A/C compressor uses R134a refrigerant and is compatible with Pag 46 refrigerant oil, ensuring proper lubrication and system efficiency. It includes an oil-filled design and a heat switch sensor to maintain optimal operating temperatures. The compressor features a 4-groove serpentine pulley with a 5.25-inch diameter and a 0.5-inch belt width, designed for ear mount installation. The clutch assembly is included, with a maximum diameter of 5.25 inches and a coil voltage of 12 volts. The terminal type is spade, and the coil has a single wire lead for straightforward electrical connection. Additionally, the compressor uses green O-rings (part numbers 24681 and 24661) to ensure a secure seal at the suction port, which is pad mounted.

Common Applications and Problem Resolution

• Replacement for failing or noisy A/C compressors in Nissan 720, D21, and Pickup models
• Restores proper refrigerant compression and circulation in R134a systems
• Addresses clutch engagement issues with included clutch and heat sensor switch
• Solves pulley or belt slippage problems with a 4-groove serpentine pulley design
• Eliminates oil leaks with included oil and green O-rings for sealing

Installation Notes and Tips

When installing the Four Seasons Reman Compressor 57444, ensure compatibility with your Nissan 720, D21, or Pickup model's A/C system. The unit is designed for ear mount installation and requires a serpentine belt with a 0.5-inch width. Note that mounting hardware is not included, so retain or source necessary bolts and brackets. Properly connect the spade terminal and verify the heat sensor switch is correctly positioned. Use Pag 46 refrigerant oil to maintain lubrication and system performance. Always replace O-rings during installation to prevent leaks.

Quality Assurance and Warranty

Four Seasons remanufactured compressors undergo rigorous testing to meet industry standards and ensure reliable operation. The 57444 model is rebuilt with precision to restore functionality and durability. While specific warranty details are not provided here, Four Seasons typically offers coverage on remanufactured parts to protect against defects in materials and workmanship. Consult product documentation or your parts supplier for exact warranty terms.