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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 is a lower spray arm for a dishwasher. The lower spray arm allows water to be spread evenly throughout the dishwasher tub with the proper force so dishes come out clean. This spray arm is gray in color and is about 20 inches long. You may need to replace this part if the water is not being distributed.
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.
Keep searches simple. Use keywords, e.g. "leaking", "pump", "broken" or "fit".
Sorry, we couldn't find any existing reviews that matched. Try using some different or simpler keywords.
★★★★★
★★★★★
Charles B - May 20, 2020
Verified Purchase
Great service and fast delivery
Got what I ordered super fast and it worked great after installing.
Will do business with PartSelect again.
★★★★★
★★★★★
Glenn F - May 10, 2023
Verified Purchase
Easy repair
worked perfectly
★★★★★
★★★★★
Christoffer B - June 9, 2021
Verified Purchase
Much cleaner dishes now
I wasn't sure if I could save my dishwasher but after installing new Spray arms it works great again. Highly recommend trying to get some parts before getting as completely new dishwasher.
★★★★★
★★★★★
Sandra M - May 13, 2020
Verified Purchase
Appliance whirlpool lower arm easy install
Lower dishwasher spray arm needed to be replaced . Easy to locate correct part, order and install
★★★★★
★★★★★
Rhonda K W - October 20, 2025
Verified Purchase
Very easy to replace
Exact part I needed would do business again also quick ship
★★★★★
★★★★★
Chris V - July 28, 2020
Verified Purchase
Very easy change out.
The lower spray arm in the whirlpool dishwasher fit perfect and we are back in service. The partselect service help identified the problem very quickly.
★★★★★
★★★★★
Dean D - April 24, 2019
Verified Purchase
Perfect fit
Excellent fast service. Part works great
★★★★★
★★★★★
Hollie A - December 15, 2022
Verified Purchase
item matched discription
Item that i ordered matched description and installed correctly.
★★★★★
★★★★★
Derek W - May 20, 2019
Verified Purchase
Great Service
Exactly as advertised, what I needed and fast delivery ... couldn’t be better !
★★★★★
★★★★★
Turkan A - June 30, 2020
Verified Purchase
Easy repair
The part came fast and I put it easily. Thank you!
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Installation Instructions
Average Repair Rating: 5.0 / 5.0, 12 reviews.
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Keep searches simple. Use keywords, e.g. "leaking", "pump", "broken" or "fit".
Sorry, we couldn't find any existing installation instruction that matched.
Door leaking and dishes not getting clean
Remove and replace by hand, no tools required
Steve from ELBERFELD, IN
Difficulty Level:
Really Easy
Total Repair Time:
Less than 15 mins
1 personfound this instruction helpful.
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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 of 2 peoplefound 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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Arm sprayer had broken
Something had been loaded in the dishwasher that had gone thru the basket - it hit the arm sprayer and broke it off.
Replacement sprayer was exactly the same - the partselect website has very specific identification method so you get the proper part. You must have your model number.
I watched a you tube video whic
... Read moreh was referred by part select. This was helpful.
I did not realize at first that only part of the arm sprayer had broken off. The arm sprayer broke off, but there is a base to the arm sprayer that was still attached to the dishwasher. So I could not, of course , fit the new arm with its base over the existing base because they are the same size. Once I realized this, it was a simple replacement, following the youtube instructions. You do have to press and turn counter clockwise to get the old base off, but once that was done, the new sprayer arm, which arrived attached to the base, easily fit, and press hard to turn it clockwise to reattach it..
It has worked perfectly. It is a hard turn to get the arm sprayer off or on, which is good so it doesn't come loose during washing, but when replacing it, you aren't sure of why it won't turn. It is a hard turn. Watch the you tube video.
Read less
Vivienne from GILLETT, PA
Difficulty Level:
A Bit Difficult
Total Repair Time:
15 - 30 mins
3 of 4 peoplefound this instruction helpful.
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The filter came out and pushed the arm up on the burner and melted it.
The air just unscrews with one twist and the new arm twist right back on. No tools needs. Saved me $100 service call.
Sherry from SUSANVILLE, CA
Difficulty Level:
Very Easy
Total Repair Time:
Less than 15 mins
3 of 3 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
9 of 11 peoplefound this instruction helpful.
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Lower spray arm worn out
Took less than one minute
Shawn from WEIRTON, WV
Difficulty Level:
Really Easy
Total Repair Time:
Less than 15 mins
15 of 17 peoplefound this instruction helpful.
