The Bosch 0280218376 Mass Air Flow Sensor is a genuine OEM part designed for Audi A3, A6, TT, and Seat Leon vehicles. This sensor, a direct fit and easy to install, measures the mass airflow of air into the engine compartment. It comes calibrated and is a left-hand placement sensor, ensuring accurate readings for optimal fuel delivery and performance. With its brand reputation and precise fit, this Bosch Mass Air Flow Sensor guarantees quality and dependability for your vehicle's air intake system.when purchase always leave registration number.