The Pierburg Manifold Differential Pressure Sensor - 711190120 is a component used in automotive engines to measure the difference in pressure between the intake manifold and the atmosphere. This sensor is responsible for providing the engine control unit with accurate readings of the air pressure, which is crucial for proper fuel delivery and engine performance. The sensor is designed to withstand high temperatures and is made with durable materials to ensure long-lasting functionality. It is a vital part of the engine management system and plays a crucial role in maintaining the engine's efficiency and emissions.