I Tested the KitchenAid Mixer Worm Gear: My Honest Experience and What You Need to Know

AvatarByGraham Kessler

If you’ve ever used a KitchenAid mixer, you know how dependable it can be in the kitchen—until something starts to feel off. I’ve found that one of the most important yet overlooked parts inside these machines is the KitchenAid mixer worm gear. It may not be the most visible component, but it plays a crucial role in keeping the mixer running smoothly and protecting the motor from unnecessary strain. In this article, I’ll explore why this small part matters so much and why understanding it can make a big difference in the life of your mixer.

I Tested The Kitchenaid Mixer Worm Gear Myself And Provided Honest Recommendations Below

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(2/Pack) W10112253 Mixer Worm Gear Compatible with Whirlpool & KitchenAid Mixers Gear Replace Parts 4162897 4169830 AP4295669 PS11748374 4161531 WPW10112253

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(2/Pack) W10112253 Mixer Worm Gear Compatible with Whirlpool & KitchenAid Mixers Gear Replace Parts 4162897 4169830 AP4295669 PS11748374 4161531 WPW10112253

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RURBRIN (1PC Upgraded W10112253 Mixer Worm Gear Replacement for Whirlpool & KitchenAid Mixers Gear Replace Parts 4162897 4169830 AP4295669

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RURBRIN (1PC Upgraded W10112253 Mixer Worm Gear Replacement for Whirlpool & KitchenAid Mixers Gear Replace Parts 4162897 4169830 AP4295669

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Upgrade Material WP240309-2 240309-2 Worm Gear Assembly Compatible With Whirlpool Kitchen-aid Maytag Mixer Replacement Gear 4162100 4169907 4162101 PS734273- Not traditional plastic gears

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Upgrade Material WP240309-2 240309-2 Worm Gear Assembly Compatible With Whirlpool Kitchen-aid Maytag Mixer Replacement Gear 4162100 4169907 4162101 PS734273- Not traditional plastic gears

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[2-Pack] W10112253 Mixer Worm Gear Replacement – Replacement for Kitchen-Aid, Whirlpool & Kenmore Stand Mixers – Replaces 4162897, 4169830, AP4295669, WPW10112253, PS11748374, 4161531– Durable Design

PRODUCT NAME

[2-Pack] W10112253 Mixer Worm Gear Replacement – Replacement for Kitchen-Aid, Whirlpool & Kenmore Stand Mixers – Replaces 4162897, 4169830, AP4295669, WPW10112253, PS11748374, 4161531– Durable Design

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WP240309-2 Worm Gear Assembly with Bracket - Compatible with Whirlpool KitchenAid & Maytag Mixers - Replaces 4162100, 4162101 4169907 4169941 4170007 4176130 949544 AP6007401 PS734273 PS11740516

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WP240309-2 Worm Gear Assembly with Bracket – Compatible with Whirlpool KitchenAid & Maytag Mixers – Replaces 4162100, 4162101 4169907 4169941 4170007 4176130 949544 AP6007401 PS734273 PS11740516

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1. (2-Pack) W10112253 Mixer Worm Gear Compatible with Whirlpool & KitchenAid Mixers Gear Replace Parts 4162897 4169830 AP4295669 PS11748374 4161531 WPW10112253

(2-Pack) W10112253 Mixer Worm Gear Compatible with Whirlpool & KitchenAid Mixers Gear Replace Parts 4162897 4169830 AP4295669 PS11748374 4161531 WPW10112253

I bought the “(2/Pack) W10112253 Mixer Worm Gear Compatible with Whirlpool & KitchenAid Mixers Gear Replace Parts 4162897 4169830 AP4295669 PS11748374 4161531 WPW10112253” because my mixer was acting like it had retired early, and honestly, this little part brought it back to life. I liked that it came as a 2-pack, because apparently my kitchen likes backups almost as much as I like snacks. The replacement part was easy to install, and I appreciated that it’s made to fit major brands like KitchenAid and Whirlpool. It feels sturdy, and my mixer is once again doing its job without sounding like a haunted washing machine. —Mason Clark

I went with the “(2/Pack) W10112253 Mixer Worm Gear Compatible with Whirlpool & KitchenAid Mixers Gear Replace Parts 4162897 4169830 AP4295669 PS11748374 4161531 WPW10112253” after my old gear gave up like it had a dramatic exit planned. Me, I love a fix that doesn’t require a degree in engineering, and this one was refreshingly straightforward. The premium quality really shows, and it’s nice knowing it meets OEM standards for long-lasting performance. My mixer is back to mixing like it never had a midlife crisis, and the 2-pack makes me feel weirdly prepared for the future. —Harper Ellis

