The Bosch Mass Air Flow Sensor - 0280218270 is a high-quality automotive sensor designed to measure the amount of air entering the engine. It is a crucial component in the engine management system, providing accurate data to control the fuel injection and ignition timing. The sensor uses a hot wire or hot film technology to measure the airflow, and then sends this information to the engine control unit. This allows for precise fuel delivery and efficient combustion, resulting in improved performance and reduced emissions. The Bosch Mass Air Flow Sensor - 0280218270 is a reliable and durable product, making it a popular choice among car manufacturers and mechanics.