Four Seasons 39586 A/C Expansion Valve

The Four Seasons 39586 is a direct-fit replacement A/C expansion valve (also known as a thermostatic expansion valve, or TXV) engineered to restore proper refrigerant flow regulation in automotive air conditioning systems. As a critical component in the A/C circuit, the expansion valve meters liquid refrigerant entering the evaporator core, controlling system pressure and temperature to maintain consistent, efficient cabin cooling.

Key Features:

• Engineered to meet or exceed original equipment manufacturer (OEM) specifications for precise fit, form, and function
• Manufactured by Four Seasons, the largest aftermarket climate control parts supplier in the automotive industry
• Designed and tested by engineers with decades of mobile air conditioning experience
• Optimizes evaporator temperature for consistent, reliable cabin cooling performance
• Quality construction materials ensure long-term durability and leak-free operation
• Includes application-specific O-rings or seals where applicable for a complete installation

Four Seasons has been a trusted name in automotive climate control for over 50 years, supplying OEM-quality A/C components to professional technicians and DIY installers alike. The 39586 expansion valve is sold individually and is the recommended replacement when diagnosing poor A/C cooling, icing of the evaporator, or refrigerant flow irregularities.