The Meyle Knock Sensor - 1148110002 is a component used in automotive engines to detect abnormal combustion or engine knocking. It is responsible for sending signals to the engine control unit, which then adjusts the ignition timing to prevent engine damage. This knock sensor is designed and manufactured by Meyle, a trusted brand in the automotive industry. It is a high-quality, reliable and durable product that helps to ensure the smooth and efficient operation of the engine.