Four Seasons 16778 A/C Expansion Valve

The Four Seasons 16778 A/C expansion valve is a precision-engineered component designed to regulate refrigerant flow in automotive air conditioning systems. This thermostatic expansion valve (TXV) controls the amount of refrigerant entering the evaporator while creating the necessary pressure drop to lower refrigerant temperature for optimal cooling performance.

Key Features:

• Precision-calibrated for proper refrigerant flow and system efficiency
• Engineered to meet or exceed OEM specifications for fit, form, and function
• Quality construction using durable materials for long-lasting performance
• Tested and validated to ensure reliable operation
• Direct replacement for original equipment expansion valve

Four Seasons is the largest aftermarket mobile climate control parts supplier in the industry, with over 45 years of experience in automotive air conditioning. Each expansion valve is specifically designed with unique specifications for tonnage, superheat, and maximum operating pressure based on the specific A/C system requirements. Proper expansion valve function is critical to maintaining your vehicle's air conditioning performance and preventing system issues.