Model #390303500 CRAFTSMAN Sump pump

  • 3 H.p. Submersible Sump Pump
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Question and Answers


Type of Oil 390303500 Craftsman Sump pump


Thank you for choosing Sears Parts Direct. I can certainly assist you. I did look into the model number you have provided and I do apologize I was not able to locate any information on what type of oil goes in the motor housing of your sump pump. I do aplologize due to the age of the unit we do not have access to the product information. After 5-10 years the manufacture stops selling parts and giving information on certain units.  I was able to locate a similar model manual, but it does not state the oil. 

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I would recommend a techician to find the specifications of your unit.

You can also visit for parts, diagrams, and repair information.
If you do not feel confident repairing this problem yourself, then you can have it repaired at your home by a Sears technician. Here is a link for the website: Sears Home Services .

Thank you for  your question. Have a great day. 

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Natasha12 -
Sears Technician
June 12, 2014