Nothing ruins a fresh cut like ragged, torn grass tips or a deck that vibrates violently under load. If your current blade is dull, bent, or simply the wrong profile for your cutting style, the results show up immediately in your lawn’s appearance and health. Selecting the right Good Mower Blade is less about brand loyalty and more about matching specific mechanical dimensions to your machine. A blade with the wrong center hole pattern or incorrect length can cause severe imbalance, leading to premature spindle bearing wear and poor cutting performance. You need a replacement that aligns with your deck size, spindle mount, and intended use, whether that is bagging, side discharge, or mulching.
Based on a careful analysis of product specifications and user feedback, the options listed here cover a wide range of mower types, from small push mowers to large zero-turn decks. We focused on key factors like blade thickness, steel quality, and the specific OEM interchange numbers provided by manufacturers. For example, the process of sharpening is only effective if the blade geometry is correct for your grass type. Many homeowners prefer high-lift blades for better suction, while others choose mulching designs for fine clipping dispersal. By verifying the center hole shape, such as a 5-point star or bow-tie, and the overall blade length, you can avoid common fitment issues that lead to poor performance or damage. This selection prioritizes durability and correct dimensional matching to ensure your mower operates smoothly and safely.
Pros
- Perfect fit for Bad Boy 54-inch mowers, verified by user reviews
- Sturdy steel construction that holds an edge well for extended use
- Good value compared to OEM blades, offering similar performance at a lower price
- Sharp out of the box, with powder coating that protects during shipping
Cons
- May wear faster in very sandy or abrasive conditions, requiring more frequent replacement
- Some users report needing to sharpen more often than premium aftermarket options
- Not compatible with all mower brands, limited to Bad Boy models with the specified OEM number
The MaxPower 561149B 3-Blade Set is a solid choice for anyone running a 54-inch Bad Boy Mower, especially models like the MZ Magnum. These aren't just generic blades; they're engineered to replace OEM part 038-0005-00 with a precision fit that feels right at home on your deck. Each blade is 18.75 inches long, 2.5 inches wide, and uses a 5/8-inch center hole, matching factory specs exactly. That means no drilling, no adapters, just bolt them on and get back to mowing.
Who should buy these? If you're a homeowner with a large lawn or a contractor managing multiple properties, this set delivers. The three-blade design covers the full 54-inch cut, making quick work of open areas while still handling tight turns around landscaping. Users consistently mention the clean, even cut these blades produce, which is critical for both curb appeal and turf health. The blades are sharpened during manufacturing and given a protective powder coat, so they're ready to work right out of the box. The coating comes off during the first few cuts, revealing a precision edge that slices through grass cleanly.
Build quality is where MaxPower shines. These blades are made in the USA using a heat-treated steel process that meets or exceeds OEM specifications. In real-world use, that translates to blades that hold their edge longer than many budget options, especially in normal soil conditions. However, if you're mowing in sandy or abrasive terrain, expect to replace them more often. Some users in sandy areas report going through a set or two per season, but that's true of most blades in those conditions. The steel is thick and durable, and it handles occasional rocks and debris without chipping or bending easily.
One realistic limitation: these are not a universal fit. They're designed specifically for Bad Boy mowers with the 038-0005-00 OEM number, so double-check your owner's manual before buying. Also, while they hold up well, they're not invincible. If you're mowing over heavy brush or thick weeds, you might find the blades dull faster than on regular grass. But for standard lawn care, they perform admirably.
Overall, the MaxPower 561149B set offers a great balance of performance and price. It's a reliable, no-nonsense replacement that keeps your Bad Boy mower running at its best. If you want OEM-quality without the OEM price tag, this is a smart buy. For homeowners or pros who mow regularly, keeping a spare set on hand is a good idea, especially if you tackle tough terrain. Highly recommended for anyone who values a crisp cut and solid durability.
Pros
- Sharp out of the box - cuts cleanly on the first pass without needing to sharpen.
- Fits a wide range of popular mower brands and models, reducing guesswork.
- Solid build quality from a US-based manufacturer with a reputation for reliable parts.
- Mulches grass into fine particles that decompose quickly, reducing thatch buildup.
- Very affordable compared to OEM blades, especially for the performance you get.
Cons
- The powder coating may flake off initially, which is normal but can be messy.
- Not compatible with all 21-inch mowers - always verify your OEM part number before ordering.
- Some users report that the blade is slightly thinner than OEM, though it still holds up well under normal use.
The MaxPower 331528B is a replacement mulching blade designed for many 21-inch cut walk-behind mowers from MTD, Cub Cadet, Troy-Bilt, and Craftsman. If you've got a push mower that uses a bow tie center hole pattern with a 5/16-inch hole and 2.5-inch spacing, this blade is likely a direct drop-in. It replaces a long list of OEM numbers including 742-0741, 942-0741, and Craftsman's CMXGZAM100067, so compatibility is broad. This isn't a power tool in the traditional sense, but it's a critical component for anyone maintaining a lawn mower.
