Frigidaire Microwave Parts

Frigidaire Microwave Door Switches, Magnetrons & Common Parts

Frigidaire microwaves are built for reliability, but like all microwaves, certain parts wear out predictably. The door switches are your first troubleshooting point — all three must close for the microwave to run, and a single failed switch stops everything. If the door closes but nothing happens, test the latch and interlock switches before assuming the control board is bad.

When your Frigidaire microwave runs but produces no heat, the magnetron, high-voltage diode, or capacitor are the usual suspects. A humming sound with no heat often points to the diode — an inexpensive fix. Arcing or burning smells inside the cavity mean the waveguide cover is burned through and needs replacement. Browse our full selection of Frigidaire microwave parts by part type or use your model number to find the exact match.

• Door latch won't catch: Door latch assembly, door spring
• Microwave runs but no heat: Magnetron, high-voltage diode, capacitor
• Won't start when door closes: Door switch kit (all three switches), interlock switch
• Arcing or burning inside: Waveguide cover, turntable roller
• Turntable won't rotate: Turntable motor, turntable coupling

Frigidaire Microwave Repair & Parts FAQ

Why won't my Frigidaire microwave start even though the door closes?

Frigidaire microwaves use three safety switches in series: the door latch switch, the primary interlock switch, and the secondary interlock switch. All three must be closed for the control board to energize the magnetron. If one fails, the microwave won't start. Test continuity on each switch with a multimeter. If you hear a click when closing the door but nothing happens, a failed interlock switch is the most common culprit. Order a door switch kit that includes all three switches for your model.

My Frigidaire microwave hums but doesn't heat food. What's wrong?

A humming microwave with no heat typically means the high-voltage diode has failed. The diode allows current to flow in one direction to charge the capacitor; when it fails, the magnetron gets no power. This is one of the least expensive microwave repairs — often under $20 for the diode itself. A burning or arcing smell inside the cavity is different: that's the waveguide cover (a thin mica or plastic shield) burning through. Always unplug the microwave and discharge the capacitor before servicing high-voltage parts.

How do I find my Frigidaire microwave model number?

Your model number is on a sticker inside the door frame or on the back of the unit. It typically starts with FFMO, FFMV, or FFCM and includes 4 to 5 digits. Write it down or take a photo — you'll need it to order the correct parts. Frigidaire model numbers are crucial because interiors can vary significantly between similar-looking models, and a wrong part won't fit or function properly.

Can I replace just the door handle, or do I need the whole latch assembly?

If the handle is cracked or won't grip, you can often replace the handle alone. However, if the latch hooks won't engage with the catches on the microwave frame, you'll need the full door latch assembly. Check your model number and browse replacement handles and latch assemblies separately — the parts diagram for your model will show which is needed.

Order Frigidaire Microwave Parts Online

Ordering Frigidaire 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.

Frigidaire Microwave Model Number: Where to Look

On Frigidaire microwaves, look for the model number inside the door frame or on the back or side cabinet. Check the rating label carefully, since the model number may appear near the serial number and other electrical information. Once you have it, enter it in the search bar to filter the complete Frigidaire microwave parts catalog to parts that fit your exact unit, from door and control parts to filters, fuses, and turntable parts. Using the full model number helps account for design changes within a series, so you can narrow the results quickly and order with confidence knowing the fit is right.