That’s becuase there isn’t any. The pump has a tongue and the motor shaft has a slot. If your looking for the clamp that holds the pump onto the motor, That would be a 63291-2. It can be found here:
I think pump coupling is very critical in order to all the proper flow of power between motor and pump. They also help to protect bearings. Well, I am Dennis and just lurking around find this. This is the right place to open with you all.
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