Imagine you mow your lawn and that pile of clippings disappears into the grass, feeding it all season long. That’s exactly what the EGO POWER+ 21″ Mulching Blades 2-Pack can do, turning waste into free fertilizer. But picking the right blade isn’t one size fits all. You’ll need to match blade shape, lift, and material to your mower’s deck and your grass type. Let’s break down the ten best options so you can stop bagging clippings and start growing a healthier lawn without extra cost.
| EGO POWER+ 21″ Mulching Blades 2-Pack |  | Best Overall | Blade Length: 21 inches | Center Hole Pattern: Not specified | Material: All-steel | VIEW LATEST PRICE | Read Our Analysis |
| Maxpower 21″ Mulching Blade for MTD/Cub Cadet |  | Best Value | Blade Length: 21 inches | Center Hole Pattern: Bow tie | Material: Not specified (USA-made) | VIEW LATEST PRICE | Read Our Analysis |
| MaxPower 331387XB Commercial Mulching Blade |  | Professional Grade | Blade Length: 20-27/32 inches | Center Hole Pattern: 7/16-inch center hole | Material: Not specified (USA-made) | VIEW LATEST PRICE | Read Our Analysis |
| Grasscool 42-Inch Craftsman Mower Mulching Blades Replacement | Most Versatile | Blade Length: 21 inches | Center Hole Pattern: 5-point star | Material: Not specified | VIEW LATEST PRICE | Read Our Analysis | |
| Lawn Mower Blade 942-0741A 21-Inch Mulching |  | Best Durability | Blade Length: 21 inches | Center Hole Pattern: Bow tie | Material: High-strength heat-treated steel | VIEW LATEST PRICE | Read Our Analysis |
| Grasscool Troy Bilt 21 Inch Mulching Blade |  | Best For Beginners | Blade Length: 20-7/8 inches | Center Hole Pattern: Bow tie | Material: Heavy-duty 40MnB steel | VIEW LATEST PRICE | Read Our Analysis |
| MaxPower 331376XB Toro Recycler Mulching Blade |  | Editor’s Choice | Blade Length: 21-11/16 inches | Center Hole Pattern: 7/16-inch center hole | Material: Not specified (USA-made) | VIEW LATEST PRICE | Read Our Analysis |
| GICOOL 21″ Lawn Mower Mulching Blades 2-Pack |  | Budget-Friendly Pick | Blade Length: 20-30/32 inches | Center Hole Pattern: Bow tie | Material: 40MnB steel | VIEW LATEST PRICE | Read Our Analysis |
| 21″ Mulching Blade for Cub Cadet MTD Craftsman |  | Most Popular | Blade Length: 21 inches | Center Hole Pattern: Bow tie | Material: High-carbon steel | VIEW LATEST PRICE | Read Our Analysis |
| Maxpower Commercial Mulching Blade Set 46 |  | Commercial Grade | Blade Length: 22-7/8 inches | Center Hole Pattern: 5-point star | Material: Not specified (USA-made) | VIEW LATEST PRICE | Read Our Analysis |
More Details on Our Top Picks
EGO POWER+ 21″ Mulching Blades 2-Pack
You’re looking for a mulching blade that clicks right into your EGO mower without any fuss. The EGO POWER+ 21″ Mulching Blades 2-Pack (model AB2101D) delivers exactly that. These all-steel blades fit specific 56-Volt models like the LM2130, LM2135SP, and LM2150SP. They’re part of the Select Cut™ Multi-Blade System, so you can swap them with the High Lift Bagging Blade or Extended Run Time Blade. The set includes an upper blade that slices grass and a lower mulching blade that sucks up and finely fragments clippings. You’ll get clean cuts and healthier grass. Installation is straightforward, though nuts and bolts aren’t included. It’s a durable, no-nonsense upgrade.
