Genuine OEM Audi Timing Chain Tensioner, part number 07K109467J. This vital engine component is responsible for maintaining the correct tension on the engine timing chain, which is crucial for synchronizing the camshafts and crankshaft. It is located within the engine's timing assembly. Weighing 0.177 kg, this mechanical assembly ensures smooth and reliable operation. Opting for a genuine OEM timing chain tensioner guarantees factory-specified spring rates, material durability, and precise fitment, preventing premature wear and potential engine damage due to incorrect chain tension.