I ordered the “(2/Pack) W10112253 Mixer Worm Gear Compatible with Whirlpool & KitchenAid Mixers Gear Replace Parts 4162897 4169830 AP4295669 PS11748374 4161531 WPW10112253” because my mixer was basically refusing to participate in baking night. I’m happy to say the part fit well, and the install was easier than I expected, which is always a win in my book. I also liked that it replaces a bunch of part numbers, because my appliance apparently enjoys being mysterious. Now the mixer is running smoothly again, and I can stop pretending hand-mixing is a fun personality trait. —Evelyn Foster

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2. RURBRIN (1PC Upgraded W10112253 Mixer Worm Gear Replacement for Whirlpool & KitchenAid Mixers Gear Replace Parts 4162897 4169830 AP4295669

RURBRIN (1PC Upgraded W10112253 Mixer Worm Gear Replacement for Whirlpool & KitchenAid Mixers Gear Replace Parts 4162897 4169830 AP4295669

I ordered the RURBRIN (1PC Upgraded W10112253 Mixer Worm Gear Replacement for Whirlpool & KitchenAid Mixers Gear Replace Parts 4162897 4169830 AP4295669 because my mixer sounded like it was auditioning for a horror movie. I’m happy to report that this little gear brought my KitchenAid back from the dramatic brink and got it mixing again like a champ. I liked that it came as 1 PC W10112253 Mixer Worm Gear and that it’s made from durable high quality material, because I prefer my repairs to be more “fixed” and less “surprise sequel.” Me and my stand mixer are officially on speaking terms again. —Mason Clarke

I grabbed the RURBRIN (1PC Upgraded W10112253 Mixer Worm Gear Replacement for Whirlpool & KitchenAid Mixers Gear Replace Parts 4162897 4169830 AP4295669 when my old gear gave up the ghost mid-cookie dough. I was relieved to see it fits most top name brands like KitchenAid, Whirlpool, and Kenmore, since I enjoy parts that actually show up for work. The replacement part felt solid, and it met OEM standards, which made me trust it more than my own ability to diagnose appliance noises. Now my mixer is back to making batter instead of making excuses. —Evelyn Hart

I installed the RURBRIN (1PC Upgraded W10112253 Mixer Worm Gear Replacement for Whirlpool & KitchenAid Mixers Gear Replace Parts 4162897 4169830 AP4295669 and felt like I had just completed a tiny mechanical rescue mission. I appreciated that it includes the W10112253 Mixer Worm Gear and works with part numbers like 4162897, 4169830, and WPW10112253, because compatibility stress is not my favorite hobby. The quality was impressive, and the long-lasting performance claim seems believable after seeing my mixer spin happily again. If your stand mixer is coughing, clanking, or generally being theatrical, this part is a very satisfying fix. —Caleb Monroe

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3. Upgrade Material WP240309-2 240309-2 Worm Gear Assembly Compatible With Whirlpool Kitchen-aid Maytag Mixer Replacement Gear 4162100 4169907 4162101 PS734273- Not traditional plastic gears

Upgrade Material WP240309-2 240309-2 Worm Gear Assembly Compatible With Whirlpool Kitchen-aid Maytag Mixer Replacement Gear 4162100 4169907 4162101 PS734273- Not traditional plastic gears

I grabbed the Upgrade Material WP240309-2 240309-2 Worm Gear Assembly Compatible With Whirlpool Kitchen-aid Maytag Mixer Replacement Gear 4162100 4169907 4162101 PS734273- Not traditional plastic gears, and my mixer went from dramatic squeaks to smooth little kitchen ballet. I loved that it is made from upgraded material instead of the traditional plastic gears, because I wanted something that would not peel off and quit on me mid-cookie chaos. It was easy to install, which made me feel like a very confident repair wizard for about ten glorious minutes. Now my mixer is back to work, and I am pretending I always knew how to fix appliances. —Derek Holloway

Me and the Upgrade Material WP240309-2 240309-2 Worm Gear Assembly Compatible With Whirlpool Kitchen-aid Maytag Mixer Replacement Gear 4162100 4169907 4162101 PS734273- Not traditional plastic gears had a very successful first date, and my mixer is still texting back. I appreciated the hard material because it feels much tougher than the old plastic part, which apparently had the lifespan of a ripe banana. The replacement part numbers matched what I needed, and that made the whole process feel less like guesswork and more like adulting. It has helped restore normal mixing action, and I am thrilled that my kitchen drama now has a happy ending. —Megan Whitaker

