Keep your vehicle's air conditioning system running smoothly with this Peterbilt OEM Low Pressure A/C Switch (Part #652578BSM). This genuine Peterbilt component is specifically designed to monitor and control the refrigerant pressure in your A/C system, helping prevent damage to the compressor. The switch features a durable black finish and robust construction suitable for heavy-duty applications. When the refrigerant pressure falls below the designated threshold, this switch automatically disengages the compressor clutch, protecting your A/C system components. Perfect for maintaining optimal A/C performance in Peterbilt trucks and compatible vehicles, this OEM switch ensures reliable operation and proper system protection. Installing the correct pressure switch is crucial for maintaining your vehicle's air conditioning system, and this genuine Peterbilt part delivers the exact specifications needed for your application.