Genuine OEM Audi Balancer Shaft, part number 057105225G. This precision-engineered shaft is an essential component within the engine, designed to counteract inherent engine vibrations and rotational imbalances. It is typically located within the engine block, contributing significantly to smoother engine operation and enhanced driving comfort. Weighing approximately 1.004 kg, this metal shaft is manufactured to exact factory tolerances. Genuine OEM balancer shafts ensure precise balance and durability, critical for preventing excessive wear on other engine components and maintaining the intended vibration-free service life.