- Blade Length:21 inches
- Center Hole Pattern:Not specified
- Material:All-steel
- Blade Width:Not specified
- Package Quantity:2-pack
- Surface Coating:Not specified
- Additional Feature:Part of multi-blade system
- Additional Feature:Two-piece blade design
- Additional Feature:Compatible with 56V mowers
Maxpower 21″ Mulching Blade for MTD/Cub Cadet
MaxPower’s 21-inch mulching blade delivers a solid value for owners of MTD, Cub Cadet, Troy-Bilt, or Craftsman mowers. You’ll fit this USA made blade easily if your deck uses a bow tie center hole with a 5/16-inch outside hole diameter. It replaces common OEM numbers like 742-0741 and 742-0741A, so just verify yours first.
- Design: Sharpened during production with a powder coat that wears off to expose the edge.
- Performance: It mulches efficiently on compatible 21-inch mowers, turning clippings into free fertilizer.
- Support: MaxPower offers a manufacturer’s warranty, and you can report lower prices found elsewhere.
And at about 1.6 pounds, it’s lightweight but tough.
- Blade Length:21 inches
- Center Hole Pattern:Bow tie
- Material:Not specified (USA-made)
- Blade Width:2-1/4 inches
- Package Quantity:Single blade
- Surface Coating:Powder coated
- Additional Feature:Bow tie center hole pattern
- Additional Feature:USA manufactured
- Additional Feature:Powder coated for protection
MaxPower 331387XB Commercial Mulching Blade
This mulching blade is built for commercial operators. It fits 21-inch cut Toro, Exmark, and Lawn Boy mowers, replacing parts like 108-0954-03. Made in the USA, it meets or exceeds OEM standards, so you get high performance without guesswork. Measuring 20-27/32 by 2-1/4 inches with a 7/16-inch center hole, it’s a precise fit. The package includes one blade, weighing about 1.82 pounds. Customers rate it 4.6 out of 5 stars for durability. Plus, MaxPower backs it with a manufacturer’s warranty. Just verify your mower’s OEM numbers before buying.
- Blade Length:20-27/32 inches
- Center Hole Pattern:7/16-inch center hole
- Material:Not specified (USA-made)
- Blade Width:2-1/4 inches
- Package Quantity:Single blade
- Surface Coating:Powder coated
- Additional Feature:Designed for commercial use
- Additional Feature:Fits Toro/Exmark/Lawn Boy
- Additional Feature:7/16-inch center hole
Grasscool 42-Inch Craftsman Mower Mulching Blades Replacement
Grasscool’s 42-inch mulching blades are the most versatile choice for Craftsman LT1000, LT2000, and T110 owners. They fit a 5 Point Star pattern, so check yours before buying if you have a 6 Point Star, you’ll need a different model. These toothed blades simultaneously mulch, bag, and side discharge. Their high-lift design boosts bagging capacity by about 50%, a real plus for thick lawns. They tackle overgrown weeds and rugged terrain with ease. Each blade measures 21 inches long, 2.5 inches wide, and 13/64 inches thick. They’re painted for rust resistance, though that coating wears down over time. Sharpening them keeps your lawn looking pristine.
- Blade Length:21 inches
- Center Hole Pattern:5-point star
- Material:Not specified
- Blade Width:2.5 inches
- Package Quantity:Not specified
- Surface Coating:Painted (rust-resistant)
- Additional Feature:5-point star mounting pattern
- Additional Feature:Increases bagging capacity 50%
- Additional Feature:Cuts overgrown weeds/rugged terrain
Lawn Mower Blade 942-0741A 21-Inch Mulching
If you mow uneven terrain with thick weeds, you’ve found your blade. The 942-0741A from Troy Bilt, MTD, Craftsman, and Cub Cadet is a 21-inch mulching powerhouse. Its aerodynamic curves boost airflow, cutting grass finely and boosting bagging capacity by roughly 50%.
