Four Seasons 39059 A/C Expansion Valve - Front

Four Seasons 39059 Expansion Valve

The Four Seasons 39059 A/C expansion valve is a TXV-style refrigerant control component for R134A systems. It regulates refrigerant flow into the evaporator to help maintain proper superheat and stable cabin cooling performance in Mitsubishi applications.

Key Features

• Four Seasons Expansion Valve line
• Part number 39059
• TXV design for R134A air conditioning systems
• Brass construction
• Super heat setting: 6.0
• Direct-fit service part for select Mitsubishi HVAC systems

Product Details

Four Seasons 39059 is an A/C expansion valve built for Mitsubishi Montero Sport, Mitsubishi Montero, Mitsubishi Mirage, and Mitsubishi Mighty Max applications listed below. As a thermostatic expansion valve, it meters refrigerant into the evaporator based on system demand, helping the HVAC system maintain consistent cooling and proper refrigerant control. This part cross-references UAC EX10042C for the same application.

The Four Seasons Expansion Valve product line focuses on replacement HVAC flow-control components for service work where accurate refrigerant metering matters. For technicians servicing a Mitsubishi Montero Sport expansion valve replacement or a Mitsubishi Mirage A/C expansion valve repair, this part number 39059 provides the specified R134A TXV configuration.

What It Helps Address

• Warm air from the vents caused by restricted refrigerant flow
• Erratic evaporator performance from a worn TXV
• Improper superheat control in an R134A system
• Cooling loss related to a sticking or leaking expansion valve
• HVAC performance issues on Mitsubishi Montero Sport, Mirage, Montero, and Mighty Max models

Installation Notes

• Verify refrigerant type before installation; this valve is specified for R134A systems.
• Confirm the vehicle application and position before ordering: Fits 2004 Mitsubishi Montero Sport, Front; Fits 2000-2003 Mitsubishi Montero Sport; Fits 1995-2002 Mitsubishi Mirage; Fits 2001-2002 Mitsubishi Montero, Front; Fits 1993-1996 Mitsubishi Mighty Max.
• Inspect the A/C system for contamination, leaks, and proper charge level during service.
• Follow OEM service procedures for evacuation, replacement, and recharge.

Quality Assurance

Four Seasons supplies HVAC replacement components for automotive air conditioning service, and this expansion valve is built to the listed brass, TXV, and superheat specifications for the confirmed applications.