Microwave Thermal Cut-Off W11051821
Brand: Whirlpool · Appliance: Microwave · Fits: 11 models · Reference price: $97.68
W11051821 is a Whirlpool replacement part (microwave thermal cut-off) for microwaves. Our fitment data lists 11 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
| Model | Brand | Appliance | Parts on file |
|---|---|---|---|
| WMH78019HV0 | Whirlpool | Microwave | 68 |
| WMHA9019HZ0 | Whirlpool | Microwave | 54 |
| WMH78019HW0 | Whirlpool | Microwave | 52 |
| WMH78019HZ0 | Whirlpool | Microwave | 52 |
| WMHA9019HN0 | Whirlpool | Microwave | 50 |
| YWMH78019HV0 | Whirlpool | Microwave | 50 |
| YWMH78019HZ0 | Whirlpool | Microwave | 50 |
| YWMHA9019HN0 | Whirlpool | Microwave | 50 |
| YWMH78019HW0 | Whirlpool | Microwave | 48 |
| YWMH78019HB0 | Whirlpool | Microwave | 45 |
| BT16MA-3 | Magic Chef | — | 15 |
Part numbers it replaces
The manufacturer lists W11051821 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 WMH78019HV0
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 $97.68. It is informational only, not an offer or an Amazon price — RepairKitHub does not sell parts directly.
Compare W11051821 listings on Amazon