Grasscool 21-Inch Mulching Blade for Troy-Bilt, Cub Cadet & More — Universal 21-Inch Deck Fit

Grasscool 21-Inch Mulching Blade — a versatile upgrade for 21-inch mowers

Upgrade your lawn care with Grasscool's 21-inch mulching blade, designed to fit a wide range of walk-behind and self-propelled mowers. Built for 21-inch cutting decks, this toothed, high‑lift blade helps leave fine, nutrient-rich clippings on your lawn without the need to empty the hopper as often.

Designed to work with models from Cub Cadet, Troy-Bilt, MTD, Craftsman, Bolens, White Outdoor, Murray, Snapper, Yard Machines, Yard-Man and Huskee, this blade emphasizes compatibility while keeping a straightforward installation philosophy. Whether you own a CC469, CC989, SC500 Z, SC700 H, or a deck from the CC, SC or TB families, you’ll typically be looking for a 21-inch replacement that matches the mounting hole pattern and overall length. Always confirm the replacement number and the size of your deck before purchasing.

Why choose Grasscool 21-inch mulching blade?

Mulching blades are designed to chop clippings into finer pieces. The Grasscool model uses a toothed blade profile and a slightly lifted geometry to promote air flow and efficient cutting. The result is a more even distribution of clippings and a cleaner lawn appearance after mowing, with less need for frequent bagging in many conditions.

• Versatile compatibility: fits many 21-inch decks across brands and model families mentioned in the product notes.
• Toothed mulching blade design for thorough clipping management and lawn texture improvement.
• Appropriate for walk-behind and self-propelled mowers with a standard 21-inch cutting deck.

Product specifications and fit notes

• Blade length: 21 inches
• Air lift: 15/16 inch
• Width: 2-1/2 inches
• Thickness: 1/8 inch
• Cutting edge length: 4 inches
• Center-to-center hole: 2-1/2 inches; hole diameter: 5/16 inch
• Blade type: toothed mulching blade; compatible deck size: 21 inches

Installation tips and care

• You do not need to remove the blade paint before use. The coating can protect your hands during installation and may wear away after initial use.
• Before purchasing, verify replacement number, model, and deck size to ensure a proper match with your mower.

With Grasscool, you gain a practical blade option designed to fit a broad set of 21-inch mowers while offering a straightforward, no-nonsense approach to mulching. It’s a potential upgrade to consider if you’re looking to simplify clippings management and keep your lawn looking consistent throughout the mowing season.