Genuine OEM Audi Engine Timing Sprocket, part number 06E109570H. This sprocket is a critical component in the engine's timing system, engaging with the timing chain to synchronize the rotation of the crankshaft and camshafts. It is located within the engine's timing chain assembly. Weighing 0.144 kg, this sprocket is manufactured to exact tolerances for smooth operation and durability. Choosing a genuine OEM timing sprocket ensures precise tooth profiles and material hardness, which is essential for accurate valve timing and the overall reliability of the engine.