Model #390251880 CRAFTSMAN Pump

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What part do I order to repair the 3/4 hydroglass shallow well jet pump 390251880 Craftsman Pump


Thanks for the inquiry and for being a valued member.

The difference between key number 17 on the diagram are the models and HP ratings of the shallow well pumps. Based upon your model and it being a 3/4 HP pump, you would need key number 17B. I would definitely recommend replacing the O-ring while making the repair on the pump body. The part number for the body you need is N176-28PC, and the updated part number for the O-ring is U9-399.

I hope this helps and thanks for using We appreciate your business. 

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Jeff Wallace Sr -
Sears Technician
November 15, 2014

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