The OEM Detroit Diesel Nason Oil Pressure Switch 5100722 10 BREAK is a high-quality replacement part designed specifically for Detroit Diesel engines. This switch is essential for monitoring and regulating the oil pressure in the engine, ensuring optimal performance and preventing potential issues. Made by the trusted brand Nason and with the manufacturer part number 5100722, this oil pressure switch is a reliable and durable component for your vehicle's A/C system.