Knob X21900201
Brand: Sony · Fits: 6 models · Reference price: $2.65
X21900201 is a Sony replacement part (knob). Our fitment data lists 6 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 |
|---|---|---|---|
| STR-DA3400ES | Sony | — | 52 |
| STR-DG820 | Sony | — | 35 |
| STR-DG720 | Sony | — | 26 |
| STR-DG520 | Sony | — | 17 |
| STR-DA2400ES | Sony | — | 35 |
| STR-DG920 | Sony | — | 26 |
Other parts for model STR-DA3400ES
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 $2.65. It is informational only, not an offer or an Amazon price — RepairKitHub does not sell parts directly.
Compare X21900201 listings on Amazon