You have likely cut your grass with a blade that was dull before you even bought it. Most mowers come stock with stamped steel that flexes, dulls quickly, and hacks through your lawn instead of slicing. The ten blades ahead fix that, built from forged steel with protective coatings for sharper cuts, better airflow, and less effort. Upgrade yours right.
| 1Pcs 942-0741a Lawn Mower Blade Mulching for 21-Inch Deck Mowers |  | Best Budget Pick | Blade Length: 21 inches | Center Hole Type: Bow tie | Blade Functionality: Mulching | VIEW LATEST PRICE | Read Our Analysis |
| UDC Parts 532180054 Husqvarna 48 Inch Lawn Mower Blades Replacement 3 Pack |  | Heavy-Duty Choice | Blade Length: 16-3/4 inches (per blade) | Center Hole Type: 5-point star | Blade Functionality: Mulching, high-lift, general mowing | VIEW LATEST PRICE | Read Our Analysis |
| Grasscool 942-0741A Troy Bilt 21 inch Deck TB130 Lawn Mower Mulching Blade |  | Top Versatile | Blade Length: 20-7/8 inches | Center Hole Type: Bow tie | Blade Functionality: 3-in-1 (mulching, bagging, side discharge) | VIEW LATEST PRICE | Read Our Analysis |
| 21″ Mulching Blade for Cub Cadet MTD Craftsman |  | Editor’s Choice | Blade Length: 21 inches | Center Hole Type: Bow tie | Blade Functionality: 3-in-1 (mulching, bagging, side discharge) | VIEW LATEST PRICE | Read Our Analysis |
| Greenworks Replacement Lawn Mower Blade (Fits : 16′ Mower / 25322 / 25242) |  | Compact Fit | Blade Length: 15.75 inches | Center Hole Type: Not specified | Blade Functionality: Standard cutting | VIEW LATEST PRICE | Read Our Analysis |
| Maxpower 331528B USA MADE 21″ Cut Mulching Blade |  | Premium Durability | Blade Length: 21 inches | Center Hole Type: Bow tie | Blade Functionality: Mulching | VIEW LATEST PRICE | Read Our Analysis |
| MaxPower 2-Blade Set for 42″ Mowers |  | Best Value Set | Blade Length: 21 inches (per blade) | Center Hole Type: 5-point star | Blade Functionality: Standard cutting (for 42-inch deck) | VIEW LATEST PRICE | Read Our Analysis |
| EGO POWER+ 21″ Blade for Electric Mowers (AB2100) |  | Best for Electric | Blade Length: 21 inches | Center Hole Type: Not specified | Blade Functionality: 3-in-1 (mulching, bagging, side discharge) | VIEW LATEST PRICE | Read Our Analysis |
| EGO POWER+ 21″ Mulching Blades 2-Pack |  | Mulching Master | Blade Length: 21 inches | Center Hole Type: Not specified | Blade Functionality: Mulching and bagging | VIEW LATEST PRICE | Read Our Analysis |
| GICOOL 942-0741A Mulching Mower Blade Fits 21″ MTD/Troy-Bilt Mower 1 PK |  | Most Compatible | Blade Length: 20-30/32 inches | Center Hole Type: Bow tie | Blade Functionality: 3-in-1 (mulching, bagging, side discharge) | VIEW LATEST PRICE | Read Our Analysis |
More Details on Our Top Picks
1Pcs 942-0741a Lawn Mower Blade Mulching for 21-Inch Deck Mowers
If you’ve got a Troy-Bilt or Craftsman 21-inch walk behind, you don’t need to overspend for a blade that performs. This 942-0741A replacement fits models like the TB110, TB230, M250, and M110. Its aerodynamic design with multiple curves creates strong airflow, boosting bagging capacity by up to 50 percent. You get a 21-inch length, 2-1/4 inch width, and 9/64 inch thickness, with a 1-1/8 inch lift height. That center bow tie hole matches your spindle pattern perfectly. Built from high-strength steel with heat treatment, this blade delivers neat, scissor-like cuts through tough weeds and uneven terrain.
- Blade Length:21 inches
- Center Hole Type:Bow tie
- Blade Functionality:Mulching
- Material:High-strength steel (heat treated)
- Blade Width:2-1/4 inches
- Blade Thickness:9/64 inches
- Additional Feature:Aerodynamic multi-curve design
- Additional Feature:Up to 50% bagging increase
- Additional Feature:High-strength heat-treated steel
UDC Parts 532180054 Husqvarna 48 Inch Lawn Mower Blades Replacement 3 Pack
You need a reliable set of blades for your 48-inch Husqvarna, and this UDC Parts 3-pack is a heavy-duty choice. Each blade measures about 16 3/4 inches diagonally, with a 5-point star center hole and a 2 1/2-inch width, so they’ll drop right onto your deck without fuss. They’re made from high-strength steel, pre-sharpened, and coated with a safety finish that wears off as you mow letting you safely resharpen later.