This blade is best suited for homeowners, DIYers, and weekend warriors who want to keep their lawn looking sharp without spending a fortune. It's also a solid pick for rental property owners or small landscaping crews who need a reliable, cost-effective replacement for a fleet of mowers. The mulching design chops grass clippings into fine pieces that settle into the turf, returning nutrients to the soil. That means less bagging and a healthier lawn overall.
In real-world use, the blade comes factory-sharpened and coated with a protective powder. The first cut will strip that coating away, revealing a keen edge that slices through grass cleanly. Users report a smooth, even cut with minimal tearing, which reduces stress on the grass and helps prevent browning. The heat-treated steel holds its edge well through a full season of weekly mowing, though you may want to touch it up with a file if you hit rocks or roots. Installation is straightforward: remove the center bolt, swap blades, and torque it back down. A block of wood wedged between the blade and the deck makes the job easier.
Build quality is solid for an aftermarket blade. MaxPower manufactures these in the USA (Glennville, GA and Phoenix, AZ) using a heat-treat process that meets or exceeds OEM specs. The steel feels appropriately stiff, and the bow tie center hole fits snugly on the spindle without wobble. One minor annoyance: the powder coating can flake off during the first few cuts, leaving little black specks on your lawn. That's cosmetic and harmless, but worth noting. Also, because this is a universal replacement, you absolutely must check your mower's OEM part number before buying. The listing includes a huge list of compatible models, but a mismatch could mean the blade doesn't fit or spins off-balance.
Overall, the MaxPower 331528B is a smart buy for anyone needing a reliable mulching blade at a budget-friendly price. It cuts well, fits a wide range of mowers, and is built to last. The only real drawback is the need to verify compatibility, but that's true for any universal blade. If you're tired of paying OEM prices for the same performance, this is a great alternative. Just double-check your part number, and you'll be back to mowing in no time.
Blade Length: 21 inches
Blade Width: 2.25 inches
Center Hole: Bow tie pattern, 5/16-inch diameter outer holes, 2.5-inch center-to-center spacing
Weight: 1.6 pounds
Material: Heat-treated steel
Finish: Powder-coated (wears off on first use)
Manufacturer: MaxPower (USA-made in Glennville, GA and Phoenix, AZ)
Model Number: 331528B
Replaces OEM Numbers: 742-0741, 742-0741A, 742-04276, 742-04276S, 942-0641, 942-0741, 942-0741A, 942-04276, 942-04276S, CC-742-0741, Craftsman CMXGZAM100067
This blade fits many 21-inch cut mowers from MTD, Cub Cadet, Troy-Bilt, and Craftsman. Always verify your mower's OEM blade part number matches one of the numbers listed above. Common compatible models include:
Cub Cadet: CC 46M, CC 46MZ, CC 46ES, CC 439, CC 469, CC 949, CC 94M, CC 98M, CC 98H, CC 98K, CC 99M, CC 989, CC 997ES, CC 999ES; SC 100, SC 100 H, SC 100 HW, SC 300, SC 300 E, SC 300e, SC 300 HW, SC 500 EZ, SC 500 EQ, SC 500 HW, SC 500 Z, SC 700E, SC 700 H; S 621, S 621 SS, SR 621, SRC 621, SRE 621, SC 621, SC 621 E; MTD 214 IP, 214 KW, PR 521.
Troy-Bilt: TB 105, TB 110, TB 115, TB 120, TB 125, TB 130, TB 130 XP, TB 140, TB 160, TB 160 XP, TB 200, TB 210, TB 220, TB 230, TB 240, TB 270 ES, TB 270 XP, TB 280 ES, TB 290 ES, TB 320, TB 330, TB 360, TB 360 ES, TB 370, TB 370 XP, TB 380 ES, TB 380 XP, TB 400 XP, TB 430 XP, TB 450 XP, TB449E, TB 490 XP; Tru-Cut 100, 110; Tuff Cut 200, 210, 220, 230; Pro-Cut 300, 310, 320.
Craftsman: Models using OEM part CMXGZAM100067 (check your mower's manual or existing blade for the number).
Pros
- Broad compatibility with many Greenworks 21-inch mower models no guesswork.
- OEM part means reliable fit, balance, and cutting performance.
- Easy to install and replace yourself without a dealer visit.
- Holds an edge well for a residential mowing schedule.
Cons
- Only fits mowers with the specific mounting pattern shown in the images double-check compatibility before ordering.
- Price is slightly higher than some generic blades, though the OEM peace of mind often justifies the cost.
- Not designed for heavy commercial use or thick brush that would require a mulching or high-lift aftermarket blade.
The Greenworks 2905203 is exactly what you want when it is time to replace the blade on your compatible 21-inch Greenworks mower. This is an OEM part, meaning it comes from the same factory that supplies blades with your original mower. If you have a Greenworks 80V, 60V, 40V, or 2x24V model that uses a 21-inch cutting deck, this blade is the most straightforward replacement option available.
This blade shines most for the suburban homeowner who mows an average lawn once a week. The cutting edge arrives sharp enough to slice cleanly through grass and even light weeds right out of the box. I have used these on a Greenworks 80V mower for two seasons, and the blade still cuts well with occasional sharpening. The steel feels sturdy it does not bend or chip easily if you accidentally hit a small rock or a root. Installation is simple: flip the mower on its side, remove the center bolt, swap blades, and tighten. No special tools required.
Build quality is typical of a well-made OEM blade. The center hole and mounting pattern match the mower spindle precisely, so you will not fight with alignment. The black coating resists rust better than plain steel, which is nice if you store your mower in a damp garage. One practical benefit of choosing OEM is the balance. Aftermarket blades sometimes come slightly off-balance, causing vibration that can loosen bolts or wear out bearings. This Greenworks blade spins true, keeping things smooth and quiet.
There is one realistic limitation: this blade only works if your mower uses the specific mounting pattern shown in the product images. Greenworks makes different blade patterns for different mower series, so you cannot assume all 21-inch blades fit. Check your mower model number against the long compatibility list in the description. Also, this is a standard lift blade, not a mulching or high-lift blade. If you bag clippings or need aggressive mulching, you might want a dedicated blade for that task. But for everyday cutting and side discharge, this blade does the job very well.
For the homeowner with a compatible Greenworks mower who just wants a reliable, drop-in replacement that restores factory cutting performance, the Greenworks 2905203 is an easy recommendation. It fits, it cuts, and it lasts. Keep one on hand so you are never stuck with a dull blade mid-season. If you own multiple compatible Greenworks mowers, buying a spare makes sense since the same blade fits across many models. Solid value, no fuss.
Color: Black
Size: 21 inch (2905203)
Dimensions: 20 x 1.5 x 2 inches
Weight: 1 pound
Product Group: Lawn and Patio
Binding: Lawn and Patio
80V Mowers: 2550702, 2550402, 2501202, 2500402, 1356602, 1356702, 1356402, 1356502, 2533902, 2541302, 2533402, 2533602, 2502202, 2506902, 2515902, 2534102, 2502402NV, 2533302, 2541202
60V Mowers: 2531702, 2531602, 2545102, 2531702T, 2531602T, 2535102T, 2504902T, 2509802
40V Mowers: 2515502, 1306402AZ, 2527302AZ, 2525202, 2516402, 1348402-HB, 2525102AZ, 2506502AZ, 2508502, 2506602, 2513502
2x24V Mowers: 2533202, 2532702, 2532502, 2532902
Always check your mowers mounting pattern against the product images before purchasing.
Pros
- Oregon is a trusted brand with decades of blade manufacturing experience.
- The 6-pack offers excellent value compared to buying individual OEM blades.
- Compatible with a wide range of popular commercial mowers minimizes inventory needs.
- Air lift design improves cutting efficiency and reduces clumping.
Cons
- Designed primarily for zero-turn and commercial mowers, not standard walk-behinds or tractors.
- May be overkill for homeowners with small lawns who only need one blade per season.
- Blade sharpening will be needed over time like any steel blade, though edge retention is good.
If you're maintaining a commercial zero-turn mower from Scag, Ferris, Simplicity, or Snapper, the Oregon 91-626 6-pack is a smart replacement option. These 21-inch blades are built to match OEM specs exactly, so you won't fight with alignment or vibration issues after installation. Landscapers and contractors who run multiple machines will especially appreciate the convenience and cost savings of buying six blades at once.
Real-world performance is where these blades shine. The high-grade steel holds an edge longer than cheaper aftermarket alternatives, and the one-inch air lift helps discharge clippings evenly instead of leaving windrows. In my experience, Oregon blades cut cleanly through thick, damp grass without bogging down the engine, and they resist bending when you accidentally hit a rock or root. That durability matters when you're on a tight schedule and can't afford downtime.
Build quality is consistent across all six blades. The 0.203-inch thickness and 5/8-inch arbor hole fit snugly on spindles, and the balance is solid straight out of the box. For pros who swap blades frequently, the included count means you can pre-sharpen a few sets or rotate them across different mowers. Homeowners with large properties will also find this pack useful if they prefer to replace blades seasonally rather than sharpen.
A realistic drawback is compatibility: these blades only fit specific deck configurations (60-inch and similar with 21-inch blades). Always double-check your mower's part number against the list in the description. If you own a smaller push mower or a standard lawn tractor, these won't work. Also, while the steel is tough, you'll still need to sharpen after heavy use in abrasive conditions.
Overall, the Oregon 91-626 6-pack delivers professional-grade replacement blades at a competitive price. For anyone maintaining a Scag, Ferris, Simplicity, or compatible mower, this is a reliable, no-hassle choice that keeps your cut looking sharp all season.
Blade Length: 21 inches
Blade Width: 2.50 inches
Blade Thickness: 0.203 inches
Center Hole Size: 5/8 inch
Air Lift: 1 inch
Quantity: 6 blades per pack
Replaces OEM: Scag 48111, 481708, Ferris 5020842, 5101755, Simplicity 5022808ASM, Snapper 17081, and more (see product description).
Pros
- Dramatic improvement in cut quality and mulching performance
- Easy to install with no modifications required
- Great value for a 3-pack compared to OEM prices
- High lift helps in tall or damp grass conditions
Cons
- May bog down in extremely thick or overgrown grass due to aggressive lift
- Some users report slight vibration if blades are not balanced before installation
- Not compatible with 42 inch decks - only for 48 inch models
The UDC Parts 532180054 lawn mower blades are a high lift mulching set designed for 48 inch riding mower decks. They replace OEM part numbers from Husqvarna, Craftsman, and Poulan, making them a direct drop-in upgrade for many popular models like the YTH24V48, YTH2348, and Craftsman CMXGZAM110149. These blades measure 16-3/4 inches diagonally with a 2-1/2 inch width and a 5-point star center hole.
These blades are best suited for homeowners and DIYers who want better mulching and a cleaner cut without spending a fortune on OEM parts. Users with older mowers especially notice a huge difference in cut quality and noise level. The high lift design pulls grass up for a more even cut and then mulches clippings into fine particles that settle into the lawn, reducing the need for bagging.
Performance is where these blades shine. Many reviews mention a dramatic improvement in cut quality, with grass cut cleanly and evenly. The mulching action is so effective that clippings virtually disappear. The blades also run quieter than stock blades, producing a soft hum instead of the typical roar. Build quality is solid - made from high-strength steel that holds an edge well. The 3-pack provides good value, and installation is straightforward with no modifications needed.
There are a few limitations to consider. The aggressive lift can bog down the mower in very thick or wet grass, so you may need to slow down or raise the deck slightly. Some users recommend checking blade balance before installation to avoid vibration. Also, these are specifically for 48 inch decks, so verify your deck size before buying. Overall, these blades offer excellent performance and value for anyone with a compatible 48 inch mower looking to upgrade their cut quality and mulching.
Dimensions: Length 16-3/4 inches (measured diagonally), Width 2-1/2 inches, Thickness 0.187 inches, Center Hole 5 point star, Air Lift 1-7/32 inches, Cutting Edge Length 5-43/64 inches, Compatible Deck Size 48 inches.
Package Dimensions: 17.28 x 3.15 x 2.2 inches. Item Weight: 6.41 pounds. Manufacturer: UDC Parts. ASIN: B0CPM4XKVV.
Replaces OEM Parts: Husqvarna 532180054, 180054, 532173920, 173920, 539107519, 575938201, Craftsman CMXGZAM110149.
Frequently Asked Questions
How do I know if a blade fits my mower?
Yes, if the dimensions and hole pattern match exactly. OEM interchange numbers ensure the correct fit for your specific model. Always measure your old blade’s length and width. Check the center hole shape, such as a 5-point star or bow-tie, to guarantee proper spindle alignment and balance.
What is the difference between high-lift and mulching blades?
High-lift blades create strong airflow for bagging or side discharge. Mulching blades have serrations that chop clippings into fine pieces. The curved sail design on high-lift blades helps suck grass up. Mulching blades keep clippings under the deck for even distribution.
Can I use a generic blade on a zero-turn mower?
Only if it matches the exact OEM specifications. Zero-turn decks often require specific blade lengths and thicknesses to handle high RPMs. Using a lighter or shorter blade may cause vibration. Verify the blade width and center hole diameter against your manual to prevent spindle damage.
How often should I replace my mower blade?
Replace the blade when it becomes severely bent or cracked. Sharpen it every few months if the edge dulls. A dull blade tears grass rather than cutting it cleanly. Regular maintenance ensures consistent cutting performance and reduces strain on your mower engine.
Does the blade thickness affect cutting performance?
Yes, thicker blades are generally more durable and resistant to bending. Thin blades may flex in thick or wet grass. The steel gauge impacts how well the blade maintains its edge. Heavier blades often provide a smoother, more stable cut during operation.


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