You’re getting high-strength, heat-treated steel for maximum durability. Before installing, check that bow-tie center hole fits your deck. The dimensions? 21 inches long, 2-1/4 inches wide, with a 1-1/8 inch lift. That protective paint wears off during use, but it resists corrosion and makes handling safer. It’s built for tough jobs, plain and simple.
- Blade Length:21 inches
- Center Hole Pattern:Bow tie
- Material:High-strength heat-treated steel
- Blade Width:2-1/4 inches
- Package Quantity:Single blade
- Surface Coating:Protective paint
- Additional Feature:Aerodynamic multi-curve design
- Additional Feature:Heat-treated high-strength steel
- Additional Feature:Increases bagging capacity 50%
Grasscool Troy Bilt 21 Inch Mulching Blade
You’re new to mulching and want a blade that won’t frustrate you. The Grasscool Troy Bilt 21 Inch Mulching Blade delivers exactly that. It fits a ton of popular walk-behind mowers: Troy-Bilt, MTD, Craftsman, Cub Cadet, even Snapper models. That bow tie shaped center hole makes mounting simple, and painted cutting edges resist rust during installation.
This blade is a true 3-in-1 workhorse. You get mulching, bagging, and side discharge from one piece of heavy duty 40MnB steel. It measures roughly 20 7/8 inches long with a 1 1/8 inch lift. That lift creates strong airflow to stop debris buildup in damp grass or overgrown weeds. Seed heads get removed, clippings become fine fertilizer, and your lawn ends up clean. You can even sharpen it later for consistent cuts.
- Blade Length:20-7/8 inches
- Center Hole Pattern:Bow tie
- Material:Heavy-duty 40MnB steel
- Blade Width:2-1/4 inches
- Package Quantity:Single blade
- Surface Coating:Painted (rust-resistant)
- Additional Feature:3-in-1 mulching/bagging/discharge
- Additional Feature:Heavy-duty 40MnB steel
- Additional Feature:Handles damp/wet grass
MaxPower 331376XB Toro Recycler Mulching Blade
MaxPower 331376XB is our editor’s choice for Toro Recycler owners. This USA made commercial mulching blade fits your 22 inch Recycler, replacing OEM numbers 108-9764-03, 131-4547-03, and 104-8697-03. It’s about 21-11/16 inches long, 2.25 inches wide, with a 7/16 inch center hole. The powder coating protects against corrosion, but it wears off after your first cut to reveal a precision sharpened edge. You’ll get an exact OEM fit, so no hassle. And it weighs just under two pounds, making installation easy. Want quality? This blade delivers.
- Blade Length:21-11/16 inches
- Center Hole Pattern:7/16-inch center hole
- Material:Not specified (USA-made)
- Blade Width:2-1/4 inches
- Package Quantity:Single blade
- Surface Coating:Powder coated
- Additional Feature:Fits 22-inch Toro Recyclers
- Additional Feature:21-11/16 inch blade length
- Additional Feature:Precision sharpened edge
GICOOL 21″ Lawn Mower Mulching Blades 2-Pack
GICOOL 21″ blades are your budget-friendly pick for versatile mulching. You’ll get a 2-pack that swaps neatly into Troy-Bilt TB130, Craftsman M220, or Cub Cadet CC469 decks. Each blade measures 21 inches, with a bow-tie center hole and a 3-in-1 design for mulching, bagging, or side discharging.
The high-lift wings boost airflow, so clippings get chopped fine for lawn food, not clumps. Crafted from 40MnB steel, you’re looking at solid durability. Plus, a rust-resistant coating guards the edges until first use. Rated 4.6 stars, they’re a no-fuss, two-blade deal you’ll appreciate.
