The product is a used OEM rear drive shaft specifically designed for a 2000-2006 Toyota Tundra 4WD with a 4.7 engine. It has a diameter of 3.5 inches and is manufactured with the part number 986-130. This drive shaft is not universal fitment and is suitable only for automatic transmission vehicles. Perfect for those looking for a genuine OEM replacement part for their Toyota Tundra, ensuring quality and compatibility with the specified vehicle model.