Four Seasons 39389 A/C Expansion Valve TXV Thermal Expansion Valve

The Four Seasons 39389 is a direct-fit replacement A/C expansion valve (TXV) engineered to restore proper refrigerant flow and cooling performance in your vehicle's air conditioning system. As a critical component of the A/C circuit, the thermostatic expansion valve regulates the flow of refrigerant into the evaporator core, maintaining the correct pressure differential needed for efficient cabin cooling.

Key Features:

• Direct OEM replacement — engineered to match original fit, form, and function
• Aluminum construction for durability and corrosion resistance
• Calibrated to OE superheat and maximum operating pressure (MOP) specifications
• Designed for use with R-134a refrigerant systems
• Tested and validated before leaving the factory for reliable, long-lasting performance

About Four Seasons:

Four Seasons is part of the Standard Motor Products (SMP) Temperature Control Division and is the largest aftermarket mobile climate control parts supplier in the industry. Every expansion valve is assembled, tested, and calibrated to match OE specifications, ensuring a quality replacement you can trust.