Part Location Diagram of W10709921 Whirlpool Microwave Surface Light Bulb
See part 2 in the diagram
( Grid squares measure 1x1 inch )
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Microwave Surface Light Bulb

 Fits your KHMS1850SSS0!
★★★★★
★★★★★
20 Reviews
$27.35
  In Stock
 Fits your KHMS1850SSS0!
PartSelect Number PS11722423
Manufacturer Part Number W10709921
Manufactured by Whirlpool
Product Description

Microwave Surface Light Bulb Specifications

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Troubleshooting
This part works with the following products:
Microwave, Microwave Oven Combo.
This part works with the following products:
Whirlpool, KitchenAid, Maytag, Jenn-Air.
Part# W10709921 replaces these:
AP5983626, W10112515, W10208564, W10618217, W10892536, W11414610
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Customer Reviews
Average Rating:
★★★★★
★★★★★
20 Reviews
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Customer Repair Stories
 Average Repair Rating: 4.8 / 5.0, 7 reviews. What's this?
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Sorry, we couldn't find any existing installation instruction that matched.
Light burned out
One Phillip's screw to remove glass on bottom of unit. Pull old bulb out & insert new bulb. Replace glass & screw.
Other Parts Used:
  • Terry from LINDSTROM, MN
  • Difficulty Level:
    Very Easy
  • Total Repair Time:
    Less than 15 mins
  • Tools:
    Screw drivers
6 of 11 people found this instruction helpful.
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The over the range halogen light bulb is difficult to remove.
The halogen light bulb is very tight in the socket and difficult to remove by hand. Read reviews by other customers who had the same issue and complained that they ended up breaking the bulb trying to remove it. If broken may require an on-site service technician to remove the whole assembly with additional much higher cost and time. I found wrapping some duct tape around the burned-out bulb made it easier to grip and remove the old bulb without breaking it.
Based on some You-Tube videos I watched newer models now use LED light panels which appear to solve this problem.
Other Parts Used:
  • Donald from INDEPENDENCE, MO
  • Difficulty Level:
    A Bit Difficult
  • Total Repair Time:
    Less than 15 mins
  • Tools:
    Screw drivers
5 of 7 people found this instruction helpful.
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Burned out lamp
This should be a 1 minute repair. However, there are a few issues. First, make sure you order the correct bulb. Mine is a halogen push in bulb, but the parts list showed a screw in bulb.
Remove power from the unit OR be sure that the light is turned off with the push switch.. The display will show the status as you rotate through the dim levels.
There is a single Phillips head screw holding the cover on the underside of the over stove microwave. carefully remove it. When loose the panel will drop down and you will find the old bulb in the center of the front of the opening. Remove the bulb. Now the important part. Carefully unpack the new bulb being careful to not touch the glass with your bare hands or fingers. Then insert the bulb into the socket.
If you unplugged the unit then plug it back in and push the switch to check that the new bulb works and is in the socket, then turn it back off.
Carefully lift the cover back into position and replace the screw. This is the hard part as you are working upside down and can't really see when it is lined up properly. When you have the screw back in and tight you are done. Press the light switch to enjoy your lit up stove again and put your tools away.
If you get your fingers on the glass bulb then clean it off with some rubbing alcohol and a paper towel to remove any finger oils before you put the cover back in place. Finger oils can boil with the heat of the lit bulb and cause the glass to explode. This holds true for any halogen bulb.
Other Parts Used:
  • Jim from LATHROP, CA
  • Difficulty Level:
    A Bit Difficult
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Screw drivers
4 of 6 people found this instruction helpful.
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Both lights failed. Replaced with new bulbs.
Unscrew lens and direct access to surface light cavity. Removed old light bulbs and replaced with new bulbs. Reassembled lens cover and turned lights on successfully. Took less than ten minutes.
Other Parts Used:
  • CARMELO from LOVETTSVILLE, VA
  • Difficulty Level:
    Very Easy
  • Total Repair Time:
    Less than 15 mins
  • Tools:
    Screw drivers
3 of 6 people found this instruction helpful.
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Lights burned out
Replaced bulbs easily.
Other Parts Used:
  • Pat from GRAND ISLAND, NY
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    Less than 15 mins
  • Tools:
    Screw drivers
3 of 7 people found this instruction helpful.
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Light bulb under the microwave burned out
Used a philips head screwdriver to remove one screw holding the light cover. Pulled out the old bulb and inserted the new one. Replaced the cover.
Other Parts Used:
  • Elizabeth from SUFFERN, NY
  • Difficulty Level:
    Very Easy
  • Total Repair Time:
    Less than 15 mins
  • Tools:
    Screw drivers
2 of 3 people found this instruction helpful.
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I noticed that the hood lights were out.
I took off the glass panel underneath the microwave and replaced the 2 bulbs in less than 3 minutes by myself with only a phillips head screwdriver. I was very pleased with the service I received and more pleased with myself that I did not have to call in a repair man.
Other Parts Used:
  • linda from brockton, MA
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    Less than 15 mins
  • Tools:
    Screw drivers
0 of 1 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!

26 questions answered by our experts.
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Dale
November 3, 2017
Both lights burned out at the same time - does this indicate that there might be a problem elsewhere?
For model number KHMS2040BSS2
PartSelect logo
Hi Dale, Thank you for your inquiry. If both lights went out at the same time, there may be an issue with the light sockets or the wiring connected to them. You will have to check them to see which one is causing the issue. I hope this helps. Thank you and have a great day!

13 people found this helpful.

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Laura
November 10, 2017
How do you remove the bulbs under the hood, and replace them? Thanks?
For model number KHMS1850SSS2
PartSelect logo
Hi Laura, Thank you for your question. You would just have to unscrew one screw that holds your lens in place. Once you remove your lens, you will be able to pull out your bulb and replace it. Good luck with your repair.

