Part Location Diagram of W11087199 Whirlpool Waveguide Cover
See part 23 in the diagram
( Grid squares measure 1x1 inch )
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Waveguide Cover

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$26.46
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PartSelect Number PS12070624
Manufacturer Part Number W11087199
Manufactured by Whirlpool
Troubleshooting
This part works with the following products:
Microwave.
This part works with the following products:
KitchenAid, Whirlpool.
Part# W11087199 replaces these:
AP6048050, 461967749842, 8205675, W10317096, WP8205675
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Questions and Answers

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8 questions answered by our experts.
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Steve
February 23, 2018
I have a KitchenAid built in microwave kbms1454sss 0; which looks identical to current model kmbs104ess. Over the years the covr inlet (microwave waveguide cover) which is located in the top inside has had a hole develop in it the plastic melting away the hole is now over 1 inch in size. The microwave still work fine been using it for years.. 1) can what has caused this hole to develop 2) can this be fixed 3) what parts need to be replaced and are compatible to this model. appreciate any help you can provide this has been a great microwave and hate to spend $1200 to replace it... thanks steve
For model number KMBS104ESS00
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Hello Steve, Thank you for your inquiry. Part number W11087199 would be the part that is compatible to your model. The hold can be caused by moisture or food getting into that area, or that the magnetron may be failing. You can test the magnetron with a multimeter to see if it has continuity-for safety reasons, make sure you discharge your capacitor first. Hope this helps!

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Jeremy
November 28, 2018
Making sure this is the correct part. In the center of the interior roof of the microwave, there is a plastic part that has a hole melted open in the center. We bought the house and it came like this from the previous owner. Is this the correct part to replace that? Also, it looks like it just pops off with no screws, is this correct?
For model number KBMS1454SSS-3
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Hi Jeremy, Thank you for your question. Yes, this would be the correct part you are looking for. It is a wave guide cover. I hope this helps. Thank you and have a great day!

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Jonathan
November 30, 2019
This microwave was installed in the house we purchased. About four years ago, i replaced the waveguide cover as a hole was melted into the cover. Now, the replacement is also creating a melted hole. Is this something that i, the consumer is not doing or is doing to cause this part to melt?
For model number KBMS14542SS
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Hi Jonathan, this seems like a common problem, sadly I could not find any preventative measures. Thank you for your question and good luck with your repair!

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Rafael
March 16, 2023
Hello, i have a kbms 1454sss microwave when i try to heat things it sparks from a hole in the wave guide plate (it does heat but i stop it), if i change it will the problem be fixxed? Ty.
For model number Kbms 1454 sss
PartSelect logo
Hi Rafael, thank you for contacting us. The microwave oven can cause sparking due to damage in the waveguide cover, part number PS12070624. This waveguide cover protects the waveguide channel from debris and food splatters. You need to replace this part to fix the issue. We hope this information is useful!

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Joe
September 27, 2017
How do you remove the existing wave guide cover on my built in KitchenAid microwave?
For model number KBMS1454RSS0
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Hi Joe, Thank you for your inquiry. Replacing a microwave oven wave guide cover is a relatively simple task. That said, the process does vary from model to model. Here are the two most common ways to remove a microwave wave guide cover: Many wave guide covers are held in place with either a single screw or several screws. Remove the screw(s), and then slip the cover out of its housing. Other models require that you remove the entire outer cabinet of the microwave before you can remove the wave guide cover. In these models, the wave guide cover is most often secured to the internal right hand wall. With the outer cabinet removed, examine the right side of the unit. You should see where the wave guide cover secures in place. You will likely need to push down on the top of cover's clips to release it. Then reach inside the microwave and pull the cover out of the bottom slots. Refer to your microwave owner's manual if neither of these processes apply to you. I hope this helps. Thank you and have a great day!

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Kathy
January 15, 2024
How do I remove the ceiling wavecover on the ceiling of my microwave. I was told that it "pops off".............HOW?????? its up there pretty tight. I have a replacement and I see how to pop it on - pretty easy - how to get the existing one off????
For model number KMBS104EBL02
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Hello Kathy, thank you for your question. We have a section on our website that has customer postings on how they removed and installed parts. Here is one that will help you. Waveguide Cover PS12070624. "The cover is a simple replacement after you pry the old one off. Two hooks will break. Snapped the new one into place. We hope this helps.

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Daryle
August 29, 2022
Does this fit my model. It’s an ikea brand I think made by whirlpool. Thanks
For model number IBMS1456XS0
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Hello Daryle, Thank you for contacting us. We have researched the model you have provided and have found the part you are looking for is PartSelect Number PS11769950.We hope this helps, good luck with this repair!

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Related Parts:
Teresa Woods
April 9, 2019
What would cause the glass plate to break and shatter and the plastic inlet cover to melt a hole in the middle of it while popping a bag of popcorn on the popcorn setting. I don’t want to order replacement parts until i know if i may have a safety issue and need to replace the microwave.
For model number KBMS1454RSS-0
PartSelect logo
Hi Teresa, Thank you for your question. The glass trays for for most microwaves are made out of tempered glass. In some cases, stress points may occur in the glass as a result of extreme heat from the bag of popcorn caused by continuous cooking of it or if the popcorn is stale and does not pop. This can cause the glass to break. For some brands of popcorn, it is recommended to place the bag of popcorn on a microwaveable plate before placing it in the microwave. For more information you will need to consult the instructions on the bag of popcorn before heating it in the microwave. I hope this helps. Thank you and have a great day!

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Model Cross Reference
This part works with the following models:
PartSelect Number: PS12070624
Manufacturer Part Number: W11087199
Brand
Model Number
Description
Whirlpool
IBMS1450YB0
Microwave
Whirlpool
IBMS1450YS0
Microwave
Whirlpool
IBMS1455DS00
Microwave - MICROWAVE
Whirlpool
IBMS1455DS01
Microwave - BUILT-IN MICROWAVE
Whirlpool
IBMS1455WS0
Microwave - Built-in
Whirlpool
IBMS1455WW0
Microwave - Built-in
Whirlpool
IBMS1455XB0
Microwave - Built-in
Whirlpool
IMBS104GSS00
Whirlpool
IMBS104GSS01
Microwave
Whirlpool
IMBS104GSS02
Microwave
KitchenAid
KBMS1454BBL0
Microwave
KitchenAid
KBMS1454BSS0
Microwave
KitchenAid
KBMS1454BWH0
Microwave
KitchenAid
KBMS1454RBL0
Microwave
KitchenAid
KBMS1454RBT0
Microwave
KitchenAid
KBMS1454RSS0
Microwave
KitchenAid
KBMS1454RWH0
Microwave
KitchenAid
KBMS1454SBL0
Microwave
KitchenAid
KBMS1454SBL1
Microwave
KitchenAid
KBMS1454SBL2
Microwave
KitchenAid
KBMS1454SBT0
Microwave
KitchenAid
KBMS1454SBT1
Microwave
KitchenAid
KBMS1454SBT2
Microwave
KitchenAid
KBMS1454SSS0
Microwave
KitchenAid
KBMS1454SSS1
Microwave
KitchenAid
KBMS1454SSS2
Microwave
KitchenAid
KBMS1454SSS3
Microwave
KitchenAid
KBMS1454SWH0
Microwave
KitchenAid
KBMS1454SWH1
Microwave
KitchenAid
KBMS1454SWH2
Microwave
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