Genuine OEM Audi Turbocharger Vacuum Unit Repair Set, part number 03N198716N. This repair kit is designed to restore the functionality of the vacuum unit, often referred to as the wastegate actuator, which is an integral part of the turbocharger assembly. The vacuum unit controls the wastegate, regulating exhaust gas flow to the turbine and thereby managing boost pressure. Weighing 0.597 kg with dimensions of 0.25m x 0.09m x 0.07m, this set contains the necessary components for a precise repair. Using a genuine OEM repair set ensures proper boost control, maintains engine performance, and extends the life of the turbocharger system by restoring factory specifications.