Genuine OEM Volkswagen Vacuum Pump Retainer, part number 1S0612591. This retainer secures the vacuum pump to its mounting location, ensuring it remains stable during operation. It is located in the vacuum pump assembly. The retainer has dimensions of 0.185m x 0.2m x 0.1m. Genuine OEM retainers are manufactured to precise specifications to ensure secure mounting and prevent vibration or movement of the vacuum pump.