Knob 140778
Brand: RCA · Fits: 7 models · Reference price: $4.55
140778 is a RCA replacement part (knob). Our fitment data lists 7 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 |
|---|---|---|---|
| AB121W | RCA | — | 16 |
| AA126M | RCA | — | 13 |
| AER192W | RCA | — | 9 |
| AXR128W | RCA | — | 5 |
| AFR122W | RCA | — | 4 |
| AU162W | RCA | — | 3 |
| AA1265 | RCA | — | 2 |
Other parts for model AB121W
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 $4.55. It is informational only, not an offer or an Amazon price — RepairKitHub does not sell parts directly.
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