Keeping you Ready for the Road Ahead™, the PrimaTech A/C Expansion Valve is precisely constructed to meet OEM specifications to efficiently provide exact refrigerant flow to the evaporator. Symptoms suggesting your truck’s HVAC system is functioning with a bad expansion valve are A/C is running constantly, frozen unit coils, compressor running continuously, odd noises during A/C operation, and inconsistent vent airflow. The cross charge inside the power element minimizes issues associated with frozen evaporators and poor performance. This heavy duty A/C expansion valve replacement keeps your truck’s refrigerant level consistent in different load situations to conserve energy.

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