Part Location Diagram of WP240309-2 Whirlpool Worm Gear and Bracket
See part 58 in the diagram
Replacing your KitchenAid Mixer Worm Gear and Bracket
( Grid squares measure 1x1 inch )
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Worm Gear and Bracket WP240309-2

 Fits your K5SS!
★★★★★
★★★★★
19 Reviews

Rated by 24 customers 

Really Easy 

30 - 60 mins 

Ratings submitted by customers like you who bought this part.

$ 36.55
  In Stock

Get this part fast! Average delivery time for in-stock parts via standard shipping: 1.8 days.

 Fits your K5SS!
PartSelect Number PS11740516
Manufacturer Part Number WP240309-2
Manufactured by Whirlpool
Product Description

Worm Gear and Bracket Specifications

Used for Kitchenaid Mixers.
How Buying OEM Parts Can Save You Time and Money

How Buying OEM Parts Can Save You Time and Money

Part Videos

Replacing your KitchenAid Mixer Worm Gear and Bracket

Replacing your KitchenAid Mixer Worm Gear and Bracket
Troubleshooting
This part fixes the following symptoms:
Touchpad does not respond
This part works with the following products:
Mixer.
This part works with the following products:
KitchenAid, Whirlpool, Kenmore.
Part# WP240309-2 replaces these:
AP6007401, 240309-2, 4162100, 4162101, 4169907, 4169941, 4170007, 4176130
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Customer Reviews
Average Rating:
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19 Reviews
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Customer Repair Stories
 Average Repair Rating: 3.5 / 5.0, 24 reviews. What's this?
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Sorry, we couldn't find any existing installation instruction that matched.
The smallest gear was broken, so we got the worm gear and bracket as well as a new gasket and some lube to grease the gears
We disassembled it with the help of a YouTube video from partselect.
We saw the damaged gear, removed the 4 screws to remove it, cleaned all the old grease out with rags so it wouldn't be contaminated by metal shavings.
We reassembled it per the YouTube video and it works better than ever!!
Make sure you remove the roll pin before trying to pry off the planetary plate, because I watched a different video first, which didnt tell me that and i bent it a bit.
Other Parts Used:
Transmission Case Gasket Worm Gear and Bracket
  • Kate from BELLINGHAM, WA
  • Difficulty Level:
    Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Screw drivers
3 of 3 people found this instruction helpful.
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The mixer would not operate so I took out the brushes. Work afterwards but was a little noisy so, considering the advanced age of the machine and after doing research, I decided to replace the worm gear and bracket.
I followed the instructional video linked to my email order confirmation. Partselect provided one of the best how-to videos I've ever seen. With the right tools, a little patience and the video, I had an outstanding repair experience.
Other Parts Used:
Motor Brush Worm Gear and Bracket
  • Benjamin W. Tice, from El Paso, TX
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Screw drivers
1 person found this instruction helpful.
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The worm gears were broken.
We simply replaced the gear with the new one. It was very easy to install.
  • Rejana from FAIRVIEW PARK, OH
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Screw drivers
1 of 2 people found this instruction helpful.
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Mixer would slip gears under load, finally would not mix under any load
Rather than duplicate previous repair works, I recommend going to this user site and follow their instructions: http://www.neilcrockett.com/mixer1.htm. Once you have done this repair, taking the unit apart is easier to perform this tasks. Order replacement Grease "Benalene 930-2" in the 3.3 oz container and be sure to use the full container to lather all around all the gear components so grease will be available to units for years to come due to heat build up under load. Too, the 3.5 oz container is made for one unit repair job and is available through Amazon. This grease is available on larger quantities if needed / desired. I did order both, a Worm Gear and the Worm Gear and Bracket as I wasn't sure of my mechanical ability to make this repair until I got inside the unit but the worm gear is easily replaced once you clean out all the old grease. The worm gear is a neoprene type gear with all other gears being metal. I assume neoprene is used as sacrificial to save other gears from breaking under loads and years of use.
Other Parts Used:
Worm Gear Worm Gear and Bracket
  • Joyce from MARIENVILLE, PA
  • Difficulty Level:
    Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Screw drivers
2 of 2 people found this instruction helpful.
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My stand mixer stopped mixing!
I watched a YouTube video all the way through, then watched each segment and followed along with the video. It was messier than the professional repair guy, but it worked out fine. This is not a difficult repair when you can watch a video and follow along. It saved me about $130.
  • Carl from HAMPTON, NH
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Screw drivers
1 person found this instruction helpful.
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Mixer still ran, but seemed to be getting very loose as if gears or a shaft were wearing out.
I followed the video provided online. The model shown was not exactly the same as mine, but very close. The step-wise progression demonstrated on the video helped a lot. I had to double check the video a couple of times which added to the work time....I could probably do it again without the video in under 1 hour. As shown in the video, I laid out an old towel across two pieces of 2x4 which helped keep the mixer head in a position that was easy to work on and also prevented scratches.
  • Harry from MILTON, WA
  • Difficulty Level:
    Easy
  • Total Repair Time:
    1- 2 hours
  • Tools:
    Screw drivers
1 person found this instruction helpful.
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Damaged gears in both machines. Been setting around for a few years broken. Gears broke way too soon.
Simply removed damaged gears. Very simple to do. Ordered gears. Replaced gears. Both working well ( so far. ) Machines are easy to dismantle. Just be sure to put the screws back in the holes you took them out of when dismantling...no lost screws. On the smaller model, took pictures of the wire positions to be sure they were replaced in the proper order. Larger model had no wires to remove.
Other Parts Used:
Transmission Case Gasket Worm Gear and Bracket
  • Ethan from MEADVILLE, PA
  • Difficulty Level:
    Very Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Screw drivers
1 person found this instruction helpful.
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Worn Worm gear. Mixer made a clunking noise and wouldn't turn.
Followed your instructions from the internet and it was a simple fix. Mixer works great again. Thank You ..you made it easy!
  • Deborah from HUNTINGTON, IN
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Screw drivers
1 person found this instruction helpful.
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worm gear worn out
I watched a short video on replacing the worm gear, although I did not know what the problem was until I watched the video. after the video ended I took the mixer apart and found the problem located a parts number an placed my order. got the part in one week put in the new part in about 20 minutes and it work like new. and the price was very reasonable
  • michael from CISCO, GA
  • Difficulty Level:
    Very Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Screw drivers
1 of 3 people found this instruction helpful.
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Broken worm gear
Removed old gear and grease and replaced gear and grease resembled
Other Parts Used:
Stand Mixer Gear Grease Transmission Case Gasket Worm Gear and Bracket
  • Edward from Edgewater Park, NJ
  • Difficulty Level:
    Very Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Pliers, Screw drivers
4 of 4 people found this instruction helpful.
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Questions and Answers

