Genuine OEM Audi Crankshaft Timing Gear, part number 06A105209B. This gear is mounted on the crankshaft and plays a vital role in synchronizing the engine's timing components, ensuring precise valve and piston movement. It is an integral part of the engine's timing system. Made from durable metal, it weighs approximately 0.093 kg and has a diameter of 0.06 meters. Genuine OEM timing gears ensure exact tooth profiles and material hardness, critical for maintaining accurate engine timing and preventing catastrophic engine damage.