10 people found this helpful.

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Shannon
January 22, 2019
I am looking for replacement bulbs for the over the range "night light". I cannot find the correct item/model number. Thank you.
For model number KMHP519ESS0
PartSelect logo
Hello Shannon, Thank you for contacting us. I have researched the model you have provided and have found the part you are looking for is Part Number: PS11722423. Thank you for your inquiry, good luck with this repair!

7 people found this helpful.

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Tom Frichtel
November 29, 2018
One of the cook top lights burnt out. I lowered the glass hinged cover and removed the small individual lens. I tried to remove the bulb and it was very tight and I thought maybe the white baked clay piece to the rear was part of the bulb and tried to remove it with pliers and it crumbled. I have the bulb # but I am having trouble finding the # of the "plug" assembly any help. Thanks
For model number JMV9196CS2
PartSelect logo
Hello Tom, Thank you for contacting us. I have researched the model you have provided and have found the part you’re looking for is Part Number: PS9491959 for the socket the bulb plugs into. Thank you for your inquiry, good luck with this repair!

4 people found this helpful.

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Related Parts:
Joyce
December 6, 2018
How do you remove the surface light bulbs?
For model number KHMS2040BSS-2
PartSelect logo
Hi Joyce, Thank you for your question. You would just have to unscrew one screw that holds your lens in place. Once you remove your lens, you will be able to pull out your bulb and replace it. I hope this helps. Thank you and have a great day!

4 people found this helpful.

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Natalie
February 13, 2020
Does the cooktop bulb replacement fit this model Whirlpool microwave?
For model number WMH78019HZ
PartSelect logo
Hi Natalie, Thank you for your question. Yes, this would be the correct bulb for your microwave. We hope this helps. Thank you and have a great day.

3 people found this helpful.

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Larry
July 28, 2021
Which bulb to replace surface light?
For model number JMV9196CS1
PartSelect logo
Hello Larry, 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 PS11722423. We hope this helps!

3 people found this helpful.

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Leslie Rothfeld
February 21, 2020
What kind of light bulb do i need?Thank you!
For model number WHM76719CS-5
PartSelect logo
Hello Leslie, Thank you for your question. The light bulb listed for your model WHM76719CS-5, is available under part number PS2376034. We hope this helps you.

2 people found this helpful.

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Bob
July 8, 2021
Can you use 40w cooktop light bulbs to replace the oem 25w bulbs that come with the microwave hood?
For model number YKHMS1850S
PartSelect logo
Hello Bob, Thank you for the question. Checking this model, the 24 Watt bulb PartSelect Number PS11722423 should be used. 40 Watts is too high for this model. We hope this helps!

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Donald Martin
January 27, 2018
Both lights went out are bulbs wired in phase ? And is the my problem ?
For model number KHMS2040BSS0
PartSelect logo
Hello Donald, thank you for your question. The bulbs are mounted into a light socket not wired into the unit by a wire harness. If both bulbs went out, I would check the sockets first to eliminate that as a potential issue before ordering the replacement bulbs. You may need to replace the bulbs as well as the sockets. I hope this helps!

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Related Parts
Model Cross Reference
This part works with the following models:
PartSelect Number: PS11722423
Manufacturer Part Number: W10709921
Brand
Model Number
Description
Jenn-Air
JMV8208CB0
Microwave - MICROWAVE
Whirlpool
JMV8208CB1
Jenn-Air
JMV8208CB2
Jenn-Air
JMV8208CB3
Whirlpool
JMV8208CB4
Maytag
JMV8208CB5
Microwave
Maytag
JMV8208CB6
Microwave
Jenn-Air
JMV8208CS0
Microwave - MICROWAVE
Whirlpool
JMV8208CS1
Whirlpool
JMV8208CS2
Whirlpool
JMV8208CS3
Maytag
JMV8208CS4
Microwave
Maytag
JMV8208CS5
Microwave
Maytag
JMV8208CS6
Microwave
Jenn-Air
JMV8208WB0
Microwave - MICROWAVE OVEN/HOOD 2.0 Cu. Ft.
Jenn-Air
JMV8208WB1
Microwave - MICROWAVE
Jenn-Air
JMV8208WP0
Microwave - MICROWAVE OVEN/HOOD 2.0 Cu. Ft.
Jenn-Air
JMV8208WP1
Microwave - MICROWAVE
Jenn-Air
JMV8208WS0
Microwave - MICROWAVE OVEN/HOOD 2.0 Cu. Ft.
Jenn-Air
JMV8208WS1
Microwave - MICROWAVE
Jenn-Air
JMV8208WW0
Microwave - MICROWAVE OVEN/HOOD 2.0 Cu. Ft.
Jenn-Air
JMV8208WW1
Microwave - MICROWAVE
Jenn-Air
JMV9186WB0
Microwave - MICROWAVE OVEN/HOOD 1.8 CU. FT.
Jenn-Air
JMV9186WB1
Microwave - MICROWAVE OVEN/HOOD 1.8 CU. FT.
Jenn-Air
JMV9186WB2
Microwave - MICROWAVE
Jenn-Air
JMV9186WP0
Microwave - MICROWAVE OVEN/HOOD 1.8 CU. FT.
Jenn-Air
JMV9186WP1
Microwave - MICROWAVE OVEN/HOOD 1.8 CU. FT.
Jenn-Air
JMV9186WP2
Microwave - MICROWAVE
Jenn-Air
JMV9186WR0
Microwave - MICROWAVE OVEN/HOOD 1.8 CU. FT.
Jenn-Air
JMV9186WR1
Microwave - MICROWAVE OVEN/HOOD 1.8 CU. FT.
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