A-25321-AI Lo Pressure SwitchOne New Aftermarket Replacement Low Pressure Switch Fits Case IH Tractors, Combines, and Harvesters This aftermarket replacement A C low pressure cut out switch protects the air conditioning compressor by monitoring refrigerant pressure on the low side of the system. When pressure drops below the threshold, the switch cuts power to the compressor, preventing damage from low refrigerant or other A C system faults. It is a direct replacement Fits Case