Microwave Thermal Cut-Off WB21X10045

Brand: GE · Appliance: Microwave · Fits: 12 models · Reference price: $18.92

WB21X10045 is a GE replacement part (microwave thermal cut-off) for microwaves. Our fitment data lists 12 models that use it.

When to replace this part

Heat control (thermostats, fuses, heating element)

Symptom: The appliance runs but heats or cools inconsistently, or shuts off partway through a cycle.

Check: With the appliance unplugged, check continuity across the part with a multimeter -- no continuity means it has failed.

Models that use this part

All 12 confirmed models for this part.
ModelBrandApplianceParts on file
SCA2000FBB02GEMicrowave88
SCA2000FWW02GEMicrowave40
SCA1000HBB03GEMicrowave29
SCA1000HCC04GEMicrowave28
SCA1000HCC02GEMicrowave24
SCA2000BCC03GEMicrowave23
JVM1490WD03GEMicrowave22
SCA1000DWW03GEMicrowave21
36363674200Kenmore EliteMicrowave20
SCA1000HWW01GEMicrowave74
JVM1490SD03GEMicrowave21
36363672201Kenmore EliteMicrowave18

Part numbers it replaces

The manufacturer lists WB21X10045 as the replacement for these earlier part numbers. Substitute parts can look different from the original but serve the same function.

Other parts for model SCA2000FBB02

If you are repairing that appliance, these are the most model-specific parts on file for the same model.

Reference price and where to compare

The reference price on file for this part is $18.92. It is informational only, not an offer or an Amazon price — RepairKitHub does not sell parts directly.

Compare WB21X10045 listings on Amazon

Before you order

Model lookup tool