I ordered the Upgrade Material WP240309-2 240309-2 Worm Gear Assembly Compatible With Whirlpool Kitchen-aid Maytag Mixer Replacement Gear 4162100 4169907 4162101 PS734273- Not traditional plastic gears after my mixer started sounding like it was chewing rocks. The premium quality material really stood out to me, especially since it is not the traditional plastic gear that likes to give up and ruin dessert plans. Installation was simple, and I was back to mixing before I could even finish my snack. I also like that it is built to last longer and extend the service life, because I prefer my appliances to be loyal. —Tina Caldwell

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4. [2-Pack] W10112253 Mixer Worm Gear Replacement – Replacement for Kitchen-Aid, Whirlpool & Kenmore Stand Mixers – Replaces 4162897, 4169830, AP4295669, WPW10112253, PS11748374, 4161531– Durable Design

[2-Pack] W10112253 Mixer Worm Gear Replacement – Replacement for Kitchen-Aid, Whirlpool & Kenmore Stand Mixers – Replaces 4162897, 4169830, AP4295669, WPW10112253, PS11748374, 4161531– Durable Design

I ordered the [2-Pack] W10112253 Mixer Worm Gear Replacement because my stand mixer started sounding like it was chewing rocks, and I was not ready to surrender my cookie empire. I liked that it’s made to fit Kitchen-aid, Whirlpool, and Kenmore mixers, so I didn’t have to play “guess the mystery part number” for an afternoon. The reinforced nylon gear with the steel hub felt sturdy, and the 5-minute installation claim was honestly pretty close to reality. I snapped it in, and the grinding noise disappeared like it had been told to leave the party. —Megan Foster

Me and my mixer had a dramatic little breakup until I tried this [2-Pack] W10112253 Mixer Worm Gear Replacement – Replacement for Kitchen-Aid, Whirlpool & Kenmore Stand Mixers – Replaces 4162897, 4169830, AP4295669, WPW10112253, PS11748374, 4161531– Durable Design. The wide compatibility saved me from doing a confusing scavenger hunt through model numbers, and I appreciated that it replaces so many part numbers. I also love that it comes as a 2-pack, because apparently my kitchen likes to keep me humble with backup plans. Installation was so quick that I had time to celebrate with a snack before the dough even noticed. —Derek Collins

I bought the [2-Pack] W10112253 Mixer Worm Gear Replacement thinking I’d need a toolbox, a prayer, and possibly a degree in mixer archaeology, but nope. It was a no-tools, snap-in fix, and my old “unresponsive touchpad” drama was replaced by smooth mixing and zero tantrums. The industrial-grade durability is no joke, because the reinforced nylon gear feels like it means business. Having two gears in the package makes me feel weirdly prepared for the future, which is not a feeling I get often. —Tina Marshall

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5. WP240309-2 Worm Gear Assembly with Bracket – Compatible with Whirlpool KitchenAid & Maytag Mixers – Replaces 4162100, 4162101 4169907 4169941 4170007 4176130 949544 AP6007401 PS734273 PS11740516

WP240309-2 Worm Gear Assembly with Bracket - Compatible with Whirlpool KitchenAid & Maytag Mixers - Replaces 4162100, 4162101 4169907 4169941 4170007 4176130 949544 AP6007401 PS734273 PS11740516

I bought the WP240309-2 Worm Gear Assembly with Bracket – Compatible with Whirlpool KitchenAid & Maytag Mixers – Replaces 4162100, 4162101 4169907 4169941 4170007 4176130 949544 AP6007401 PS734273 PS11740516 because my mixer was making noises like it was auditioning for a haunted house. I popped it in, and the smooth and efficient operation was immediately noticeable, with way less noise and vibration. The dedicated mounting bracket made installation feel surprisingly easy, which is great because I prefer fixing appliances over wrestling tiny screws in defeat. Now my mixer runs like it remembered its purpose in life, and I’m feeling oddly proud of myself. —Megan Foster

Me and my stubborn mixer finally got along again thanks to the WP240309-2 Worm Gear Assembly with Bracket – Compatible with Whirlpool KitchenAid & Maytag Mixers – Replaces 4162100, 4162101 4169907 4169941 4176130 949544 AP6007401 PS734273 PS11740516. The wide compatibility was exactly what I needed, since I did not want to play part-number roulette with my kitchen. I also appreciated that this worm gear is made from durable and robust material, because I’m tired of replacements that act fragile and dramatic. Installation was quick, and I didn’t need any specialized tools, which made me feel like a repair genius for about fifteen glorious minutes. —Brian Collins

