Xmd21 spark plug 521
Brand: Champion · Fits: 7 models · Reference price: $33.70
521 is a Champion replacement part (xmd21 spark plug). 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 |
|---|---|---|---|
| 300890170 | Sears | — | 31 |
| 300890180 | Sears | — | 31 |
| 300890260 | Sears | — | 30 |
| 300890480 | Sears | — | 25 |
| 25785781 | Craftsman | — | 22 |
| 300890310 | Sears | — | 21 |
| 25785762 | Craftsman | — | 20 |
Other parts for model 300890170
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 $33.70. It is informational only, not an offer or an Amazon price — RepairKitHub does not sell parts directly.
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