Nothing ruins a mowing session faster than a dull or mismatched blade leaving ragged, yellowing tips across your lawn. If your Poulan Pro push mower is struggling with wet grass or producing uneven cuts, the issue often traces back to the cutting edge and center hole geometry. Finding the correct 21 inch poulan pro lawn mower blade ensures proper spindle fitment and restores clean cutting performance. Many homeowners overlook how critical the center hole shape is for safe installation and balanced operation. A misaligned blade can cause severe deck vibration, straining the spindle bearings over time. We analyzed the specifications of the top options to help you identify the right fit for your specific deck model.
The five options listed here cover major OEM part numbers for Husqvarna, Craftsman, and Poulan Pro decks. Each blade is designed to match the 21-inch cutting width, ensuring consistent airflow and discharge efficiency. You need to verify the center hole diameter and bolt pattern before purchasing to avoid installation issues. Some blades feature a mulching serration for fine clipping pulverization, while others prioritize high-lift wing profiles for bagging. The steel gauge and heat treatment also matter for edge sharpness retention in tough turf. By matching the exact part number, you avoid the frustration of stripped splines or poor cutting quality. This careful analysis of manufacturer claims helps you make a confident buying decision.
Pros
- Direct replacement for popular OEM mower blade numbers
- Mulching performance is excellent for returning nutrients to the lawn
- High-lift design works well for bagging grass and leaves
- Affordable price for a quality steel blade
Cons
- Rust-resistant coating may wear off quickly in heavy use
- Not suitable for decks that require a star or oval center hole
- May require balancing before installation for best results
The GICOOL 406712 mulching blade is a solid replacement option for anyone with a 21 inch push mower from Craftsman, Husqvarna, Poulan, or other AYP brands. It's designed to handle all three common mowing modes: mulching, bagging, and side discharge. If you're a homeowner who wants a healthy lawn without spending a fortune on OEM parts, this blade delivers real value.
In real world use, the blade's multi-curve design does a great job of chopping clippings into fine pieces that decompose quickly. That means less thatch buildup and more nutrients going back into the soil. The high-lift wing also helps push clippings into the bag more efficiently, so you don't have to stop as often to empty it. For a typical suburban lawn, this blade handles the job without bogging down the mower.
Build quality is solid. The blade is made from 40MnB steel, which holds an edge well and resists bending under normal use. The rust-resistant coating is a nice touch, but it's mostly there to protect the blade during shipping and installation. It will wear off after a few mows, but that's normal for any coated blade. The 5/8 inch circle center hole makes mounting straightforward on most standard 21 inch mowers. Just make sure your deck uses a circle hole pattern, not a star or oval shape.
One thing to keep in mind: like most replacement blades, this one may need balancing before you install it. A simple blade balancer tool will tell you if it's off. It's a quick step that helps prevent vibration and uneven wear. Also, if you mow in very wet or tall grass, the mulching performance might be less effective. That's true for most mulching blades though.
Overall, the GICOOL 406712 is a smart buy for DIY homeowners who want a reliable, affordable blade that fits a wide range of popular mowers. It cuts well, mulches effectively, and works with bagging too. If you're tired of paying OEM prices for the same performance, this is a great alternative.
Length: 21 inches (533mm)
Width: 2-3/16 inches (55mm)
Thickness: 1/8 inch (3mm)
Air Lift: 1 inch (25mm)
Center Hole: Circle, 5/8 inch (16mm)
Blade Type: Mulching
Material: 40MnB Steel
Color: Black
Compatible OEM Numbers: 165833, 175064, 189028, 406712, 176135, 159267, 175052, 406706, 532165833, 532175064, 532176135, 532189028, 532159267, 532175052, 532406712, 532406706
Compatible Mower Models: AYP 21 inch deck models including PH65Y21RHP, PO500N21R, PO500N21RH, PO500N21RHX, PO500N21RH3, PR160N21CHC, PR160Y21RDP, PR600Y21RP, PR160Y21RPC, PR550N21R, PR550N21RH3, PR550N21RX, PR600N21RH, PR600N21RHX, PR600N21RHC
This blade is best suited for homeowners with a 21 inch push mower who want a 3-in-1 blade for mulching, bagging, and side discharge. It's ideal for regular lawn maintenance on medium sized yards where you want to return nutrients to the soil. The high-lift design also makes it a good choice if you frequently bag leaves in the fall. Not recommended for commercial mowing or decks with non-circular center holes.
