Genuine OEM Audi Timing Belt, part number 06B109119A. This crucial engine component is responsible for synchronizing the rotation of the engine's crankshaft and camshaft, ensuring precise valve timing for optimal combustion. It is an integral part of the engine's internal operation. Weighing approximately 0.231 kg, this belt is engineered for durability and exact fitment. Choosing a genuine OEM timing belt guarantees the correct material composition, tooth profile, and tensioning characteristics, which are vital for reliable engine operation and preventing catastrophic engine damage.