The Standard Ignition PS-403 Oil Pressure Switch is engineered to monitor and regulate engine oil pressure, a critical function in maintaining optimal engine performance and longevity. This switch is designed to activate the oil pressure warning light when oil pressure falls below a predetermined threshold, alerting operators to potential issues that could lead to engine damage. Constructed with high-quality materials, the PS-403 ensures durability and reliable operation under various engine conditions. Its precise calibration and robust design make it a dependable component for maintaining engine health and preventing costly repairs due to undetected oil pressure problems.