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
- Excellent mulching capability for leaves and grass clippings
- Long-lasting edge retention due to quality steel
- Wide compatibility with multiple mower brands
- Easy to install with standard hardware
Cons
- May not fit all mower decks; always verify center hole and offset
- No included hardware or installation instructions in package
- Some users report slight imbalance requiring rebalancing after installation
The Oregon 21 inch lawn mower blade is a direct replacement designed for popular walk-behind mowers from Craftsman, AYP, Poulan, and Honda. It is best suited for homeowners and DIYers who want to restore their mower's cutting performance without paying OEM prices. This blade focuses on enhanced mulching and efficient discharge, making it ideal for yards with heavy grass or leaves.
In real-world use, the blade's mulching design helps chop clippings finer, which improves bagging and reduces clumping under the deck. The hardened steel holds an edge well through multiple mowing sessions, so you won't need to sharpen as often as with budget blades. The 5/8 inch center hole fits most standard spindles, and the 21 inch length covers a wide cutting path for decent productivity.
Oregon is known for durable lawn and garden components, and this blade is no exception. The black coating adds a layer of protection against moisture and debris, helping prevent rust. At 2 pounds, it is lightweight enough not to bog down smaller mower engines. Installation is straightforward, though you may need to rebalance the blade for optimal vibration-free operation.
One realistic drawback is that compatibility is not universal. While it fits many Craftsman, AYP, Poulan, and Honda models, you should always check the center hole size and blade offset before purchasing. The package does not include mounting hardware or detailed instructions, so you will need to reuse your existing bolts and washers. Some users have noted slight imbalance out of the box, requiring a quick rebalance with a simple balancer tool.
If you need a reliable, affordable replacement blade for your walk-behind mower, the Oregon 21 inch blade is a solid choice. It delivers good mulching performance, lasts longer than cheap alternatives, and fits several popular brands. For the price, it offers excellent value for homeowners who maintain their own lawn. Just double-check compatibility and be prepared to balance it for the smoothest cut.
Blade Length: 21 inches
Center Hole Size: 5/8 inch
Weight: 2 pounds
Color: Black
Material: Hardened steel with black coating
Compatible Brands: Craftsman, AYP, Poulan, Honda (walk-behind mowers)
Product Dimensions: 21 x 2.8 x 1.65 inches
Pros
- Fits a wide range of popular mower brands without modification.
- Sturdy alloy steel holds an edge longer than basic stamped blades.
- Easy install with no assembly required – just swap out the old blade.
Cons
- Only fits 21-inch decks; not compatible with larger or smaller mowers.
- May need to verify your old part number against listed predecessors to ensure match.
The Husqvarna 532406712 replacement blade is a straightforward, no-nonsense option for anyone who owns a 21-inch push mower from Husqvarna, Poulan, Craftsman, Weed Eater, or Roper. If you are a homeowner or DIYer who handles your own lawn maintenance, this blade gives you a reliable way to restore cutting performance without breaking the bank. It replaces several earlier part numbers like 165833, 175064, and 406712, so checking compatibility is simple.
Out in the yard, this blade handles thick grass and occasional debris well. The alloy steel construction keeps the edge sharp through several mowings, and the 0.130-inch thickness provides enough stiffness to prevent flexing during tough cuts. You will notice a cleaner slice versus older, worn blades, which means less tearing and a healthier lawn. The right-hand cut direction works seamlessly with standard bagging and mulching setups, so you do not have to change your mowing routine.
Build quality is what you would expect from Husqvarna – solid, consistent, and designed for longevity. The blade is lightweight at just 1.5 pounds, which reduces stress on the mower deck and engine over time. Installation is straightforward: remove the old blade, center the new one on the 5/8-inch hole, and torque it down. No modding or adapters needed.
One realistic limitation is that this blade only fits 21-inch decks. If you have a 20-inch or 22-inch mower, you are out of luck. Also, double-check your current part number against the list of predecessors to avoid a mismatch. But for the vast majority of standard push mowers in its size range, this blade is a dependable performer that delivers good value for the cost.
Overall, the Husqvarna 532406712 is a smart upgrade for anyone wanting a sharp, durable blade without hunting down a dealer. Whether you are a weekend warrior or just keeping your lawn tidy, this blade will get the job done reliably.
Brand: Husqvarna
Model Number: 532406712
Length: 21 inches
Width: 2 1/4 inches
Thickness: 0.130 inches
Center Hole Diameter: 5/8 inch
Outer Hole Diameter: 5/8 inch and 1 7/8 inch
Material: Alloy Steel
Weight: 1.5 pounds
Cut Direction: Right
Compatible Brands: Husqvarna, Poulan, Poulan Pro, Roper, Sears/Craftsman, Weed Eater
This blade is ideal for routine mowing on 21-inch push mowers in residential lawns. It works well for homeowners who prefer to bag clippings or mulch leaves thanks to the right-hand cut design. DIYers maintaining medium-sized yards will appreciate the durability and easy swap-out when the old blade dulls. Not suited for commercial zero-turn mowers or larger decks.
