Genuine OEM Volkswagen Impulse Rotor, part number 0XW105334A. This component is essential for engine management, as it generates a signal transmitted to the engine control unit (ECU) to enable precise ignition timing. It is located on the camshaft assembly. The impulse rotor has a diameter of approximately 5.5 cm and a height of 1.5 cm. Genuine OEM impulse rotors are manufactured to exact specifications for accurate signal generation, ensuring optimal engine performance and efficiency.