The Delphi Porsche Oxygen Sensor - ES10406 is a high-quality sensor designed specifically for Porsche vehicles. It is used to measure the amount of oxygen in the exhaust gas of the engine, providing crucial feedback to the engine control unit for optimal fuel-to-air ratio. This sensor is made with precision and durability in mind, ensuring accurate readings and long-lasting performance. It is a direct replacement for the original sensor and is compatible with various Porsche models. Improve your vehicle's fuel efficiency and reduce harmful emissions with the Delphi Porsche Oxygen Sensor - ES10406.