Four Seasons 39457 A/C Block Type Expansion Valve

The Four Seasons 39457 is a block-type air conditioning expansion valve designed to regulate refrigerant flow in automotive A/C systems. This valve controls the amount of refrigerant entering the evaporator, ensuring optimal cooling performance and cabin comfort. Unlike some models, this expansion valve does not include a solenoid.

Key Features:

• Block-type configuration for precise refrigerant metering
• Engineered to meet or exceed OE fit, form, and function requirements
• Calibrated for specific tonnage, superheat, and maximum operating pressure (MOP)
• High-quality components for long-lasting performance
• Includes application-specific O-rings, gaskets, and seals for easy installation

Four Seasons expansion valves undergo rigorous testing and validation to ensure reliable operation. Each thermostatic expansion valve (TXV) is precision-calibrated to match specific system requirements, preventing A/C performance issues that can result from misapplied or low-quality valves. Manufactured by one of the industry's largest aftermarket mobile climate control suppliers, this expansion valve delivers professional-grade quality for your air conditioning system repair or maintenance needs.