KitchenAid Microwave Parts

KitchenAid Microwave Parts You Can Trust

When your KitchenAid microwave stops heating, won't start, or makes unusual noises, the culprit is usually one of a handful of high-failure parts. KitchenAid microwaves are built on proven platforms — many sharing parts across model lines — so finding the exact OEM part for your unit is straightforward once you have your model number.

Whether it's a door switch preventing startup, a magnetron that's lost its heat, or a simple turntable motor that's quit spinning, Repair Clinic stocks genuine KitchenAid microwave parts ready to ship the same day. We back every part with manufacturer specs so you get the right fit, every time.

• Door switches: microwave won't start despite being plugged in; three switches work in series
• Magnetrons: microwave runs but food stays cold; the heat-generating part
• Turntable motors: plate won't rotate; easy replacement; very common failure
• High-voltage diodes: buzzing sound but no heat; inexpensive fix
• Waveguide covers: arcing or burning smell inside; protective mica or plastic sheet

KitchenAid Microwave Parts: Frequently Asked Questions

How do I find my KitchenAid microwave model number?

Your model number is printed on a label inside the microwave door jamb (the frame around the door opening) or on the back wall of the unit. It usually starts with a letter (like K or KMHS) followed by numbers. Once you have it, use the model lookup tool at the top of this page to see every part available for your exact model. Entering your model number eliminates guesswork — you'll see only the parts that fit.

Why won't my KitchenAid microwave start even though it's plugged in?

Microwave door switches are the #1 reason for this symptom. Your KitchenAid has three door switches inside the frame — all three must close when the door shuts for the microwave to run. If even one switch fails, the unit won't start. These switches are inexpensive ($15 to $40 each) and one of the easiest microwave repairs. Test each switch for continuity, or order the three-switch kit for your model to replace them all at once.

My KitchenAid microwave is running but food isn't heating. What's wrong?

The magnetron is the part that generates microwave energy. If you hear the motor running and the turntable spinning but food stays cold, the magnetron has likely failed. For newer KitchenAid models, a magnetron replacement may cost $150 to $300, so weigh that against the microwave's age and original price. Always test the high-voltage diode first — a failed diode is cheaper and easier to replace, and it's a common cause of the exact same symptom.

Is it normal for my microwave to arc or smell like burning?

Arcing (sparking) inside the microwave is almost always the waveguide cover — a thin plastic or mica sheet that protects the magnetron opening. Food splatter burns through it over time. Replace the waveguide cover immediately; it's a $5 to $15 part. Ignore the arcing and you risk damaging the magnetron itself, which is much more expensive. If you see arcing and the waveguide cover is intact, the magnetron housing may be damaged — consult the troubleshooting guide for your model.

Order KitchenAid Microwave Parts Online

Ordering KitchenAid microwave parts online is simple and helps you find genuine OEM parts for your unit. With same-day shipping on most in-stock items, you'll have your replacement part fast, minimizing downtime. Our model/part number lookup finds the exact OEM part for your unit, and every order is backed by our 365-day return policy and price-match guarantee. Browse our repair help section for troubleshooting tips, part testing guides, and step-by-step installation videos for your specific product.

KitchenAid Microwave Model Number: Where to Look

KitchenAid places the model number on a label inside the microwave door frame, the area around the door opening. If it is not there, check the back or side of the cabinet. Look for a combination of letters and numbers, and copy it exactly, including any final digits. Enter that number in the model search bar to narrow the catalog to every part that fits your specific KitchenAid microwave. The model number applies to the entire unit, not just the part you plan to replace, so using it helps match everything from door parts and filters to switches and turntable parts. With the correct number in hand, you can skip compatibility guesswork and order with confidence.