Genuine OEM Audi Engine Timing Chain, part number 06E109465BK. This vital component is responsible for synchronizing the rotation of the crankshaft and camshaft, ensuring precise valve timing for optimal engine combustion and performance. Positioned on the right side of the engine, it is engineered for high durability and minimal stretch. Choosing a genuine OEM timing chain guarantees the correct material strength, link design, and manufacturing tolerances, which are essential for reliable engine operation and preventing catastrophic engine damage.