Genuine OEM Audi Camshaft Timing Chain, part number 06E109465AT. This critical component synchronizes the rotation of the camshafts with the crankshaft, ensuring precise valve timing for optimal engine combustion and performance. This specific chain is for the left side of the engine. Weighing 0.377 kg, it is manufactured to exact specifications for durability and reliable operation. Choosing a genuine OEM timing chain ensures correct tensioner interaction, proper material strength, and factory-specified service life, preventing catastrophic engine damage from timing failures.