Micro-Switch 421155
Brand: Bosch · Fits: 10 models · Reference price: $32.99
421155 is a Bosch replacement part (micro-switch). Our fitment data lists 10 models that use it.
When to replace this part
General hardware and mounting parts
Symptom: A small mechanical or mounting part has failed, cracked, or gone missing.
Check: Compare the physical shape and mounting points to the original piece, and confirm the exact part number against your model plate before ordering.
Models that use this part
| Model | Brand | Appliance | Parts on file |
|---|---|---|---|
| HBN442AUC | Bosch | — | 32 |
| HBN442AUC/01 | Bosch | — | 32 |
| HBN445AUC | Bosch | — | 31 |
| HBN446AUC | Bosch | — | 31 |
| HBN445AUC/01 | Bosch | — | 30 |
| HBN446AUC/01 | Bosch | — | 30 |
| HBN452AUC/01 | Bosch | — | 15 |
| HBN656AUC | Bosch | — | 14 |
| HBN455AUC | Bosch | — | 10 |
| HBN455AUC/01 | Bosch | — | 9 |
Other parts for model HBN442AUC
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 $32.99. It is informational only, not an offer or an Amazon price — RepairKitHub does not sell parts directly.
Compare 421155 listings on Amazon