These blades work for mulching, high lift, or general cutting across many models:
- Fits YTH24V48, YTH2348, Z4824, and more Husqvarna models.
- Also compatible with Craftsman, Poulan, and Jonsered 48-inch decks.
Plus, you get a one-year warranty against defects. Solid value!
- Blade Length:16-3/4 inches (per blade)
- Center Hole Type:5-point star
- Blade Functionality:Mulching, high-lift, general mowing
- Material:High-strength steel
- Blade Width:2-1/2 inches
- Blade Thickness:Not specified
- Additional Feature:5-point star center hole
- Additional Feature:Pre-sharpened safety finish
- Additional Feature:3-pack set
Grasscool 942-0741A Troy Bilt 21 inch Deck TB130 Lawn Mower Mulching Blade
The Grasscool 942-0741A is the best choice for homeowners with a 21-inch Troy-Bilt, MTD, or Craftsman mower who need a single blade that handles everything. You get a true 3-in-1 design: mulching, bagging, and side discharging. It’s built from tough 40MnB steel, measuring 20 7/8 inches long. That high-lift design helps reduce weed seed heads, and it won’t clog on damp grass. Plus, it handles weedy lawns or debris-filled yards with ease. The painted edges resist rust during installation, but the paint wears off naturally without affecting performance. Just sharpen it regularly for your standard lawn care routine.
- Blade Length:20-7/8 inches
- Center Hole Type:Bow tie
- Blade Functionality:3-in-1 (mulching, bagging, side discharge)
- Material:40MnB steel
- Blade Width:2-1/4 inches
- Blade Thickness:9/64 inches
- Additional Feature:3-in-1 mulching function
- Additional Feature:40MnB steel construction
- Additional Feature:Clog-resistant wet grass operation
21″ Mulching Blade for Cub Cadet MTD Craftsman
Editor’s choice in 21-inch mulching blades? You’re looking at a forged high-carbon steel upgrade that delivers a 50% boost in grass collection airflow. That means fewer bag stops and less clogging. This blade fits Bow Tie spindles only, so check your mower’s center hole before you buy. It’s compatible with a huge range of Troy Bilt and Craftsman models, replacing parts like 742-0741. The 3-in-1 design handles mulching, bagging, and side discharge. Plus the rust-resistant coating extends its life. Just sharpen it when needed. Simple, tough, and built for efficiency.
- Blade Length:21 inches
- Center Hole Type:Bow tie
- Blade Functionality:3-in-1 (mulching, bagging, side discharge)
- Material:Forged high-carbon steel
- Blade Width:2-1/4 inches
- Blade Thickness:9/64 inches
- Additional Feature:Upgraded airflow lift
- Additional Feature:Forged high-carbon steel
- Additional Feature:50% grass collection increase
Greenworks Replacement Lawn Mower Blade (Fits : 16′ Mower / 25322 / 25242)
Need a precise replacement for your Greenworks 16-inch mower? This blade fits models 25322 and 25242 exactly, with a 15.75-inch length that delivers that clean, even cut you’re after. It’s forged from a single piece of alloy steel, so you’re getting serious durability without the fuss. Weighing just over 11 ounces, it’s easy to handle during installation. Whether you’re using a corded or cordless electric mower, this blade keeps your lawn looking sharp. Amazon’s 30-day return policy has you covered, and customer reviews back its performance. A solid, straightforward upgrade for your mower!
- Blade Length:15.75 inches
- Center Hole Type:Not specified
- Blade Functionality:Standard cutting
- Material:Alloy steel (forged)
- Blade Width:1.97 inches
- Blade Thickness:Not specified
- Additional Feature:Forged alloy steel
- Additional Feature:Fits 16-inch mowers
- Additional Feature:Single-piece construction
Maxpower 331528B USA MADE 21″ Cut Mulching Blade
If you own an MTD, Cub Cadet, Troy-Bilt, or Craftsman mower, this MaxPower blade delivers premium durability. It’s a 21-inch mulching blade, made right here in the USA. You’ll get a precision sharpened edge once that powder coating wears off during your first cut. That coating protects against rust until you’re ready to mow.
This blade replaces OEM numbers like 742-0741 and 942-0641. It measures 2-1/4 inches wide and features a bow tie center hole.
Here’s what fits:
- Cub Cadet CC and SC series
- Troy-Bilt TB 105 through TB 490 XP
- Craftsman and MTD models like PR 521
And it weighs just 1.6 pounds. Easy swap, serious performance.