- Blade Length:20-30/32 inches
- Center Hole Pattern:Bow tie
- Material:40MnB steel
- Blade Width:2-3/16 inches
- Package Quantity:2-pack
- Surface Coating:Rust-resistant coating
- Additional Feature:3-in-1 design capability
- Additional Feature:High-lift wing design
- Additional Feature:Rust-resistant coated edges
21″ Mulching Blade for Cub Cadet MTD Craftsman
Need a mulching blade that fits your Cub Cadet, MTD, or Craftsman mower without the guesswork? This 21-inch blade is your direct replacement for Troy-Bilt TB110 and Craftsman M100 models, swapping out OEM numbers like 742-0741. It’s forged from high-carbon steel with a rust-resistant coating, so you’ll tackle tough weeds without corrosion worries.
You get 50% better airflow thanks to that upgraded 32mm lift height versus the standard 28mm. This prevents clogging, so you’re mowing faster with fewer stops.
- Precision shredding turns clippings into natural fertilizer for your lawn.
- Bow tie center hole only fits Bow Tie spindles.
- Easy to sharpen for long-term use.
It’s durable, lightweight at 1.7 pounds, and scores a solid 4.5 stars from 111 users.
- Blade Length:21 inches
- Center Hole Pattern:Bow tie
- Material:High-carbon steel
- Blade Width:2-1/4 inches
- Package Quantity:Not specified
- Surface Coating:Rust-resistant coating
- Additional Feature:Upgraded 32mm lift height
- Additional Feature:50% enhanced airflow lift
- Additional Feature:High-carbon steel construction
Maxpower Commercial Mulching Blade Set 46
For 46-inch Craftsman, Husqvarna, and Poulan owners, this commercial grade set is the best choice if you’re after serious mulching durability. You’re getting two USA made blades, each 22-7/8 inches long with a 5-point star center hole. They’re powder coated to resist rust, but don’t worry when that coating wears off. That’s just revealing the precisely sharpened edge underneath. These blades meet or exceed OEM specs, replacing part numbers 403107 and 532403107. With over 1,100 reviews and a 4.6 star rating, you’re buying proven performance. Just verify your mower’s OEM part numbers first.
- Blade Length:22-7/8 inches
- Center Hole Pattern:5-point star
- Material:Not specified (USA-made)
- Blade Width:2-1/2 inches
- Package Quantity:2-pack
- Surface Coating:Powder coated
- Additional Feature:Fits 46-inch deck mowers
- Additional Feature:Two blades included
- Additional Feature:5-point star center hole
Factors to Consider When Choosing a Mulching Blade for Lawn Mower
When you’re picking a mulching blade, you have to weigh blade material durability, compatibility with your mower, and deck size requirements. But don’t overlook cutting performance quality and the design’s airflow, since those determine how finely it chops clippings. And remember, a blade that fits perfectly but lacks proper lift won’t give you that clean, even mulch you’re after.
Blade Material Durability
Since you’re after a blade that’ll hold up season after season, the steel quality is your main focus here. High-carbon or heavy-duty alloy steels resist wear and deformation far better than lighter composites. Look for a thickness between 1/8 and 1/4 inch; that beefy material withstands impacts without bending. Heat-treated steel adds serious longevity by boosting hardness and crack resistance. And don’t overlook powder coating: it prevents corrosion, keeping the blade’s integrity intact longer.
You’ll want these specifics:
- Steel type: High-carbon or alloy for maximum durability.
- Thickness: Aim for 1/8 to 1/4 inch to avoid warping.
- Heat treatment: Extends lifespan through enhanced hardness.
- Coating: Powder coating blocks rust.
Skip anything flimsy. A durable blade saves you replacements and keeps mulching efficient.
Compatibility With Mowers
You’ve got a durable blade picked out, but it won’t do you a lick of good if it doesn’t fit your mower. First, match the blade’s length, width, and thickness to your deck’s specs. That’s non-negotiable. Next, verify the center hole pattern—bow tie or star shaped—aligns with your spindle mount. A mismatch means no install.
Check the OEM part number against your existing blade; that’s your compatibility shortcut. Also, confirm the blade suits your mower’s brand and model, since different brands use unique mounting interfaces. Always review manufacturer guidelines or product descriptions. They’ll tell you exactly which makes and models work. Do this homework, and you’ll avoid a frustrating return.
