Genuine OEM Audi Timing Chain Tensioner, part number 07P109507B. This part is crucial for maintaining the correct tension on the timing chain, ensuring precise synchronization of the engine's camshaft and crankshaft. It is located within the engine's timing system. The part weighs 0.078 kg and has dimensions of 0.055m x 0.05m x 0.055m. Genuine OEM tensioners are engineered with precise tolerances to prevent chain slack, ensuring optimal engine performance and preventing potential damage.