Ask our experts a question about this part and we'll get back to you as soon as possible!

13 questions answered by our experts.
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Georgia
March 31, 2018
What type of grease for gear box where worm gear is located?
For model number KSM150PSCL
PartSelect logo
Hello Georgia, Thank you for your inquiry. Part# WP4176597 is the grease, approximately one pound. It is the planetary gear grease recommended by the manufacturer for all KitchenAid mixers, it is approved for incidental food contact. Hope this helps!

8 people found this helpful.

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Kimberly
November 15, 2018
My husband took my mixer apart and the worm gear has 4 worn down broken gears.This part looks like it’s a nylon gear. the original one is metal, are they compatible?
For model number K5SSWH
PartSelect logo
Hello Kimberly, Thank you for the question. Checking the parts, the middle part of the gear is metal and the teeth are nylon. Hope this helps, good luck with this repair!

4 people found this helpful.

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Steve
December 25, 2017
Hi, our KitchenAid mixer is about 25 years old. It's a 115 volt machine, but we've used it overseas for 17 years, with transformers. So, it's probably received uneven current at times. The motor works but does not operate at slower speeds. When we move the speed control from the "off" position to "stir" or one of the lower speeds, it automatically moves to a fast speed, maybe 6 or 7 out of ten. At the higher end, between 6 and 10, the speed control can be used to regulate speed. Could you recommend what parts I should replace to fix this? Thank you, Steve
For model number K5SS
PartSelect logo
Hi Steve, Thank you for the question. I suggest replacing the Speed Control Plate,PartSelect Number: PS11748567/ Hope this helps!

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Barbara
January 21, 2018
I wanted to order the worm gear assembly but want to make sure i order the correct part #. Serial # w60289728 thanks for your help.
For model number KSM150PSER
PartSelect logo
Hi Barbara, Thank you for your question. The worm gear and bracket assembly is listed under your model number and it is the correct part for your mixer. I hope this helps. Thank you and have a great day!

2 people found this helpful.

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William
December 7, 2018
When the mixer is running it is very noise. Do i need to change the worm and pinion assembl
For model number ksm90wh
PartSelect logo
Hello William, thank you for your question. Yes, we would recommend replacing Part Number: PS11740516, as this is the most common part that can cause the noise in the unit. I hope this helps!

