Hello. I am trying to replace the motor on my Whisperflo WF-4 pump. The orginal motor is badly rusted and corroded. I have 2 bolts attached to the seal plate that will not come off and I have another part that the electrical wire runs through to go into the motor that will also not come off. First question is other than something like WD-40 which I have already tried do you know of anything that will unstick these 3 things? If not, then I would need to get a new seal plate (which I know you sell) but I would also need that electrical connector and I cannot find the replacement part anywhere. It screws in to the back of the motor near where the electrical connections are and the electric wire sheath has a screw in cap that then connects the sheath to this piece that seals everything up. Any idea what that's called or where I can find it?