Genuine OEM SEAT Engine Upper Timing Sprocket, part number 03C109571K. This essential engine component is part of the timing system, responsible for synchronizing the movement of engine valves and pistons. It ensures precise engine timing, which is crucial for optimal combustion and engine performance. Made from high-strength metal, this sprocket weighs approximately 0.248 kg and has a diameter of about 9.3 cm. Using a genuine OEM timing sprocket guarantees exact tooth profiles and material hardness, preventing premature wear and maintaining critical engine synchronization for long-term reliability.