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After cleaning the filter basket & metal grill (floor of dishwasher), I neglected to secure the bottom spray arm. It came loose, landed on the heating coil, and melted.
I simply removed the melted spray arm, then set the new spray arm in place, twisted the built-in securing nut (clockwise to its stop), and it worked without any problems.
Scott from ALTADENA, CA
Difficulty Level:
Very Easy
Total Repair Time:
Less than 15 mins
5 of 5 peoplefound this instruction helpful.
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Questions and Answers
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Please check back later if you still haven't found the answer you need.
9 questions answered by our experts.
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Keep searches simple. Use keywords, e.g. "leaking", "pump", "broken" or "fit".
Sorry, we couldn't find any existing answers that matched.Try using some different or simpler keywords, or submit your new question by using the "Ask a Question" button above!
Alan
June 19, 2019
How do I install a lower spray arm, part number PS11755592.
For model number WDT720PADM1
Hi Alan,
Thank you for your question. You should be able to position the lower spray arm on the base and turn it so it locks into place. I hope this helps. Thank you and have a great day!
5 people found this helpful.
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Paul
March 4, 2022
How do I remove the lower spray arm
For model number WDT720PADM2
Hello Paul, thank you for your question. To remove, turn the dial located on the spray arm and it should come right off. We hope this helps.
3 people found this helpful.
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Ellen
May 12, 2023
My lower sprayer arm spun off and was burned by the coil. The part number says W10317203 (IGD) and W10340509 (GN) and W10461868 (GS). It says this part has been discontinued. Any ideas for a substitute part?
For model number Model WDT730HAMZ
Hello Ellen, Thank you for your inquiry. We show the current compatible lower spray arm as part# PS11755592. We hope this helps.
3 people found this helpful.
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Deborah
March 4, 2018
Dishwasher fills up but does not spray or clean dishes. I have cleaned the filter removed spray arms and ran water through the spray arms with no obstructions.
For model number WDT780SAEM1
Hi Deborah,
Thank you for your question. If your dishwasher is not cleaning or spraying water onto the dishes, there are some parts that you will need to check to see which ones are causing the issue. You will need to check the turbidity sensor, the heating element, the pump, the motor, the hoses and the water inlet valve. I hope this helps. Thank you and have a great day!
3 people found this helpful.
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Rachel
July 7, 2023
The lower sprayer arm came off and landed on the element and melted so it needs to be replaced. I can’t find my model number on this site. Is there another model number that the part would fit my model?
Thanks
For model number WDF310PAAS5
Hi Rachel, thank you for the great question. The lower spray arm that would fit in your model is part number PS11753223. We hope this information helps!
Hello Joe, Thank you for your inquiry. We recommend first checking the bottom door seal attached to the inner door panel as well as the tub gasket. If neither part shows any wear and tear, then we recommend checking the water inlet valve, the drain pump and the drain hose. Good luck with your repair.
Does the lower washer arm also replace the top washer arm?
For model number Wdf330pahw4
Hi Robert,
Thank you for your question. The middle and lower wash arms are different parts. The part number for the middle spray arm is PS11755664. The part number for the lower spray arm is PS11755592. We hope this helps!
Lower spray arm came off and heating element melted it so I ordered a new part. Received and replaced the spray arm. Did a load of dishes and when done, the spray arm had come off again. It's not that difficult to replace so I'm not sure what I could have done wrong. This time, it only melted a little bit so the arm is still usable. What would cause this to happen?
For model number WDF560SAFT2
Hi Phyllis, thank you for contacting us. Based on the description you have provided, we would recommend checking that the lower spray arm is properly fitted in the pump housing, part number PS11755007. If the issue still persists, you may need to replace the pump housing to fix the issue. We hope this sorts out your problem!
Hi,
My dishwasher's arm at the bottom got broken and want to buy the part.
However, on the arm, the numbers are shown as the below - not sure which one I should buy.
>PP-GF30< 6
ASM W10317203 (IGD)
ASM W10340509 (GN) W10461868 (GS)
In the replacement parts list available from this site (for the model # WDT730PAHZ0), the partsSelect Number is "PS11755592" and Manufacturer Part Number is WPW10491331 which do not match my broken parts number?
Thanks.
For model number WDT730PAHZ0
Hi Jason, thank you for reaching out. According to our research, the compatible lower spray arm for your model is part number PS11755592. We hope this information helps!
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Model Cross Reference
This part works with the following models:
PartSelect Number: PS11755592
Manufacturer Part Number: WPW10491331
