Four Seasons 78492 A/C Compressor

Overview of Four Seasons New Compressor 78492

The Four Seasons New Compressor 78492 is designed specifically for Mitsubishi vehicles, including the Lancer and Mirage models. This A/C compressor is engineered to work with R134a refrigerant and includes essential components for reliable HVAC system performance.

• Compatible with Mitsubishi Lancer and Mirage models
• Designed for R134a refrigerant systems
• Includes clutch and oil for immediate installation
• Features a 6-groove serpentine pulley
• Heat switch type with included heat sensor
• 12-volt coil with 1 wire lead
• O-ring sealed suction and discharge ports
• Tangent mount style for secure installation

Detailed Product Features and Specifications

The Four Seasons New Compressor 78492 is a new, direct replacement A/C compressor built to meet the specifications of Mitsubishi Lancer and Mirage vehicles. It uses R134a refrigerant and is compatible with PAG 46 refrigerant oil, which is included in the unit. The compressor features a 6-groove serpentine pulley with a diameter of 114.3 mm (4.5 inches), designed for efficient belt engagement. The clutch assembly, also included, has a maximum diameter of 4.5 inches and is controlled by a 12-volt coil with a single wire lead positioned at the coil clock position.

This compressor uses a heat switch type sensor to regulate operation and includes the heat sensor switch for proper system function. The mounting style is tangent mount with a precise distance from clutch to mounting flange of approximately 1.17 inches (29.7 mm), ensuring proper fitment. Both suction and discharge ports are sealed with green O-rings (part numbers 24131 and 24679) to prevent leaks and maintain system integrity.

Four Seasons New Compressor Product Line

The Four Seasons New Compressor line offers brand-new, factory-quality A/C compressors designed to meet or exceed OEM specifications. This product line focuses on providing reliable, ready-to-install compressors that include necessary components such as clutches, oil, and switches. The New Compressor 78492 is part of this line, ensuring compatibility and performance for Mitsubishi Lancer and Mirage HVAC systems.

Common Applications and Issues Addressed

• Replacement for failing or noisy A/C compressors in Mitsubishi Lancer and Mirage
• Restores proper refrigerant flow and pressure in R134a systems
• Resolves clutch engagement problems with included clutch assembly
• Fixes refrigerant leaks with included O-rings on suction and discharge ports
• Improves overall air conditioning performance and cooling efficiency

Installation Notes and Tips

• Ensure system is evacuated and flushed before installation to prevent contamination
• Use PAG 46 refrigerant oil as specified for optimal lubrication
• Verify clutch alignment and pulley groove compatibility with serpentine belt
• Check heat switch wiring and connections for proper sensor operation
• Mount compressor using tangent mount points and torque to manufacturer specifications

Quality Assurance and Warranty

The Four Seasons New Compressor 78492 is a new, factory-quality replacement part designed to meet OEM standards. It includes all necessary components such as clutch, oil, and heat sensor switch to ensure proper function. While mounting hardware is not included, the compressor is engineered for direct fitment on compatible Mitsubishi Lancer and Mirage models. Warranty coverage details should be confirmed with the product documentation or supplier.