Genuine OEM Hyundai Transmission Mount, part number 21830A5400. This vital component is responsible for securely attaching the transmission to the vehicle's chassis or subframe. Its primary function is to support the transmission's weight and absorb vibrations and shocks generated by the drivetrain, preventing them from being transferred to the passenger cabin. Genuine OEM mounts are engineered to factory specifications, ensuring proper alignment, optimal vibration dampening, and long-term durability for the drivetrain.