Thermal Fuse
Part # WP4451042·Whirlpool·Oven

Thermal Fuse

The WP4451042 is a thermal fuse for Whirlpool oven. Basic tools needed. Compare prices from top sellers.

Replaces: 4450814, 4451042, 589699, AP6009404
Moderate Repair

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4 stores · Updated May 16, 2026
Part AdvantageLowest
$12.81
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PartSelect
$28.42
4.5(13.6k)In Stock
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ApplianceParts Pro
$28.43
4.8(21.9k)In Stock
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RepairClinic
$33.39
4.4(3.1k)In Stock
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This Wall Range Safety Thermal Fuse protects the oven from damage in the event of an electrical short or overheating. This model is a 230 degree fahrenheit nonresettable inline oven fuse, and it is located in the vent area of your range. The two insulated female spade terminals are 3/16" and a 1/4" and may appear different from your old part. Replacing this part will require basic hand tools, some disassembly of the range and novice repair experience. You must unplug the range or shut off the house circuit breaker for the appliance before installing this part.

Part Specification
•  This product is a Factory Certified Part. These three words represent quality parts and accessories designed specifically for your appliance. Time tested engineering that meets our strict quality specifications
•  This product is a replacement part
•  Package contains (1) Wall Range Safety Thermal Fuse
•  Tools Needed: Multi screwdriver

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Common Problems This Part Fixes

Self-clean not working

Repair difficulty: Moderate - basic tools and 1-2 panels to remove

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