If you're working with Hitachi excavators, you know how crucial proper sealing is. This oil seal fits multiple Hitachi models including EX120-2, EX120-3, EX120-5, EX100-2, and EX100-3 swing reduction devices. It's also compatible with John Deere 490E equipment, making it a pretty versatile part to have in your inventory. Part number 9111265 for those who need the specific reference. We're talking about the oscillating device reduction area - where you definitely don't want leaks messing with your equipment performance. This isn't some generic knock-off either; it's built to match OEM specifications so you get reliable performance without the dealership price tag. Good news - it's in stock and ready to ship from our US-based warehouse, meaning you won't be waiting weeks for international delivery. Whether you're a equipment manager keeping multiple machines running or an owner-operator doing your own maintenance, having the right seals on hand can save you from costly downtime. Installation's straightforward if you're familiar with heavy equipment repairs - just make sure surfaces are clean and you're using proper lubrication during assembly. Keep your swing gearbox running smooth and leak-free with this quality replacement seal.