Four Seasons 39618 A/C Expansion Valve

The Four Seasons 39618 is a precision-engineered A/C expansion valve designed to regulate refrigerant flow in automotive air conditioning systems. This thermostatic expansion valve (TXV) controls the amount of refrigerant entering the evaporator, maintaining optimal system performance and cooling efficiency.

Key Features:

• Engineered to meet or exceed OEM specifications for reliable performance
• Precision-calibrated for proper superheat and maximum operating pressure settings
• Manufactured by Four Seasons, a leading supplier of mobile climate control components
• Built with quality materials for long service life
• Backed by manufacturer warranty

The expansion valve plays a critical role in A/C system operation by metering refrigerant flow based on evaporator temperature and pressure conditions. A properly functioning expansion valve ensures efficient cooling, prevents compressor damage from liquid slugging, and maintains consistent cabin comfort. Four Seasons expansion valves are designed for reliable performance across all operating conditions.