Four Seasons 77402 A/C Compressor

Overview of Four Seasons Reman Compressor 77402

The Four Seasons Reman Compressor 77402 is a remanufactured A/C compressor designed specifically for select Mitsubishi vehicles. Engineered to work with R134a refrigerant and compatible with Pag 46 refrigerant oil, this compressor ensures reliable air conditioning performance for Mitsubishi Eclipse, Galant, and Montero Sport models.

• Compatible Refrigerant: R134a
• Refrigerant Oil Type: Pag 46
• Compressor Type: MSC90C
• Coil Voltage: 12V with 1 wire lead
• Pulley Groove Quantity: 4, designed for serpentine belts
• Includes clutch and heat switch
• Mounting Type: Tangent mount with 68.58 mm mount distance
• Discharge and suction ports use O-ring seals
• Pin terminal type for electrical connection
• Oil filled and ready for installation

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 77402 model maintains essential features such as the included clutch and heat switch, ensuring compatibility and functionality for Mitsubishi vehicles requiring the MSC90C compressor type.

Detailed Product Description

This Four Seasons Reman Compressor 77402 is designed for Mitsubishi vehicles including the Eclipse, Galant, and Montero Sport. It operates with R134a refrigerant and is compatible with Pag 46 oil, which is included in the unit. The compressor features a 12-volt coil with a single wire lead and a heat switch to regulate operation. The pulley system includes four grooves suitable for serpentine belts, with a pulley diameter of approximately 96.85 mm and clutch diameter of 3.8125 inches. The tangent mount design with a 68.58 mm mount distance ensures proper fitment. Both discharge and suction ports utilize O-ring seals for leak prevention, with green O-rings included for installation. The unit comes oil filled and includes the clutch assembly, but mounting hardware is not included.

Common Applications and Issues Addressed

• Replacement for failed or leaking A/C compressors in Mitsubishi Eclipse, Galant, and Montero Sport
• Restores proper air conditioning cooling performance
• Resolves clutch engagement problems due to worn or damaged clutch assemblies
• Fixes refrigerant leaks caused by faulty seals or ports
• Addresses compressor noise or failure from internal wear

Installation Notes and Tips

• Ensure compatibility with Mitsubishi model and year before installation
• Use the included green O-rings ([24131] and [24679]) to maintain proper sealing
• Verify the serpentine belt condition and pulley alignment during installation
• Check electrical connections for the pin terminal and heat switch wiring
• Mounting hardware is not included; reuse existing hardware or source separately

Quality Assurance and Warranty

The Four Seasons Reman Compressor 77402 undergoes thorough remanufacturing processes to meet OEM specifications. It is oil filled and tested for proper operation before shipment. While specific warranty details are not provided here, Four Seasons typically offers limited warranties on remanufactured compressors to cover defects in materials and workmanship. Consult product documentation or supplier for exact warranty terms.