Samsung DC97-21466A Washer Front Semi Tub Assembly used to provide support for the washing drum and to contain water during washing cycles. It work by firmly clamping the drum and enabling the free rotation that is necessary for cleaning. This assembly also helps in avoiding leakage and increasing the efficiency and durability of the washing machine. This part is used to replace a worn or damaged tub assembly to ensure that it is working as should and to maintain its efficiency.