This Arnold 21 in. Mulching Mower Blade is a Genuine Factory Parts blade designed and rigorously tested to maximize safety and performance. This blade is engineered to the original equipment’s exact specifications. Manufactured using 10B38 Steel and to a 42 Rockwell Hardness rating, this blade meets American National Standards Institute requirements for safety. To protect your investment, only use Genuine Factory Parts blades.
- Original Equipment Mulching, Bagging and Side Discharge Blade for 21 in. Walk-Behind Mowers
- Original equipment part for Blades starting with 942-0741 and 742-0741
- Fits Troy-Bilt, Cub Cadet, Bolens, Huskee, MTD, Yard Machines and Yard-Man
- Contents include one blade with a 1 in. diameter bow-tie center hole pattern.
- Model: 490-100-M084











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