Pros
- Accurate dimensions and center hole size make installation frustration-free
- Cuts evenly and lifts grass well for a professional-looking lawn
- Replaces many OEM parts across multiple brands, reducing compatibility guesswork
- Good value compared to buying individual OEM blades
Cons
- Brand is relatively new with no customer reviews yet, so long-term durability is unproven
- Limited to 21-inch push mowers; not suitable for zero-turn or riding mowers
- May require balancing before first use to avoid vibration
The ACEBRI Mower Blades 21 inch are a universal replacement option designed for popular push mowers from Craftsman, Husqvarna, and Poulan Pro. As a home lawn care essential, these blades aim to restore cutting performance without requiring a full mower upgrade. They come in a standard black finish and are built around dimensions that mirror many OEM blade sets: 21-1/16 inches long, 2-1/4 inches wide, and 0.138 inches thick with a 5/8-inch center hole.
Installation is straightforward for anyone comfortable with basic mower maintenance. The center hole aligns perfectly with most spindles, and the bolt pattern matches common mounting hardware. Once installed, the blade spins true with minimal vibration, provided you check the balance. Users who have tested them report a clean cut, with the blade lifting grass effectively before mulching or side-discharging. Edge retention seems adequate for a typical season, though heavy use on thick or wet grass will naturally accelerate dulling.
Build quality is decent for the price point. The steel feels sturdy, but it's not a heavy-duty aftermarket blade like those from Oregon or MaxPower. That said, for standard residential lawns, it handles the workload without issue. The wide compatibility list covers dozens of OEM part numbers, which is a major plus for homeowners who own multiple mower brands or need a quick replacement for a spare mower.
One realistic limitation is the lack of long-term user feedback. With zero reviews on Amazon, you're relying on the manufacturer's specs and the limited hands-on reports. The blade fits well out of the box, but some users might find they need to balance it to avoid vibration. Additionally, these are strictly for 21-inch push mowers - not for larger deck sizes or commercial zero-turn rigs.
Overall, the ACEBRI 21-inch mower blades are a solid budget-friendly choice for DIY homeowners who need a functional replacement. If you have a compatible Craftsman, Husqvarna, or Poulan Pro mower and want to avoid paying premium prices at the dealer, these are worth a try. Just be prepared to adjust or balance them if needed, and don't expect them to outlast premium aftermarket options. For the price, they deliver a clean cut and easy installation - exactly what most residential mowing requires.
Length: 21-1/16 inches
Width: 2-1/4 inches
Thickness: 0.138 inches
Center Hole: 5/8 inches
Color: Black
Weight: Approximately 1.92 pounds per blade
Material: Carbon steel
Compatible Mower Types: Push mowers with 21-inch cutting decks from Craftsman, Husqvarna, Poulan Pro, and select other brands using listed OEM part numbers
Frequently Asked Questions
Does the GICOOL blade fit my Poulan Pro deck?
Yes, it fits many 21-inch decks. The GICOOL 406712 uses a 5/8-inch circle mounting pattern. It replaces common part numbers like 165833 and 175064. Always check your old blade’s center hole shape to confirm compatibility before ordering.
Is the Maxpower blade compatible with Craftsman mowers?
Yes, it replaces Craftsman OEM # CMXGZAM100067. This mulching blade features a bow-tie center hole design. It is also compatible with MTD and Cub Cadet models. Verify the specific OEM number on your current blade to ensure a perfect fit for your deck.
What is the thickness of the Husqvarna replacement blade?
The Husqvarna 532406712 blade measures 0.130 inches thick. It has a 5/8-inch center hole diameter. This standard thickness ensures proper balance on the spindle. It is a direct replacement for previous part numbers like 406712 and 165833 for reliable performance.
Can I use the Oregon blade for bagging?
Yes, it enhances mulching for bagging efficiency. The Oregon 21 inch blade is designed for walk-behind mowers. It stays sharp and durable for longer use. The design helps with airflow suction, making it a solid choice for both side discharge and bagging tasks.
How do I install a new mower blade safely?
Always disconnect the spark plug wire first. Use a proper wrench to remove the old blade. Align the new blade’s cutting direction with the deck arrow. Tighten the bolt to the manufacturer’s specified torque to prevent vibration during operation.
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