91-254 Mulching Blade – 21" Length, 7/8" Center Hole

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91-254 Mulching Blade – 21" Length, 7/8" Center Hole The Oregon® 91-254 mulching blade is designed to deliver clean, efficient cuts while finely mulching grass for a healthier lawn . Built with high-strength steel and precision engineering, this 21-inch blade is an ideal replacement for walk-behind mowers requiring a 7/8" round center hole. Specifications: Length: 21" Center Hole: 7/8" Width: 2-1/2" Thickness: 0.134" Blade Type: Mulching Compatibility:The 91-254 blade fits a wide range of 21" walk-behind and self-propelled mowers, including: MTD: Popular models with 21" cutting decks Troy-Bilt: Walk-behind units requiring a 7/8" center hole Yard Machines: 21" push and self-propelled mower models Bolens: Older 21" mowers with round blade mount Cub Cadet: Select walk-behind mowers (check for 7/8" spindle) Not Compatible With: Gravely mowers – Most Gravely walk-behind and zero-turn models use blades with a 5/8" or 13/16" center hole or specialty mounting patterns. The 91-254’s 7/8" round center hole is not suitable for most Gravely decks. Highlights: Efficient mulching performance for finer clippings and less thatch Balanced and sharpened for smooth cutting Durable construction for extended blade life Easy installation on compatible mower models Note: Always confirm blade specifications—length, width, thickness, and center hole size—before purchasing to ensure a perfect fit for your mower. This blade replaces OEM parts requiring a 21" length and 7/8" round center hole. Not intended for use on Gravely equipment. Show more