Genuine OEM Volkswagen Vacuum Pump Retainer, part number 1S0612591A. This retainer fastens the vacuum pump to its designated position, preventing movement and ensuring reliable vacuum generation. It is located in the vacuum pump assembly. The retainer has dimensions of 0.127m x 0.082m x 0.025m. Genuine OEM retainers are manufactured to precise specifications to ensure secure mounting and prevent vibration or movement of the vacuum pump.