Four Seasons 77493 A/C Compressor

Overview of Four Seasons Reman Compressor 77493

The Four Seasons Reman Compressor 77493 is a remanufactured A/C compressor designed specifically for Mitsubishi vehicles including the Eclipse, Endeavor, and Galant models. Engineered to work with R134a refrigerant and compatible with Pag 46 refrigerant oil, this compressor ensures reliable air conditioning performance for your vehicle.

• Compatible with Mitsubishi Eclipse, Endeavor, and Galant
• Designed for R134a refrigerant and Pag 46 oil
• Includes clutch and heat sensor switch
• Features a 6-groove serpentine pulley
• Remanufactured for quality and durability

Features and Specifications

This Four Seasons A/C compressor features a 12-volt coil with a single wire lead positioned at the 1 o'clock coil clock position. The clutch assembly, included with the compressor, has a maximum diameter of 3.75 inches and matches the pulley lip and ridge diameters for optimal fit. The pulley is designed for serpentine belts with six grooves, ensuring compatibility with the vehicle’s belt system. The compressor uses a tangent mount type with a mounting distance of 27.94 mm (1.09375 inches from clutch to mounting flange). Both suction and discharge ports utilize O-ring seals, with green O-rings included for proper sealing. The unit is oil-filled and includes a heat switch sensor to maintain system safety and efficiency.

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 alternative to new units without compromising performance. The 77493 model is part of this line, ensuring it delivers reliable operation for Mitsubishi vehicles requiring the MSC105C compressor type.

Applications and Common Issues Addressed

• Replacement for failing or noisy A/C compressors in Mitsubishi Eclipse, Endeavor, and Galant
• Restores proper refrigerant flow and pressure in R134a systems
• Solves clutch engagement problems due to worn or damaged clutches
• Addresses refrigerant leaks at compressor ports with included O-rings
• Improves cooling efficiency by replacing oil-depleted or damaged compressors

Installation Notes and Tips

When installing the Four Seasons Reman Compressor 77493, ensure the use of compatible refrigerant oil type Pag 46 to maintain lubrication. The included clutch and heat sensor switch simplify installation, but mounting hardware is not included and must be sourced separately. Verify the serpentine belt condition and pulley alignment during installation to prevent premature wear. Proper torque specifications should be followed for the tangent mount to ensure secure fitment.

Quality Assurance and Warranty

Four Seasons remanufactured compressors undergo rigorous testing to meet OEM standards. The 77493 compressor includes oil and O-rings to support a reliable seal and lubrication. While specific warranty details are not provided here, Four Seasons typically offers limited warranties on remanufactured parts to cover defects in materials and workmanship.