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Model numbers can be made up of numbers (1005400, for example) or a combination of letters and numbers (LAT1000AAE). The model number will most likely appear on either a paper sticker or a metal plate. Your appliance's model number tag may look similar to the sample model number tags shown here (model number highlighted in yellow):
This lower spray arm is an authentic OEM part that is compatible with dishwashers. It is found at the bottom of the dishwasher where it is attached to a rotating mechanism. When the dishwasher is in operation, water is pumped through the spray arm, which rotates to distribute this water through the dishwasher. This rotation ensures that water reaches all areas of the dishwasher tub for a thorough cleaning. If the spray arm is faulty, you may notice that some of your dishes are still dirty at the end of the cycle or you may hear unusual rattling noises while the dishwasher is running. The spray arm will need to be replaced if it can no longer function properly.
How Buying OEM Parts Can Save You Time and Money
Why buy the real thing?
OEM stands for Original Equipment Manufacturer. Simply put, this means that the company who made your appliance is also supplying the replacement part for it.
Replacing your Whirlpool Dishwasher Lower Spray Arm
Troubleshooting
This part fixes the following symptoms:
Leaking | Not cleaning dishes properly
This part works with the following products:
Dishwasher.
Part# W10837249 replaces these:
AP5988717, W10629546, W10838302
Customer Reviews
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★★★★★
★★★★★
Rick B - January 8, 2022
Verified Purchase
arrived on time and is correct part
dishwasher appeared to be suffering from "sloshing" leak, but unable to 100% verify even with visual inspection of the old arm. New arm, no leak.
★★★★★
★★★★★
Cody S - January 14, 2020
Verified Purchase
Great part
Great condition, made my life easier, now my dishwasher works again!!!! Shipping was slower than expected.
★★★★★
★★★★★
Tim W - June 10, 2021
Verified Purchase
Easy repair
The part was exactly what I needed. The only issue I had was nothing to do with easyapplianceparts just waiting for things to get off back order because of covid.
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Customer Repair Stories
Average Repair Rating: 5.0 / 5.0, 5 reviews.
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Dishwasher was leaking a lot, 1-2 cups of water
Changed the seal first, very easy, no tools needed either. Helped a little, but still leaking a lot. Changed the lower spray arm and that did it. The video I watched before changing the seal helped a lot, definitely do that first.
Douglas from BELFORD, NJ
Difficulty Level:
Very Easy
Total Repair Time:
Less than 15 mins
1 personfound this instruction helpful.
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Dishes were not getting cleaned and water was coming out the bottom of the door
The top and bottom parts of the lower wash arm were separating. This caused water to spray out the ends of the wash arm and come out the front of the dishwasher. In addition this water was not spraying upward resulting in dishes not getting cleaned. Took me a while to figure this out but the repair was simple.
Lower spray arm had a small seam split forcing waves of water against the lower door causing water to leak out the door bottom.
After replacing the door seal and the dishwasher still leaked a lot of water out the bottom of the door, I read posts by a couple of other DIY who said the lower spray arm can split at the seam and cause this. One post noted it is very difficult to determine if this is the problem, that you may have to take the blade of a screwdriver and
... Read more try to pry the seam apart gently to see if a gap does appear with very little force being applied. If so, then just imagine what happens when that very hot water makes that plastic more flexible and then the seam opens and forces waves of water against the lower door. I could see a small seam split using that strategy and when I replaced the spray arm, my leak stopped. I don't regret replacing the door seal as it had a couple of small tears and hard water deposits all over it, so it was time to do that even though it was not the culprit for the extensive leak. The arm is SO EASY to replace, just twist the plastic nut under it and it pops right off. Put the new one on and twist the nut the other way and it secures it.
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Cameron from DEFIANCE, OH
Difficulty Level:
Very Easy
Total Repair Time:
Less than 15 mins
2 of 2 peoplefound this instruction helpful.
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Poor to no cleaning lower basket
lower wash arm cracked by spinning into items hanging out of bottom of basket. part twists and snaps right in. glue did not fix.
jeffrey from HOUSTON, TX
Difficulty Level:
Really Easy
Total Repair Time:
Less than 15 mins
2 of 2 peoplefound this instruction helpful.
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Water coming out both sides of the bottom of the door.
Replaced Arm spray... Turn it left and it comes off......place new spray in .. turn it right...and it's in...make sure it moves freely.......Arm wasn't turning and water was consistently hitting the front door.....I also replaced the door seal...
Michael from HAMILTON, NJ
Difficulty Level:
Really Easy
Total Repair Time:
Less than 15 mins
8 of 10 peoplefound this instruction helpful.
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Questions and Answers
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6 questions answered by our experts.
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Peggy
May 1, 2023
I need lower spray arm. White plastic piece in middle is not holding. Does arm come with this piece or is it separate? Thanks
For model number WDT970SAHZ0
Hello Peggy, thank you for your question. On the backside of the arm is the male connector( white round plastic) that allow it to fit on the Pump and Motor Assembly below it. Good luck with your repair.
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Peggy
May 8, 2023
I ordered and received this lower spray arm and thought the white male part was included. I think that is what I need as it comes out easily and will not hold the spray arm in place. Please advise. Thanks
For model number WDT970SAHZ0
Hello Peggy, thank you for the question. According to our research, you may need to buy the upper wash arm support, part number PS16660558, to fix the issue. We hope this helps!
How does one know if the lower arm is cracked and if it is will that make the door leak water?
For model number WDTA50SAHW0
Hello Allen, Thank you for the question. If the Spray Arm is cracked you will be able to visually see the crack. We are not sure this would cause a leak however. We suggest checking the Lower Door Seal for wear or damage. We hope this helps!
can i take apart the lower spray arm? if so how do i do that? there is something stuck in there and it is not cleaning properly. Thank you
For model number WDTA50SAHW0
Hi Sara,
Thank you for your question. There is no way to take the lower spray arm apart. If the lower spray arm is clogged, try soaking it in a solution of warm water and vinegar and use a fine pin to remove any blockages from the spray holes. If this does not help, you will need to replace the lower spray arm. If you need to place an order for the lower spray arm, you may order it either online or by calling our customer service line and anyone will be happy to assist you. We hope this helps! If you have any questions, please let us know.
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Pam
May 13, 2022
Our dishwasher is now making a thumping noise. It thumps whether it’s run empty or full. Could it be it needs a new part, a new arm?
Thanks
For model number WDTA50SAHB0
Hello Pam, Thank you for your inquiry. This issue can be caused by one of the spray arms hitting something as the dishwasher is washing. Check the middle and lower spray arms for any obstructions or loose connections. We also recommend checking the door springs, the door balance kit, and the pump and motor assembly. We hope this helps and if you need help placing an order, customer service is open 7 days a week. Please feel free to give us a call. We look forward to hearing from you!
Dishwasher is leaking from the bottom of the door. Have replaced the lower door seal and the inlet control valve. Set the front to back level so that it is slightly inclined to the rear. Reduced the amount of the water leaking but did not eliminate it. Next will replace the lower wash arm. If the leak still persists do you have any ideas or is it time to call a repair technician? Thanks.
For model number WDTA50SAHV0
Hi David, thank you for the question. If you find the dishwasher leaking from the bottom of the door, a clogged drain is usually the reason. Located at the base of the dishwasher, food particles, soap residue, and other debris can cause clogs that prevent water from draining. A clogged drain can lead to puddling inside the dishwasher that eventually leaks out the bottom of the door. If that is not causing the issue and the lower spray arm does not solve the problem, then you may need to check the overflow control switch, part number PS11750031. If it is faulty, you may need to replace it. We hope this helps!
