Randy, do yourself a favor and use only a bit of grease to hold on your gasket during assembly. Gasket cement is not needed (it won't leak), and is difficult to scrape off during the next pump replacement. The same is true for the rubber hoses. Silicone is best for the hoses, helps them slide on easier and preserves the rubber. Tip here is to go back and tighten the clamps after the hoses heat up with hot water flow.