Four Seasons 78494 A/C Compressor

Reliable A/C Compressor for Mitsubishi Lancer and Outlander

The Four Seasons New Compressor 78494 is designed to restore efficient air conditioning performance in Mitsubishi Lancer and Outlander models. Engineered for compatibility with R134a refrigerant, this A/C compressor ensures proper cooling and system reliability.

• Compatible with Mitsubishi Lancer and Outlander vehicles
• Designed for R134a refrigerant and Pag 46 oil
• Includes clutch and heat sensor switch for optimal operation
• Features a 6-groove serpentine pulley with 12V coil voltage
• Equipped with O-ring type suction and discharge ports

Four Seasons New Compressor Product Line

The Four Seasons New Compressor line offers brand-new, direct replacement compressors engineered to meet original equipment specifications. This product line focuses on delivering reliable performance and durability, with included components such as the clutch and heat sensor switch to simplify installation and ensure system compatibility.

Detailed Product Features and Specifications

This Four Seasons A/C compressor (part number 78494) is a MSC105C type compressor designed specifically for Mitsubishi vehicles using R134a refrigerant. It comes pre-filled with compatible Pag 46 oil and includes a heat switch sensor to monitor system temperature. The compressor features a 6-groove serpentine pulley with a diameter of approximately 4.125 inches (104.775 mm), and a tangent mount type with a mounting distance of 29.464 mm. The clutch assembly is included, with a maximum diameter of 4.125 inches and a coil clock position with a single wire lead. Both suction and discharge ports use O-ring seals, with green O-rings included for proper sealing. The terminal type is pin style, designed for secure electrical connections.

Common Applications and Issues Addressed

• Restores A/C cooling performance in Mitsubishi Lancer and Outlander models
• Replaces faulty or worn compressors causing insufficient cooling
• Solves clutch engagement problems with included clutch assembly
• Addresses refrigerant leaks with new O-ring seals
• Eliminates electrical issues related to coil or heat sensor failure

Installation Notes and Tips

Installation requires removal of the old compressor and proper handling of refrigerant according to environmental regulations. Note that mounting hardware is not included and must be reused or purchased separately. Ensure the system is evacuated and recharged with R134a refrigerant and compatible Pag 46 oil. Verify electrical connections match the pin terminal type and confirm the heat switch sensor is properly connected for accurate temperature monitoring.

Quality Assurance and Warranty

The Four Seasons New Compressor 78494 is a new, direct replacement part manufactured to meet OEM standards. It includes essential components such as the clutch and heat sensor switch to ensure reliable operation. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship.