Genuine OEM Porsche Hydro-Mounting, part number 971505544. This hydraulic bushing is designed to absorb road shocks and dampen vibrations, providing a smooth ride while maintaining precise control of the suspension arm. It is located in the lower control arm assembly. Genuine OEM hydro-mountings are engineered with specific fluid-filled chambers to provide the exact damping characteristics required for the vehicle's suspension performance and ride comfort.