The BBR Oil Pressure Switch - 0034015563 is a small, electronic device used in automotive engines to monitor the oil pressure and send signals to the engine control unit. It is designed to detect any changes in oil pressure and alert the driver if the pressure drops below a safe level. This switch is made from high-quality materials and is compatible with a wide range of vehicles. It is easy to install and helps to maintain the proper functioning of the engine by ensuring that the oil pressure is at the correct level.