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Customer Questions and Answers for Microwave Light Bulb by Whirlpool

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Manufacturer Part
4.89 (64)
By: Whirlpool
Part Number: OEM18064305
Manufacturer Part Number: WPW10440740

The Microwave Light Bulb is an OEM part for Whirlpool microwaves. It illuminates the interior of the microwave, allowing you to monitor the cooking process and ensuring visibility while using the appliance.

You should replace this light bulb if it burns out or becomes damaged. Causes of a bad light bulb can include natural burnout over time, electrical surges, or damage from accidental impact.

Symptoms of a bad light bulb include:

  • The microwave interior remaining dark during operation
  • Flickering light inside the microwave
  • The light not turning on at all when the door is opened

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

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Questions & Answers

For Whirlpool Microwave Light Bulb (Part Number: OEM18064305)

1 Answer

Hello Pat. Unplug the unit. The have someone support the microwave and remove the screws in the top of the cabinets. Once removed, drop the front down and lift upward on the back of the unit and pull off the wall bracket.

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1 Answer

Hello Brenda, As per the service manual: CAUTION: When you work on the microwave oven, be careful when handling the sheet metal parts. Sharp edges may be present, and you can cut yourself if you are not careful. 1.Disconnect the electrical power to the microwave oven. 2.Remove the microwave oven from the oven cabinet. Unclip the wire retainer and remove it. Remove the lamp from the holder and remove the wires from the harness. Re-assemble in the reverse order using a paper towel to handle the bulb since oil from your skin will cause the premature failure of the bulb. As best as I can tell, this is a 120Vac 5 Watt bulb.

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1 Answer

Hello Mike, As per the service manual: CAUTION: When you work on the microwave oven, be careful when handling the sheet metal parts. Sharp edges may be present, and you can cut yourself if you are not careful. 1.Disconnect the electrical power to the microwave oven. 2.Remove the microwave oven from the oven cabinet. Unclip the wire retainer and remove it. Remove the lamp from the holder and remove the wires from the harness. Re-assemble in the reverse order using a paper towel to handle the bulb since oil from your skin will cause the premature failure of the bulb.

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1 Answer

Hello Joseph. WPW10440740 is the microwave bulb and can only be replaced by removing the microwave and remove the outer cover to access and replace the bulb in the unit.

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1 Answer

Hello Joseph. WP4452164 is the correct bulb. Turn the power off to the unit. Remove the oven racks and remove the light lens (it should unclip from the housing). Remove the bulb from the socket and install in reverse order.

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1 Answer

Hello Octavio. Yes, you remove the microwave from the unit and remove the outer cover to access and replace the bulb in the unit.

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1 Answer

Hello Rhugg, If the correct model number is KBHC179JSS04, The Q tube replacement part number is WP8186528. If the door isn't giving any issues I wouldn't bother it. What's the old saying? If it ain't broke, don't fix it.

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1 Answer

Barry, It's a pretty involved procedure, you may have to remove the oven from the wall. But, in most cases, once you've removed power to the oven, removed the control panel and the air vent, in most cases, you can then unclip the light receptacle holder and lift the bulb out of the recepatcle and change it. It's a very tight "squeeze" but do able. We could've sent you some additional information, but you forgot to attach an email address.

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