Response to Hello Jim.  The compatible motor replacement is either the Century Motors 1.5 HP Up Rate Motor model UST1152 or the Century Motors 1.0 HP Full Rate motor model ST1102.   It is recommended that the motor shaft seal, seal plate gasket, and diffuser be replaced at the same time.  The GOKIT14 contains the parts required to complete this project.  Tune Up Kit Carvin/Jacuzzi Magnum Series - GOKIT14  Century 1.5 HP Round Flange 56J Up Rate Motor - UST1152  Century 1.0 HP Round Flange 56J Full Rate Motor - ST1102   Attached please find an exploded parts diagram for the Jacuzzi Magnum pump.  Jacuzzi Magnum

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