Genuine OEM Volkswagen Toothed Pulley, part number 05L105263A. This toothed pulley is a critical component within the engine assembly, responsible for engaging with the timing belt or chain to ensure precise synchronization of engine components. It is typically made from durable metal to withstand the stresses of engine operation. Genuine OEM parts are manufactured to exact specifications, ensuring proper fitment and reliable performance in the engine's timing system.