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Les
January 15, 2019
Our mixer makes an extremely loud squeaking noise when it's mixing anything. It makes the usual "gear" noises when it's running without any resistance against the blade, but as soon as the blade meets any resistance it begins making the squeaking noise. I took it apart tonight and inspected all the gears, but none of them looked like they're worn or damaged in any way, and there was more than enough grease to lubricate them. The mixer works fine. It never locks up or hesitates to mix.Do you have any idea what might be the problem? the noise is very annoying.
For model number KSM150PSWW
PartSelect logo
Hello Les, thank you for your question. Since the gears are not broken or worn, and are properly lubricated, we would recommend checking the planetary housing for any scratch marks from screws that have worked their way out a bit. Gently remove the blank collar around the planetary gear housing and check the five flat head straight screws — they may have loosened to varying degrees, and may be touching the planetary housing. If the screws are in tight and not worked out, you will want to check the center shaft and pin Part Number: PS354304 and the agitator shaft Part Number: PS11740538. I hope this helps!

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Kamil
December 13, 2019
Hi,I would like to buy some parts for my kitchen machine (KitchenAid 5KSM175). I live in the Czech Republic, please send? And how much money would cost mail to my country? Thank you in advance for your reply. Have a nice day. My name Kamil
For model number 5KSM175
PartSelect logo
Hi Kamil, Thank you for your question. We do not ship overseas. If you know someone in the US that we could ship the part to, then you could arrange with them to forward the part to you. We hope this helps. Thank you and have a great day!

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Ron
December 18, 2019
Noise with every revolution. What replacement part?
For model number KSM90WH
PartSelect logo
Hello Ron and thanks for writing. Yes. Worm gear and bracket PS11740516 should fix this symptom. We hope this helps. Please contact us anytime.

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Grace
March 22, 2022
What is the worm gear and bracket and grease
For model number K45SSOB
PartSelect logo
Hi Grace, Thank you for your question. The grease is sold separately. The part number listed under your model number for the grease is PS12583821. If you need help placing an order for these parts, customer service is open 7 days a week and anyone will be happy to assist you. Please feel free to give us a call. We look forward to hearing from you!

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Related Parts:
James
June 3, 2022
Mixer still works but the attachments don’t turn, pasta and meat grinder. What parts do I need to get them working again? Thanks
For model number Ksm150psmc
PartSelect logo
Hello James, thank you for your question. Yes, the number PS11740516 you had chosen is compatible with your model. 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.

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Model Cross Reference
This part works with the following models:
PartSelect Number: PS11740516
Manufacturer Part Number: WP240309-2
Brand
Model Number
Description
KitchenAid
3K45SS
Mixer
KitchenAid
3K5SS
Mixer
Whirlpool
3KSM150PSTAQ0
Mixer
Whirlpool
3KSM150PSTBM0
Mixer - Stand Mixer
KitchenAid
3KSM150PSTBW0
Mixer - MIXER
KitchenAid
3KSM150PSTCB0
Mixer - MIXER
KitchenAid
3KSM150PSTCL0
Mixer - MIXER
KitchenAid
3KSM150PSTCU0
Mixer - MIXER
Whirlpool
3KSM150PSTDR0
Mixer
KitchenAid
3KSM150PSTER0
Mixer - MIXER
KitchenAid
3KSM150PSTGA0
Mixer - MIXER
Whirlpool
3KSM150PSTIC0
Whirlpool
3KSM150PSTLR0
Mixer
Whirlpool
3KSM150PSTMH0
Mixer - Stand Mixer
KitchenAid
3KSM150PSTMY0
Mixer - MIXER
KitchenAid
3KSM150PSTOB0
Mixer - MIXER
Whirlpool
3KSM150PSTPA0
Mixer - Stand Mixer
Whirlpool
3KSM150PSTPK0
KitchenAid
3KSM150PSTTG0
Mixer - MIXER
Whirlpool
3KSM150PSTVB0
Mixer - Stand Mixer
KitchenAid
3KSM150PSTWH0
Mixer - MIXER
Whirlpool
3KSM150PSTWM0
Mixer
KitchenAid
3KSM5CBTER0
Mixer - MIXER
KitchenAid
3KSM5CBTWH0
Mixer - MIXER
Whirlpool
3KSM95TCZ0
Mixer
Whirlpool
3KSM95TWH0
Kenmore
4154636928
Grill - Outdoor Grill
KitchenAid
4K45SS
Mixer
KitchenAid
4K45SS7OB0
Mixer
KitchenAid
4K45SS7WH0
Mixer
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