Genuine OEM Audi Timing Pulley, part number 038109111E. This critical component is responsible for guiding the timing belt, ensuring precise synchronization of engine components like the crankshaft and camshaft. Accurate timing is vital for optimal engine combustion and performance. Weighing 0.742 kg, this pulley is manufactured from durable materials to withstand continuous engine operation. Choosing a genuine OEM timing pulley guarantees exact tooth profiles, material hardness, and dimensional accuracy for reliable engine timing and longevity.