Four Seasons 39063 A/C Expansion Valve

Four Seasons 39063 Expansion Valve Overview

The Four Seasons 39063 expansion valve is a block-type A/C flow restrictor built for R134A systems and engineered to meet or exceed OEM specifications. It is designed for Mitsubishi Lancer and Mitsubishi Outlander applications that require precise refrigerant metering and stable evaporator performance.

Four Seasons Expansion Valve line components are built for direct-fit HVAC service, with the valve body, port sizing, and O-ring style connections matched to the application. This Four Seasons 39063 part number is a practical choice for restoring proper A/C refrigerant control in Mitsubishi Lancer and Outlander models.

Key Features

• Block-type A/C expansion valve for R134A refrigerant systems
• Aluminum construction with aluminum finish
• Female suction and liquid connections with insert O-ring fittings
• Meets or exceeds OEM requirements
• Designed without solenoid
• Super heat setting: 7.5
• Mounting hole quantity: 2
• Direct replacement part number: 39063

Detailed Description

The Four Seasons 39063 expansion valve regulates refrigerant flow into the evaporator so the A/C system can maintain proper cooling performance and pressure balance. Its block-style design, No. 10 suction inlet and outlet sizing, and No. 6 liquid inlet with No. 8 liquid outlet configuration support the factory-style layout used in the listed Mitsubishi applications. This part number 39063 is a direct-fit service component for 2002-2006 Mitsubishi Lancer and 2003-2006 Mitsubishi Outlander HVAC repairs.

Fits 2002-2006 Mitsubishi Lancer, N/A. Fits 2003-2006 Mitsubishi Outlander, N/A. This part cross-references UAC EX10097C for the same application.

Common Repair Symptoms

• Weak or inconsistent cabin cooling
• Evaporator icing or unstable vent temperatures
• Incorrect refrigerant metering through the A/C system
• Compressor cycling caused by flow control issues
• HVAC performance loss after expansion valve wear or contamination

Installation Notes and Tips

Verify the system is set up for R134A before installation. Inspect the mating surfaces, replace damaged seals as needed, and confirm the liquid and suction port orientation matches the vehicle layout. Proper evacuation and recharge procedures are important after A/C service to help the system operate correctly. Confirm fitment by year, make, and model before ordering the Four Seasons 39063 expansion valve.

Quality Assurance

This Four Seasons Expansion Valve part is built to meet or exceed OEM specifications for the listed Mitsubishi applications. The aluminum construction and application-specific port design support consistent service replacement for Mitsubishi Lancer and Mitsubishi Outlander HVAC repairs.