Microwave Halogen Bulb WPW10440740

Brand: Whirlpool · Appliance: Range · Fits: 618 models · Reference price: $27.36

WPW10440740 is a Whirlpool replacement part (microwave halogen bulb) for ranges. Our fitment data lists 618 models that use it.

When to replace this part

Interior lighting

Symptom: The interior light doesn't turn on when the door opens.

Check: Confirm power is reaching the socket, then check the door-activated light switch before assuming the bulb itself is at fault.

Models that use this part

Replacement video

A technician's video showing how to replace part WPW10440740. Plays from YouTube when you click.

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If you are repairing that appliance, these are the most model-specific parts on file for the same model.

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Reference price and where to compare

The reference price on file for this part is $27.36. It is informational only, not an offer or an Amazon price — RepairKitHub does not sell parts directly.

Compare WPW10440740 listings on Amazon

Before you order

• Match the part number character for character, including dashes and trailing letters; a single different character is usually a different part.
• Confirm your appliance's model number on its data plate and check that it appears in the list above (or use the model lookup tool).
• If a seller offers a substitute number, check that it appears in this page's replacement list or in the manufacturer's documentation.

Model lookup tool