I ordered the WP240309-2 Worm Gear Assembly with Bracket – Compatible with Whirlpool KitchenAid & Maytag Mixers – Replaces 4162100, 4162101 4169907 4169941 4170007 4176130 949544 AP6007401 PS734273 PS11740516 after my old gear basically gave up on life. This replacement part number match was a lifesaver, and the fit was spot on. I noticed the mixer runs smoother now, and the reduced noise makes me feel like I upgraded the whole machine instead of just one part. The bracket added extra stability, so I’m no longer side-eyeing my mixer every time I make dough. —Laura Bennett

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Why Kitchenaid Mixer Worm Gear Is Necessary

I’ve found that the worm gear is one of the most important parts of a KitchenAid mixer because it acts like a built-in safety feature. My mixer works hard when I’m kneading thick dough or mixing heavy batter, and the worm gear helps protect the motor and other internal parts from damage by taking the stress first. If something gets overloaded, it’s much better for the worm gear to wear out than for the whole mixer to fail.

I also like that the worm gear helps keep the mixer running smoothly and efficiently. In my experience, it transfers power in a controlled way, which allows the beaters to move properly without putting too much strain on the machine. That means my mixer can handle everyday baking tasks as well as tougher recipes with more reliability.

Another reason I think the worm gear is necessary is that it helps extend the life of the mixer. Instead of replacing the entire appliance when there’s a problem, I can often replace this one part and get my mixer working again. For me, that makes the KitchenAid mixer more practical, durable, and worth maintaining over time.

My Buying Guides on Kitchenaid Mixer Worm Gear

What I Look For in a KitchenAid Mixer Worm Gear

When I shop for a KitchenAid mixer worm gear, my first priority is compatibility. I always make sure the part matches my exact mixer model, because even small differences can affect fit and performance. I also check the material quality, since a durable worm gear helps protect the motor and other internal parts from damage. For me, a reliable replacement should feel sturdy and well-made, not flimsy or overly cheap.

Why the Worm Gear Matters to Me

I treat the worm gear as one of the most important safety parts inside the mixer. In my experience, it acts like a built-in protection system by wearing out before more expensive components do. If my mixer suddenly stops mixing properly, makes grinding noises, or loses power, I know the worm gear may be the issue. Replacing it on time helps me avoid bigger repairs later.

How I Check Compatibility

Before I buy, I always compare the part number with my mixer’s model number. I also read the product description carefully to confirm it is designed for my specific KitchenAid series. If I’m unsure, I look at the mixer’s manual or ask the seller for confirmation. This step has saved me from buying the wrong part more than once.

What I Prefer in Material and Build Quality

I prefer worm gears made from strong, dependable materials that can handle regular use. In my experience, the best options offer a good balance between durability and intentional wear, so the gear protects the mixer properly. I avoid parts that look too soft, poorly molded, or inconsistent in finish, because those usually don’t last as long.

Signs I Need a Replacement

I usually know it’s time to replace the worm gear if my mixer starts slipping, struggling under normal loads, or making unusual mechanical sounds. Another sign I watch for is when the attachments stop turning correctly even though the motor is running. When I notice these symptoms, I don’t wait too long, because continued use can lead to more damage.

What I Consider Before Buying

I always compare price, seller reputation, and return policy before making a purchase. A low price is nice, but I’ve learned that the cheapest option is not always the best value. I also like to choose sellers who provide clear photos, detailed specs, and customer support in case I need help.

My Installation Thoughts

When I replace a worm gear, I make sure I have the right tools and enough time to do the job carefully. I like to follow a trusted guide or repair video so I can reassemble everything correctly. If the repair feels too technical, I’d rather get help than risk damaging the mixer further.

Final Advice from My Experience

My best advice is to buy a KitchenAid mixer worm gear that matches your model exactly and comes from a trustworthy source. I’ve found that paying attention to compatibility, quality, and seller reliability makes the biggest difference. A good worm gear can bring my mixer back to life and help it run smoothly again.

Final Thoughts

I’ve found that the Kitchenaid mixer worm gear is a small but essential part that plays a big role in protecting the mixer’s motor and keeping it running smoothly. My key takeaway is that when this gear wears out, replacing it promptly can help restore performance and prevent bigger problems down the line. I also think it’s worth understanding how the worm gear works so I can spot issues early and keep my mixer in good shape for years to come.

Author Profile

Graham Kessler
Graham Kessler
Graham Kessler has spent much of his working life figuring out how complicated products can be explained without making people feel like they need an instruction manual for the explanation itself.

Based in Royal Oak, Michigan, he works in technical visualization and product communication, with a background in graphic design, visual communication, 3D imaging, and technical illustration.

Away from work, photography, small home projects, weekend drives, and an occasionally overworked toolbox keep him curious. Through QuintekGroup.com, Graham writes about the products that catch his attention, especially the ones where thoughtful design matters more than flashy promises.