Genuine OEM Audi Camshaft Adjuster Unit, part number 022109087K. This unit precisely adjusts the timing of the engine's camshafts, optimizing valve operation for improved performance and fuel efficiency. It is an integral part of the engine's variable valve timing system. Weighing approximately 1.1 kg, this component is built to exact factory specifications. Choosing a genuine OEM camshaft adjuster unit ensures precise calibration and reliable operation, critical for maintaining engine health and performance.