Four Seasons 39456 A/C Block Type Expansion Valve

The Four Seasons 39456 is a block type air conditioning expansion valve designed to regulate refrigerant flow in automotive A/C systems. This precision-engineered component controls the amount of refrigerant entering the evaporator, ensuring optimal cooling performance and system efficiency.

Key Features:

• Block type expansion valve design without solenoid
• Engineered to meet or exceed OEM specifications for fit, form, and function
• Constructed with quality materials for long-lasting performance
• Includes application-specific O-rings, gaskets, and seals for proper installation
• Backed by over 50 years of Four Seasons mobile A/C experience
• Precision calibrated for tonnage, superheat, and maximum operating pressure (MOP)

Each Four Seasons expansion valve is uniquely specified for the vehicle's A/C system requirements, helping prevent performance issues caused by misapplied or inferior quality valves. The valve utilizes high-quality components tested to provide years of trouble-free operation, ensuring you fix it once and fix it right.