Pentair PacFab Challenger High Pressure Pump Volute (355468) kempusa This part has practical value This part has practical value because replacing a compromised chassis can restore the proper foundation of the cleaner without forcing replacement of every attached component Larger fittings like this benefit from using the correct adapter instead of trying to patch the connection together with multiple unrelated parts A volute like this is useful because it forms a major portion of the wet end housing and helps direct water toward the discharge path during operation Fits compatible high pressure Challenger pump applications