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Customer Questions and Answers for Halogen Lamp Assembly (See Notes) by Whirlpool

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Manufacturer Part
4.89 (64)
By: Whirlpool
Part Number: OEM18033510
Manufacturer Part Number: WP74009970

Note: For bulb only, order part# WP74009925.

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Questions & Answers

For Whirlpool Halogen Lamp Assembly (See Notes) (Part Number: OEM18033510)

1 Answer

David, If the serial number of the model begins with 10 to 19 the correct halogen lamp would be part number 74004521 and if the serial is 20 or higher then you would use WP74009970.

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Nick Peterson for Model Number 665.78002803

It turns out that I found a simple and direct way to access the bulb within the Lamp Mounting Assembly (Part # WP74009970). The assembly consists of a metal body with a glass front cover. The glass is held on by two pairs of metal fingers, one pair on each side. All I had to do was to pry up the fingers on one side, using a flat blade such as a pocket-knife, and the glass front came right off. Access and change the bulb, and snap the cover back in place. Please post this so other people will know.

1 Answer

Nick, You must also remember, halogen lamp bulbs don't react well to the body oils and moisture in the skin. You need to wear gloves or use a paper towel when installing the replacement bulb. The moisture or oils cause the light bulb to "burn out" prematurely and will need to be replaced sooner than usual. Thanks,

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1 Answer

Nick, The bulb inside the lamp assembly WP74009970 would not be able to be replaced individually and would have to replace the lamp assembly.

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1 Answer

Hello David, The only specifications I have been able to locate is that it is a Range Halogen Light Bulb, 12V 10W. The manufacturer just didn't release this information.

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1 Answer

Andy, With the upper light not working with a new halogen bulb in it, the issue would be in the control board causing the light not to work.

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1 Answer

Hello Nick. For the model number you provided, you will remove the outer cover, then remove the socket and then unscrew the bulb. Make sure the power is disconnected.

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1 Answer

Hello Jay. You can splice these, but you will need to use ceramic wire nuts and make sure no wires can touch metal. It is best to do without splicing, but can be done.

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1 Answer

Hello Jelisa, You can just replace the bulb, but there is a reason the manufacturer sell it like this. Cooking grease tends to accumulate in and on the assemblies and causes problems worse than a burned out bulb. Also, if you touch this type of bulb with your fingers, it will cause the bulb to blow prematurely. If you try changing just the bulb, you have to use a paper towel to prevent the oil from your skin form ever contacting the bulb.

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