Hydrotech 34201026 Filter Housing Sump O-Ring

The Hydrotech replacement O-Ring 34201026 is the rubber gasket that seals the housing sump to the top for a wide variety of systems from Hydrotech and other brands. You will need one O-Ring for each sump and these gaskets should be replaced once every 3 filter changes. Do you have a slow leak from your sump? Replace the O-Ring to prevent leaks.