Genuine OEM Audi Left Camshaft Timing Chain, part number 079109229K. This critical engine component is responsible for synchronizing the rotation of the camshafts with the crankshaft, ensuring precise valve timing for optimal engine performance and efficiency. It is located within the engine's timing system on the left side. Weighing 0.379 kg, this chain is manufactured from high-strength steel for durability and resistance to wear. Using a genuine OEM timing chain ensures exact pitch and link integrity, which is crucial for maintaining accurate engine timing and preventing catastrophic engine damage.