Lawn & Garden Equipment Engine O-Ring 921-04663
Brand: MTD · Fits: 6 models · Reference price: $10.60
921-04663 is a MTD replacement part (lawn & garden equipment engine o-ring). Our fitment data lists 6 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 |
|---|---|---|---|
| 683-WU | MTD | — | 78 |
| 670-WUB | MTD | — | 52 |
| 478-SUC | MTD | — | 42 |
| 270-QUA | MTD | — | 39 |
| RX-6500VBK | JVC | — | 27 |
| 270-WU | MTD | — | 45 |
Part numbers it replaces
The manufacturer lists 921-04663 as the replacement for these earlier part numbers. Substitute parts can look different from the original but serve the same function.
Other parts for model 683-WU
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 $10.60. It is informational only, not an offer or an Amazon price — RepairKitHub does not sell parts directly.
Compare 921-04663 listings on Amazon