This is the actual Pump Shaft Seal that goes under the motor on the Pump Shaft. Genuine Meyer part 15686. It is installed from the inside, so the side cover needs to come off. It would be best to buy a Basic Seal Kit (insludes a Pump Shaft Seal) so you can clean the unit out if you have a need to change the seal its is time for a good cleaning. Click on Related tab for E-60 Basic Seal Kit and other options.