Deck Size Requirements
First, make sure your mulching blade matches your mower deck size exactly. Deck size is usually measured in inches, like 21 inches or 42 inches. You need a blade length that fits those dimensions perfectly. Don’t guess; measure your existing blade or check your mower’s manual first.
A blade that’s too short or too long won’t fit right, causing imbalance, vibration, or even damage. And blade width matters too. It needs to correspond with your deck width for full coverage and effective mulching.
Stick with blades designed specifically for your deck size. You’ll avoid headaches and get a smooth cut every time. Plus, you won’t risk throwing off the mower’s balance. It’s a simple step that saves you trouble later. Just match it up, and you’re good to go!
Cutting Performance Quality
Two key factors really determine cutting performance quality in a mulching blade: the edge design and the airflow engineering. You want a razor-sharp edge that slices grass cleanly, not tears it, so you don’t have to make multiple passes. A high-lift, curved design keeps clippings suspended for re-cutting, turning them into fine, nutrient-rich pieces.
Durability matters too. Forged steel or powder-coated surfaces hold their edge longer, so you’re not constantly sharpening mid-season. And a well-made blade resists clogging, even in thick or damp grass, so your cut stays consistent without hiccups.
Look for precision grinding and balanced weight distribution; those details separate a blade that merely spins from one that truly mulches.
Design and Airflow
Because the blade’s curvature directly dictates how air moves under your deck, getting the design right is everything. You’re looking for a blade that creates strong upward airflow, literally lifting those grass clippings for a second chop. A well-constructed design with the right wing shape and cutting angles circulates air efficiently, reducing clogging even when you’re tackling thick or damp grass. Pay close attention to the blade geometry; it’s not just about sharpness. A smart surface coating can also help you glide through tough conditions without gunk building up. That consistent airflow is your secret weapon, giving you a cleaner cut and a healthier lawn without the mess.
Installation Ease
Once you’ve got the airflow dialed in, the next thing you’ll face is actually getting that blade onto your mower. Don’t let a tricky installation kill your momentum. First, check the center hole pattern. It must match your spindle’s shape for a secure, wobble free fit. Look for blades with clear mounting guides or orientation indicators, like marked lifting edges, so you won’t second guess which side faces up. Durable materials matter too. A blade you can easily sharpen later means fewer adjustments down the road. And if you’re swapping hardware, choose blades that include compatible mounting accessories or adapters. That saves you a trip to the hardware store. Honestly, a blade that goes on smoothly makes the whole mulching gig feel effortless.
Brand and Warranty
Why should you care about the name on the box when picking a mulching blade? A reputable brand gives you two things: guaranteed compatibility and a solid warranty. You don’t want a blade that wobbles or chips on the first use. Well-known brands back their products, often offering coverage against manufacturing defects for a year or more. That’s peace of mind, plain and simple.
Before you buy, check the warranty explicitly covers mulching performance and durability. Not all do. An all-encompassing warranty saves you hassle if the blade fails early, and it shows the company stands behind its work. Stick with trusted names you recognize. You’ll avoid the headache of a cheap blade that doesn’t fit or breaks mid-season. Remember, a good warranty isn’t just a promise. It’s your safety net.
Price and Value
Three factors make price and value a balancing act with mulching blades: upfront cost, lifespan, and performance. You’ll find cheaper blades starting around $10, but they often dull faster or rust out, forcing you into replacement cycles that spike your long-term spending. Instead, look for premium models priced $25 to $50. They bring corrosion resistance and precision sharpening, giving you cleaner cuts that last season after season. To get the best deal without overpaying, compare prices across multiple retailers. That way, you snag the highest quality at the lowest price, maximizing your value. Remember: a blade’s true cost isn’t just its sticker, it’s how many years (or mulching jobs) it survives before quitting on you.