ACDelco GM Original Equipment D1843A Engine Oil Pressure Switch;

An ACDelco GM Original Equipment Engine Oil Pressure Switch is a GM-recommended replacement for your vehicle's original component. When your vehicle is low on oil, the engine oil pressure switch lights up an indicator inside of your vehicle to notify you that your vehicle is low on oil. This original equipment engine oil pressure switch has been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.