Browse Subaru Impreza Wheel Hub Oil Seal. Replace Subaru Impreza Sealed Bearing Hubs Size & Subaru Impreza Wheel Hub Seals. Maintaining the wheel bearing seals of your Subaru Impreza is pivotal for a smooth ride and long-term durability. Regularly inspecting these seals for signs of wear, such as grease leaks and odd noises during turns, can indicate a need for replacement. To extend their lifespan, ensure you're using high-quality seals made of robust materials designed to withstand harsh road conditions. When choosing the right type, consider the model and year of your Impreza, opting for either integrated seals for newer versions or the classic multi-piece sets for older models. For a secure installation, always follow the manufacturer's guidelines, and consider leveraging the expertise of a professional to guarantee optimal performance.