Engineered for optimal performance, this replacement bar blade delivers a clean, precise cut to keep your lawn healthy and pristine. Built from heavy-duty materials, it resists wear and bending, offering a longer service life even in tough mowing conditions. Perfectly balanced to reduce engine wear and mower vibration.
Compatibility
- Suits MTD 21" 400 series walk behind models and 21" cut rear baggers
| Model # | B1MA2428 |
| Brand | Sunbelt |
| Type | Lawnmower Bar Blade |
| Length | 531.81mm |
| Width | 50.8mm |
| OEM Part Number | MTD 742-0621, 742-0521, 942-0621 |
| Equivalent Part (GA Spares) | BLF3964 |
| Centre Hole Diameter | 20.6mm |
| Steel Thickness | 3.81mm |
| Outside Hole Diameter | 9.52mm |
| Centre To Centre | 63.5mm |
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