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Multiple models matched. Select your model to confirm fit.

This is a genuine replacement part. Micro Switch WB24X829 G.E. switch.

Door switch, monitor (normally closed)

Switch monitor interlock

Door switch

Door switch access cover

Door switch wire

Switch door

Microswitch monitor
Repair Clinic stocks genuine OEM GE Microwave Door Switch parts that restore proper function and reliable performance. Failing switches, contactors, or relays cause intermittent operation, no power, or the unit failing to cycle. Enter your model number to find the exact GE Microwave Door Switch part you need, with same-day shipping on most in-stock items and a 365-day return policy.
When your GE microwave door switch fails, it's usually one of a few common issues. Below are the most important questions homeowners and technicians ask when facing door switch problems.
Wear from age and heat is the #1 cause. Electrical surges, contamination, and mechanical stress also shorten door switch life. Regular maintenance and using genuine OEM GE parts extend service intervals significantly.
Look for a data plate or label on your GE unit — location varies by product type but is typically on the door frame, back panel, or inside the access panel. Enter the full model number in our search to match the exact OEM door switch for your unit.
Some aftermarket parts work, but genuine OEM GE parts support proper fit and performance and guarantee exact fit. Aftermarket alternatives can vary in voltage, dimensions, and durability — OEM is the safer choice for critical parts.


Keep your GE microwave running efficiently by replacing a faulty door switch promptly. 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. If your GE microwave door switch is failing — showing symptoms like reduced performance, unusual noise, or complete non-operation — replacement is typically the fastest fix. Browse our full library of GE repair resources for troubleshooting guides and installation videos.
GE places the model number on a label inside the microwave door frame on many models. If it is not there, check the back or side of the cabinet, where the rating plate may list the model and serial numbers together. Record the complete model number, including any letters or suffixes, since small differences can change which parts fit your microwave. Enter it in the model number search to pull up the parts matched to your unit, then browse the full selection for everything associated with that model. Using the complete number gives you a fast, accurate match and helps prevent ordering a part that does not fit.

Diagnose and fix your GE Microwave with Repair Clinic's online repair library. Video walkthroughs, step-by-step written guides, exploded-view diagrams, and part testing tutorials help you identify the failed part. Look up your model number to match the exact OEM replacement, then follow the installation video from start to finish.

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Find the most common reasons your microwave isn't heating, from defective magnetrons to door switch failures, and how to troubleshoot each issue.

Find out how to test a microwave magnetron to diagnose heating problems and determine if this crucial part needs to be replaced.