Genuine OEM Volkswagen Chain Sprocket, part number 03H109570N. This sprocket is a critical component in the engine's timing system, responsible for engaging with the timing chain to maintain the precise synchronization between the camshaft and crankshaft. It is located within the engine's timing assembly. Constructed from high-quality metal, this sprocket is designed for durability and optimal performance. Genuine OEM parts are essential for timing components to ensure exact tolerances and reliable operation, preventing potential engine damage.