Response to Hello Gary.  Attached please find an exploded parts diagram for the Hayward TriStar SP3200X Series Pump.  Hayward TriStar SP3200X Series Pump   The Hayward part number SP3200A is the Pump Strainer Housing for the TriStar Pump.  When installing part SP3200A the Diffuser O-Ring   Union/Diffuser O-ring - SPX4000Z1  and Housing Gasket should be replaced   Housing O-ring - SPX3200T.

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