- Blade Length:21 inches
- Center Hole Type:Bow tie
- Blade Functionality:Mulching
- Material:Steel (USA-made, powder coated)
- Blade Width:2-1/4 inches
- Blade Thickness:Not specified
- Additional Feature:USA-made construction
- Additional Feature:Powder-coated protection
- Additional Feature:Precision-sharpened edge
MaxPower 2-Blade Set for 42″ Mowers
You get solid value from the MaxPower 2-Blade Set for 42” Mowers. These 21-inch long, 2-1/4-inch wide blades feature a 5-point star center hole, fitting Poulan, Husqvarna, and Craftsman models. Made in the USA, they’re sharpened during manufacturing and powder coated for protection. That coating wears off during first use, revealing a precision edge.
Before buying, verify your current blade’s OEM number against the replacements: 127843, 138498, 138971, 138971X431, 532138971, 532127843, 532138498, or CMXGZAM110136. Weighing about 3.9 pounds, these blades deliver durability and clean cuts. They earn a stellar 4.6-star rating. Plus, a manufacturer’s warranty is available upon request.
- Blade Length:21 inches (per blade)
- Center Hole Type:5-point star
- Blade Functionality:Standard cutting (for 42-inch deck)
- Material:Steel (USA-made, powder coated)
- Blade Width:2-1/4 inches
- Blade Thickness:Not specified
- Additional Feature:2-blade set
- Additional Feature:5-point star center hole
- Additional Feature:USA-made precision edge
EGO POWER+ 21″ Blade for Electric Mowers (AB2100)
The EGO POWER+ 21″ Blade (AB2100) is your go-to for electric mower owners wanting genuine OEM performance. It’s factory-sharpened steel, so you get clean, sharp cuts right out of the box. This 3-in-1 blade handles mulching, bagging, and side discharging, giving you versatile lawn care. You’ll find it compatible with models like LM2101 and LM2100SP, and it cuts at a single 3.5-inch height. Weighing about 1.1 pounds, it’s lightweight yet durable. Customer reviews average 4.8 stars from over 2,400 ratings, so you’re buying a proven performer. And with a 30-day return policy, you’re covered.
- Blade Length:21 inches
- Center Hole Type:Not specified
- Blade Functionality:3-in-1 (mulching, bagging, side discharge)
- Material:Factory-sharpened steel
- Blade Width:Not specified
- Blade Thickness:Not specified
- Additional Feature:Factory-sharpened steel
- Additional Feature:Genuine EGO part
- Additional Feature:Fits Select Cut models
EGO POWER+ 21″ Mulching Blades 2-Pack
Mulching masters know the secret to a healthy lawn: fine grass clippings that feed the soil. With the EGO POWER+ 21” Mulching Blades 2-Pack, you’ll get exactly that. These genuine steel blades work in your compatible Select Cut™ mower (models like LM2130 or LM2156SP). The lower blade converts clippings into fine fragments, while the upper blade delivers precise cuts. Swap them easily with the High Lift Bagging Blade in EGO’s Multi-Blade System. Each pack gives you two replacements, and they’re built tough for consistent performance. Nuts and bolts aren’t included, but your lawn will thank you.
- Blade Length:21 inches
- Center Hole Type:Not specified
- Blade Functionality:Mulching and bagging
- Material:Steel (all-steel)
- Blade Width:1.97 inches
- Blade Thickness:Not specified
- Additional Feature:Two-blade system design
- Additional Feature:Multi-Blade System compatible
- Additional Feature:Steel mulching blade set
GICOOL 942-0741A Mulching Mower Blade Fits 21″ MTD/Troy-Bilt Mower 1 PK
GICOOL 942-0741A Mulching Mower Blade is most compatible with 21″ MTD and Troy-Bilt mowers, but it also fits your Cub Cadet, Craftsman, and Yard Machines models. You’re getting a blade forged from durable 40MnB steel, with a rust-resistant coating that wears off naturally during use. It’s a multi-curve design that supports three modes: mulching, bagging, and side discharging. The high-lift wing boosts airflow for better bagging, while the fine chopping turns grass into rich mulch. Blade length is about 20.9 inches, width 2.2 inches, with a thickness of 3.5 mm. The bow tie shaped center hole guarantees a secure fit. That’s precision cutting for a healthier lawn!
- Blade Length:20-30/32 inches
- Center Hole Type:Bow tie
- Blade Functionality:3-in-1 (mulching, bagging, side discharge)
- Material:40MnB steel
- Blade Width:2-3/16 inches
- Blade Thickness:9/64 inches
- Additional Feature:40MnB steel construction
- Additional Feature:High-lift airflow wing
- Additional Feature:Multi-curve design
Factors to Consider When Choosing a Blade for Lawn Mower
So when you’re picking a new blade for your mower, you’ll need to weigh a few key factors. Blade material quality determines how long it’ll stay sharp, while cutting width and center hole pattern must match your mower’s deck size for a proper fit. And don’t forget your goal: a mulching blade handles clippings differently than a bagging one, so choose based on how you prefer to manage your lawn.
