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Customer Questions and Answers for 40W Light Bulb by Whirlpool

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Manufacturer Part
4.89 (64)
By: Whirlpool
Part Number: OEM13537968
Manufacturer Part Number: 8206232A

The 40W Light Bulb is an OEM replacement part for Whirlpool microwave ovens. It is a standard-size bulb designed to provide illumination inside the microwave cavity, allowing you to easily view and monitor the cooking or reheating process.

Symptoms of a faulty microwave light bulb include:

  • Dimming or flickering light during operation
  • Complete bulb failure or no illumination within the cavity
  • Discoloration or physical damage to the bulb itself

Causes of a bad microwave light bulb can include normal wear and tear over time, electrical surges or voltage fluctuations, or physical impact or vibration during use.

This OEM Whirlpool part is also compatible with Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper, and Kenmore microwave oven models.

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Questions & Answers

For Whirlpool 40W Light Bulb (Part Number: OEM13537968)

1 Answer

Hello Dewngreat, For the interior light the manufacturer recommends part number 8206232A. For the cooking surface light they recommend 8206232A. Two things should be checked: the voltage supplied at the wall receptacle and the power at the light socket. If it is too high or too low, it should be corrected. If the voltage is incorrect at the wall outlet, the utility board will have to adjust it at the transformer outside of your home. If it is only incorrect at the socket, you will need to replace the control board WPW10451734.

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1 Answer

Lane, The lights being on, tells you they are working and properly installed. They won't turn off, and that may be due to a shorted wire to the receptacles, or a faulty circuit in the key pad assembly 4359477.

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1 Answer

Hello Kenneth, Remove the unit from the power supply. Then use a pair of needle nosed pliers to grasp the edge of the metal part of the old bulb. If you grasp it deep enough and twist the pliers, the bulbs' threaded part will wrap around the needle nosed pliers and come out of the socket. Be very careful removing it from the needle nosed pliers so you do not get cut. I usually use another pair of pliers to grasp the metal and untwist it from the needle nosed pliers. This way you don't even have to touch it so getting cut isn't even an issue.

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1 Answer

Hello Doug! I'm sorry, we do not carry parts for model NN-S740BA and are unable to verify the part numbers needed for your inquiry. Sorry about that!

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Diane for Model Number MH6140XKQ1

I'm having problems finding a replacement bulb for my microwave. The new bulb that I bought fits in the socket but does not respond to the Low, High and Off commands of my microwave. The bulb stays lighted all the time. My microwave Serial # is FGL4304574, and I purchased it in 2001. The microwave works great, but not having a light to shine on my cooktop is a problem and I have not been able to locate a bulb at any of the local home improvement, hardware or lighting stores.

1 Answer

Hello Tony. Unplug the unit. Then use a carrot. Cut it to fit into the bulb base and press in and back the base out of the socket. Then there is no damage done to the unit.

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