craftsman-U9-399-Pump Housing O-Ring
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Pump Housing O-Ring U9-399

Part #U9-399

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Part Information

This housing O-ring (part number U9-399) is for pumps.

Housing O-ring U9-399 prevents leaks between the front and rear pump body.

Disconnect electrical power to the pump before installing this part. Wear work gloves to protect your hands.


Part Number



Plumbing and Heating


0.8 lbs


0.6" x 0.6" x 0.6"

Technician facts

  • Installations last year: 201
  • Average installation time: 77 minutes
  • Level of repair difficulty: