The Pentair 33455-8044 impeller-to-shaft gasket is designed for compatible pump repair applications where the sealing part at that internal connection needs replacement. A gasket like this is useful because it helps support the intended fit between related internal parts during pump service and reassembly.This type of replacement is often needed when the original gasket has been damaged, distorted, or worn beyond confidence during teardown. Installing the correct Pentair gasket can help improve the quality of the rebuild and support a more complete internal repair.This OEM internal gasket is a practical service component for compatible Pentair pump assemblies that need the right sealing part between the impeller and shaft area. OEM Pentair internal pump gasket Designed for the impeller-to-shaft interface Helps support proper internal fit and sealing Useful when the original gasket is damaged or worn Supports cleaner and more dependable reassembly