Genuine OEM Audi Engine Camshaft Adjuster Unit, part number 06E109084K. This crucial engine component is responsible for precisely adjusting the camshaft timing, which allows the engine's valve operation to be optimized across various RPMs and loads. It is integrated into the engine's valvetrain, typically at the end of the camshaft. Weighing approximately 0.84 kg, this unit is engineered for high precision and durability. Opting for a genuine OEM camshaft adjuster ensures correct calibration and seamless integration with the engine's control unit, maintaining factory performance and fuel efficiency.