Response to Hello Bill.  The Century 2.0 HP Round Flange 56J Up Rate Motor - UST1202 is a compatible replacement motor for the Hayward motor K48M2N111.  The rated total horsepower of the 2 motors is almost identical, no impeller change is required.  The Tune Up Kit Hayward Super Pump - GOKIT3 contains the necessary seals and gaskets to complete the motor change.

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