See part 17 in the diagram
Track Gear
The W10278539 is a track gear for Whirlpool microwave. Basic tools needed. Compare prices from top sellers.
Replaces: 1874437
Moderate Repair
Genuine Whirlpool OEM Part
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3 stores · Updated May 16, 2026
Lowest$44.57
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$46.77
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$79.79
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Go to StoreThis is a genuine OEM part that works for some models of Whirlpool, Jenn-Air, Kenmore, KitchenAid, Maytag, Amana, Magic Chef, Admiral, Norge, and Roper models.
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Common Problems This Part Fixes
Sparking inside
Repair difficulty: Moderate - basic tools and 1-2 panels to remove
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