Genuine OEM Jaguar Transmission Mount Stop Buffer, part number T4N10436. This component is designed to limit excessive movement and absorb shock for the transmission mount, contributing to smoother power delivery and reduced drivetrain vibration. It is positioned on the transmission subframe, adjacent to the main transmission mount. Weighing approximately 0.02 kg, it is likely made from durable rubber or polyurethane. Using a genuine OEM stop buffer ensures the correct material hardness and dimensions, providing optimal vibration damping and preventing premature wear on other drivetrain components.