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Customer Questions and Answers for Water Valve by Whirlpool

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Manufacturer Part
4.89 (64)
By: Whirlpool
Part Number: OEM9310407
Manufacturer Part Number: 4318046

The Whirlpool refrigerator dual solenoid icemaker water inlet valve is an OEM replacement part responsible for controlling the water flow to the refrigerator's icemaker. It is typically located at the back of the refrigerator, near the bottom, where the water supply line connects to the refrigerator. The water valve receives signals from the refrigerator's control board to open and close, allowing water to flow into the icemaker.


The Whirlpool water inlet valve can also be used on Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper, and Kenmore/Sears brand appliances.

This part fixes the following symptoms:

  • Failure to make ice or limited ice production
  • Loud or unusual noises coming from the water valve

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Questions & Answers

For Whirlpool Water Valve (Part Number: OEM9310407)

1 Answer

Hello Fred. Yes, based on the information you provided, it sounds like the water valve 4318046 is bad on the unit and will need to be replaced on the unit.

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1 Answer

Hi. look at the fill tube where it hooks into the back of the cabinet . It has to be flush and a tight seal against the cabinet or it will drip moisture build-up and eventually keep freezing the fill tube. Since you say the supply hoses are not kinked and the supply pressure is very strong (at least 30-120 psi.) then the water will fill during ice maker command and not shut off. This water pressure works both ways and needs to fully open the valve as well as hold it completely shut. Flush out the supply hose as you will look into the bucket to See if there is any sediment incoming from the water. If there is any debris,then this is why the water valve keeps partially open and back fills the fill tube. Inspect the fill tube and see if the inner folds are ripped or damaged so it can not seal. Look at the inside of the fill tube / cabinet area. Is there any bulging of the cabinet insulation interferes withe the fill tube configuration as it passes through the cabinet. You should see only white on the inside of the cabinet at the tube circumference. If you see any insulation interference, you need to remove the fill tube and clear out the insulation carefully until it is clear and the fill tube passes smoothly. The fill tube rotates counter clockwise approx. 30° and then pulls out. You will see the inner fill tube seal and the back of the thin metal of the cabinet. All has to be flush as the cabinet cannot be wavy so the sealing cannot take effect. Since you already replaced the water valve, then you need to consider the ice maker part WPW10190965, because it commands the water fill amount. Thank You.

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1 Answer

Hello Bonehead. Check and make sure the fill tube is not partially frozen and is causing the water to come in slowly. It needs to be clear from back to front. Also, make sure the temperature in the freezer is around 0 and is not to cold for the unit to operate properly. Hope this helps.

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1 Answer

Hi Perry. You should get as close to 120vac or the eqivilent of your house voltage. It is sent by the ice maker when commanded and the dispenser switch when commanded. Water valve part # 4318046. Thank You.

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1 Answer

Hello Owen. Yes, if the water valve 4318046 is overflowing the ice maker, you will need to replace the valve. Hope this helps.

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1 Answer

Karen, Are you sure you have the correct part, you did not supply a model number of your fridge to varify. But the solenoid terminals are slightly different in size. the "Green" solenoid, is for the icemaker assembly and will have the smaller wire terminals, and the water supply tube to the ice maker will attach to the threaded fitting under the green solenoid. The "Orange" solenoid, is for the water dispenser and will use the wires with the larger termianals, and the water ube from the water dispenser tank will attach to the threaded fitting under the orange solenoid. If you have more or less than four(4) wires, we have an issue with the water valve you are trying to install. Thanks and Good Luck

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