This MTD 21" Blade is a replacement cutting component for compatible outdoor power equipment. Replace the blade when the edge is excessively worn, bent, or damaged to maintain clean, even cutting performance.
This MTD 21" Blade is used in the related assembly where wear, damage, or loss of the original part can affect normal operation. Matching the part number to your model is the best way to confirm fit.
Not sure if 942-0124B is the right MTD part for your model? Search your part or engine model number in our MTD Parts Lookup Tool.