Four Seasons 77484 A/C Compressor

Reliable A/C Compressor for Mitsubishi Eclipse and Galant

The Four Seasons Reman Compressor 77484 is designed to restore your vehicle's air conditioning system with precision. Engineered for Mitsubishi Eclipse and Galant models, this remanufactured A/C compressor ensures compatibility and efficient cooling performance.

• Compatible with R134a refrigerant
• Includes oil pre-filled with PAG 46 refrigerant oil
• Equipped with heat switch and RPM sensor for accurate system monitoring
• Features a 6-groove serpentine pulley for optimal belt engagement
• Comes with clutch assembly included, 3.6875 inches in diameter
• 12-volt coil with 1 wire lead for straightforward electrical connection
• O-ring sealed suction and discharge ports for leak prevention
• Tangent mount type with a 30.48 mm mounting distance

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 reliability. The 77484 model maintains essential features such as oil filling, clutch inclusion, and sensor integration to ensure seamless operation in compatible Mitsubishi vehicles.

Detailed Product Description

This Four Seasons A/C compressor (part number 77484) is specifically designed for Mitsubishi Eclipse and Galant models. It uses R134a refrigerant and is pre-filled with PAG 46 oil to maintain proper lubrication and system efficiency. The compressor includes a heat switch and RPM sensor, which help regulate system performance and protect against overheating. The serpentine pulley with six grooves ensures proper belt alignment and power transmission. The clutch assembly is included, featuring a maximum diameter of 3.6875 inches, and the coil operates at 12 volts with a single wire lead for easy installation. Both suction and discharge ports use O-ring seals to prevent refrigerant leaks, and the mounting is tangent style with a 30.48 mm distance from clutch to mounting flange.

Common Issues Addressed by This A/C Compressor

• Loss of cooling due to compressor failure
• Clutch engagement problems affecting A/C operation
• Refrigerant leaks from worn seals or ports
• Overheating caused by faulty heat switch or sensors
• Noise or belt slippage from pulley wear

Installation Notes and Tips

• Ensure compatibility with Mitsubishi Eclipse or Galant before installation
• Use proper tools to avoid damage to the clutch and pulley assembly
• Replace O-rings with the included green O-rings ([24131] and [24679]) to maintain seal integrity
• Verify electrical connections for the heat switch and RPM sensor terminals
• Mounting hardware is not included; reuse existing hardware or source separately

Quality Assurance and Warranty

The Four Seasons Reman Compressor 77484 undergoes rigorous remanufacturing processes to meet OEM standards. Each unit is oil-filled and tested for performance and leak integrity. While specific warranty details are not provided here, Four Seasons typically offers limited warranties on remanufactured compressors to ensure customer confidence and product reliability.