The Standard PS11 Oil Pressure Switch is a vintage part designed for use in engines. It is interchangeable with part number 29-60 and manufactured under both part numbers PS11 and PS-11. This oil pressure switch is a crucial component in monitoring and regulating oil pressure within an engine, ensuring proper lubrication and performance. The brand Standard is known for producing quality automotive parts, making this switch a reliable choice for maintaining the functionality of a vehicle's engine.