AUTOMATIC HUMIDIFIER SENSOR AND SHIELD 4278
Brand: Sears · Fits: 3 models · Reference price: $19.58
4278 is a Sears replacement part (automatic humidifier sensor and shield). Our fitment data lists 3 models that use it.
When to replace this part
Storage, trim and cosmetic hardware
Symptom: A cracked shelf, broken door bin, worn hinge, or missing trim piece -- cosmetic and storage wear rather than a functional breakdown.
Check: Match the physical dimensions and mounting tabs of the old part before ordering; these pieces are often model-specific even between visually similar models.
Models that use this part
| Model | Brand | Appliance | Parts on file |
|---|---|---|---|
| 224 | Aprilaire | — | 51 |
| 564626420 | LXI | — | 31 |
| 308770450 | Sears | — | 10 |
Other parts for model 224
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 $19.58. It is informational only, not an offer or an Amazon price — RepairKitHub does not sell parts directly.
Compare 4278 listings on Amazon