KitchenAid Stand Mixer Worm Drive Gear WPW10112253

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Part Details

Installation Notes

1. Disconnect power and shut off water or gas where applicable.
2. Photograph wiring, hoses, clamps, and mounting positions.
3. Compare the new part with the original before installation.
4. Inspect nearby wires, hoses, seals, and connectors for damage.
5. Test the appliance and check for leaks, unusual sounds, or error codes.

Use a qualified technician when diagnosis or installation is outside your experience. Gas parts should be installed by a licensed technician.

Manufactured to KitchenAid's exact OEM specifications, this worm drive gear uses hardened steel with precision-cut helical teeth for smooth, quiet power transmission. The gear is designed to mesh perfectly with the planetary gear assembly, maintaining proper gear ratio for consistent mixing speeds from slow stir to high whip. Built to withstand continuous operation under loads exceeding 300 watts and engineered for minimal friction and wear. Typical lifespan is 10–20 years; failures are most often due to wear from heavy use, lack of lubrication, or damage from foreign objects in the mixing bowl.

This worm drive gear fixes mixers where you hear grinding, clicking, or metal-on-metal noises during operation, the mixer runs but the beater doesn't turn or turns inconsistently, mixing speeds are erratic or don't match the speed setting, the mixer struggles with heavy dough or thick batters, or you notice metal shavings or debris in the gear housing. When the worm gear fails, the mixer cannot properly transfer power to the beater, resulting in poor mixing performance, potential motor damage, and inability to prepare recipes requiring consistent mixing action.

Direct replacement for 115798, 241803, 4161531, 4162897, 4169830, W10112253, W11604364. Compatible with KitchenAid tilt-head and bowl-lift stand mixers. Installation requires basic hand tools and takes 30–60 minutes. CRITICAL: Always disconnect power before servicing. Access requires removing the mixer head or motor housing. The gear mounts to the motor shaft and meshes with the planetary gear. Apply food-grade grease during installation and verify smooth operation before reassembly.

IMPORTANT: Only use genuine OEM worm drive gears for proper gear ratio, material hardness, and warranty compliance. Aftermarket gears may use inferior steel that wears prematurely, have incorrect tooth profile causing noise and vibration, lack proper heat treatment leading to gear failure under load, or use non-food-grade materials creating contamination risks. OEM gears are tested to KitchenAid's quality standards and designed specifically for your mixer's motor torque and planetary gear configuration, ensuring quiet, reliable mixing performance for years to come.