Genuine OEM Volkswagen Impulse Sender, part number 030907601G. This sensor, also known as a crankshaft position sensor, detects the rotational speed of the engine's crankshaft and sends this information to the engine control unit (ECU). It is typically mounted on the engine block. Constructed with high-quality materials for reliable signal transmission. Genuine OEM sensors are calibrated to precise specifications, ensuring accurate engine timing and performance.