Genuine OEM Audi Hydraulic Bearing, part number 4E0199381FK. This hydraulic bearing functions as an engine mount, designed to absorb engine vibrations and provide support. It is positioned on the engine assembly, typically as part of the engine mounting system. Manufactured with specialized hydraulic fluid and seals for effective damping. Genuine OEM hydraulic mounts ensure optimal vibration isolation and engine stability, contributing to a smoother ride.