Product Description
Sold as a set of 2 aftermarket replacement blades for Murray / Daye / Hyper Tough walk-behind mower applications using blade family 2105200317 / 2105200317A / 84005221. The source file supports models MNA152901, MNA152903, MNA152701, with 21″ blade length and 2-1/6″ width. This thickness variant is listed at 0.149″. External search results consistently describe this family as using an oval center hole rather than a simple round center hole. Because these are 21″ walk-behind mower applications, the 2PCS quantity should be understood as pack quantity rather than a two-blade deck requirement.
Specifications
| Attribute | Value |
|---|---|
| Quantity | 2 Blades / Set |
| Length | 21″ |
| Width | 2-1/6″ |
| Thickness | 0.149″ |
| Center Hole | Oval |
| Deck Family | 21″ Walk-Behind |
Replaces (OEM & Aftermarket Cross-Reference)
| Attribute | Value |
|---|---|
| OEM / Aftermarket | 2105200317, 2105200317A, 84005221 |
Installation Tips
Confirm the exact spindle opening on your original blade before installation. Confirm your mower’s blade thickness requirement, since this listing is the 0.149″ variant. Always disconnect the mower from its power source before removing or installing blades. Replace bent, cracked, or badly worn blades immediately.
