Field Assembly SM21204
Brand: Nautilus · Fits: 7 models
SM21204 is a Nautilus replacement part (field assembly). Our fitment data lists 7 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 |
|---|---|---|---|
| 4600PTSILVER | StairMaster | — | 33 |
| 4600PT | StairMaster | — | 29 |
| 3800RC | StairMaster | — | 24 |
| 4400PT | StairMaster | — | 23 |
| E9.16 | Nautilus | — | 17 |
| 3400CE | StairMaster | — | 15 |
| EV9.16 | Nautilus | — | 12 |
Other parts for model 4600PTSILVER
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
We have no reference price on file for this part. RepairKitHub does not sell parts directly.
Compare SM21204 listings on Amazon