Four Seasons 57446 A/C Compressor

Overview of Four Seasons Reman Compressor 57446

The Four Seasons Reman Compressor 57446 is a remanufactured A/C compressor designed for vehicles using R134a refrigerant. This unit includes essential components such as the clutch and heat sensor switch, making it a reliable replacement for automotive HVAC systems requiring a Nvr140s type compressor.

• Compatible refrigerant: R134a
• Compatible refrigerant oil type: PAG 46
• Includes oil filling and clutch assembly
• Heat switch type with included heat sensor
• 12V coil voltage with 1 wire lead coil clock position
• 4-groove serpentine pulley, 4.75 inch diameter
• Ear mount installation with pad mount suction and discharge ports
• Spade terminal type for electrical connection
• Includes green O-rings (part numbers 24681 and 24661)

Four Seasons Reman Compressor Product Line Details

The Reman Compressor line by Four Seasons offers remanufactured compressors that meet strict quality standards to restore proper A/C function. This product line focuses on providing reliable, cost-effective alternatives to new compressors by reconditioning core components and including necessary parts such as clutches and sensors. The 57446 model is part of this line, ensuring compatibility with vehicles requiring the Nvr140s compressor type and R134a refrigerant systems.

Technical Specifications and Features

This Four Seasons A/C compressor features a 12-volt coil with a single wire lead positioned for optimal installation. The clutch assembly included has a maximum diameter of 4.75 inches, matching the pulley lip and ridge diameters for consistent performance. The pulley is designed with four grooves to accommodate serpentine belts, common in many automotive applications. The compressor uses a pad mount type for both suction and discharge ports, facilitating secure and leak-free connections. The ear mount style ensures proper alignment and mounting stability.

Common Applications and Problem Resolution

• Replacement for failed or leaking Nvr140s compressors in vehicles using R134a refrigerant
• Restores A/C clutch engagement and cooling efficiency
• Resolves issues related to compressor clutch failure or coil burnout
• Addresses refrigerant oil contamination or depletion problems
• Fixes heat sensor switch malfunctions affecting compressor cycling

Installation Notes and Tips

• Ensure compatibility with vehicle refrigerant type R134a and PAG 46 oil
• Verify pulley groove count and diameter match existing belt system
• Use included green O-rings (24681 and 24661) for proper sealing
• Mount using ear mount points and confirm pad mount port alignment
• Check electrical connections for spade terminal compatibility and coil voltage

Quality Assurance and Warranty

The Four Seasons Reman Compressor 57446 undergoes thorough remanufacturing processes to meet OEM specifications. It includes essential components such as the clutch and heat sensor switch to ensure operational reliability. While mounting hardware is not included, the compressor is oil filled and ready for installation. Warranty coverage details should be confirmed with the parts provider or manufacturer documentation.