Rust Resistance Corrosion Resistance High Strength Good Sturdiness Long Service Time Impeller Puller A Must-Have The impeller plays an important role in engine cooling. When it malfunctions, the engine will overheat. To ensure the proper operation of the engine, checking and replacing the impeller would be a necessary seasonal maintenance task. Our impeller puller is a good choice for you. With this tool, you can easily remove flexible impellers from pumps without damaging the pump. Made of heavy duty stainless steel and high quality plastic. Apply anti seize compound to all threads to prevent wear.