Blade Material Quality
When you’re choosing a lawn mower blade, the material quality is everything—it’s what separates a blade that lasts for seasons from one that dulls after a few passes. You want hardened steel or alloy steel, plain and simple. These materials undergo heat treatments like hardening and tempering, so they handle tough mowing without chipping or bending. Look for corrosion-resistant coatings, like powder coating or protective paint, to fend off rust and extend the blade’s life.
A good blade holds its edge longer, meaning you’ll sharpen or replace it less often. That durability really matters when you’re chewing through overgrown weeds, debris, or uneven terrain. Don’t settle for soft steel or cheap alloys. They’ll dull fast and leave you frustrated mid-season. And remember: a high-quality blade isn’t an expense; it’s an investment in a cleaner cut and fewer headaches down the road.
Cutting Width Compatibility
Alright, you’ve sized up the blade material, so now let’s make certain the blade actually fits your machine. You need to match the blade’s cutting width to your mower deck’s width for even, efficient cuts. A wider blade covers more ground faster, boosting mowing efficiency. But grab a blade that’s too narrow, and you’ll leave uneven strips and incomplete coverage, frustrating you with patchy results. Verify your mower’s model compatibility by checking the manufacturer’s specifications for the exact cutting width. Getting this right isn’t just about fit; it optimizes airflow for better mulch performance and overall effectiveness. So, before you buy:
- Measure your deck’s width precisely.
- Cross reference with the blade’s listed cutting width.
- Confirm it matches for smooth, one pass mowing.
Nail this step, and you’re golden!
Center Hole Pattern
Once you’ve nailed the cutting width, it’s time to focus on the center hole pattern, because that’s what locks your blade onto the mower’s spindle. Get this wrong, and you’re asking for trouble: improper fitment, poor performance, or even damage to your machine.
You’ll find a few common designs: the Bow Tie shape, a star pattern, or a simple bolt hole. Each one matches a specific spindle type. For instance, the Bow Tie ensures balanced rotation on certain mowers, but you’ll need to verify yours. Don’t guess. Check your owner’s manual or pull the old blade off to compare.
Mulching Versus Bagging
Why does your mowing style matter when picking a blade? Because mulching and bagging blades tackle completely different jobs, and using the wrong one hurts your lawn.
A mulching blade’s curved, scoop-like shape finely chops grass into tiny fragments that decompose fast, returning nutrients to the soil. It’s perfect for healthy, well-maintained lawns where you want natural recycling. You’ll get smaller, uniform clippings that promote greener growth.
Bagging blades, on the other hand, use an aggressive lift design to hurl clippings into the collector. They’re your go-to for removing excess debris or when you just want a spotless yard. Maximum collection capacity means no clumping, but you lose the fertilizer benefit.
Choose mulching for sustainability, bagging for a clean sweep. And don’t mix them up! Your mower’s performance depends on it.
Deck Size Matching
How do you make sure your new blade actually fits your mower? You match it to your deck size, plain and simple. Measure diagonally from tip to tip; that length is your golden number. Most decks run 21, 42, or 48 inches, and you’ll need a blade built specifically for that dimension.
Going too small gives you ragged, uneven cuts that’ll make your lawn look patchy. Oversized? That’s a disaster waiting to happen, as the blade can smack the housing or spindle, risking serious damage.
Before you bolt anything on, verify compatibility. Check your owner’s manual or the blade’s packaging for the deck size match. It’s a quick step that keeps your mower safe and your cutting crisp. Don’t guess; measure twice and buy once.
Blade Lift Height
Since lift height determines how high your grass gets pulled up before the blade slices it, it’s a key factor for a clean, even cut. Measured in inches, a standard lift of around 1-1/8 inches works for most mowing. But you’ll find higher lift blades generate more airflow, which boosts bagging and mulching efficiency markedly. Lower lift blades, however, excel at side discharging and tackle wet or overgrown grass without clogging, though they may leave a rougher finish. Your choice depends on your yard: for pristine bagging, go high; for tough, damp conditions, go low. This simple decision prevents uneven cutting and keeps your mower running smoothly.
Durability And Coating
When you’re choosing a lawn mower blade, durability and coating matter just as much as cutting performance. You want high-strength or forged steel, which withstands wear and impact without cracking. Heat treatment bumps up hardness, so your blade resists chipping and dulling through tough grass.
Now, about coatings. A protective paint or powder coating shields against rust and corrosion, giving you a longer lifespan. But here’s the kicker: as you mow, that coating naturally wears off at the cutting edge, revealing a sharpened surface that keeps slicing efficiently. So you get initial corrosion protection plus a self-sharpening benefit.
- Key benefits: Consistent performance, fewer replacements.
- What to look for: Quality material and durable coating.
Choose wisely, and your mower will thank you with clean, reliable cuts season after season.