10 Best Lawn Mower Blades – Affordable and Long-Lasting Replacement!

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If you’ve had your lawn mower for a long time or passed over a stone or root, a new lawn mower blade may be a necessary replacement. Given how affordable they are, it often makes sense to get a new blade rather than trying to resharpen an old one. It’s important to get the best lawn mower blades for you that will fit your machine and show excellent performance each time you use it.

That’s why we’ve compared 46 available options and scanned through the reviews to give you the best possible selection. The Greenworks Replacement Lawn Mower Blade 29512 is an example of a blade with excellent quality and performance, which is also simple to install. If that’s not the right fit for your lawn mower, then we also have 9 other excellent options for you to consider.

Top 10 Lawn Mower Blades Review 2020

When looking for the best lawn mower blades, we considered the type, dimensions, thickness, pieces in the set, and what models they are recommended for. We’ve consulted expert sources to make all this information easier to process and have also completed countless hours of research for our reviews. To make this easy to digest, we’ve created a comparison table for a quick overview, a buying guide, and FAQs. Let’s get started!

Editor's Choice

An outstanding 16” option for various walk-behind lawn mowers, which is made of coated steel. It is easy to change and sharpen.

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9.9
YardScoreTM
?
YardScore is our patented scoring system which helps us evaluate each of the reviewed products, from 1 to 10. The score is based on the product’s individual features, its sales stats, and buyers’ feedback.
Best Value

If you are looking for something affordable for your riding lawn mower, this set of 3 high lift blades with solid design can be a great choice.

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9.8
YardScoreTM
?
YardScore is our patented scoring system which helps us evaluate each of the reviewed products, from 1 to 10. The score is based on the product’s individual features, its sales stats, and buyers’ feedback.
Best 20” Lawn Mower Blade

With this 20” lawn mower blade made of heat-treated steel, you will be able to finish your tasks much quicker thanks to its sharpness.

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9.7
YardScoreTM
?
YardScore is our patented scoring system which helps us evaluate each of the reviewed products, from 1 to 10. The score is based on the product’s individual features, its sales stats, and buyers’ feedback.
Best Universal Lawn Mower Blade

In terms of versatility, it’s hard to beat this 20” lawn mower blade. It comes with 6 reducing washers and is quite durable.

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9.5
YardScoreTM
?
YardScore is our patented scoring system which helps us evaluate each of the reviewed products, from 1 to 10. The score is based on the product’s individual features, its sales stats, and buyers’ feedback.
Best Husqvarna Lawn Mower Blade

For walk-behind Husqvarna lawn mowers, this blade works perfectly. The manufacturer offers a 1-year warranty and ease of installation with this product.

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9.4
YardScoreTM
?
YardScore is our patented scoring system which helps us evaluate each of the reviewed products, from 1 to 10. The score is based on the product’s individual features, its sales stats, and buyers’ feedback.
Best for Large Gardens

This is an amazing long-lasting option that is suitable for large gardens. It boasts impressive reliability and excellent cut capacity.

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9.2
YardScoreTM
?
YardScore is our patented scoring system which helps us evaluate each of the reviewed products, from 1 to 10. The score is based on the product’s individual features, its sales stats, and buyers’ feedback.
Best Lawn Mower Blade for Mulching

A wonderful set of lawn mower blades suitable for a wide range of models. It boasts exceptional sharpness and can be ideal for mulching.

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9.1
YardScoreTM
?
YardScore is our patented scoring system which helps us evaluate each of the reviewed products, from 1 to 10. The score is based on the product’s individual features, its sales stats, and buyers’ feedback.
Best Heavy-Duty Lawn Mower Blades

With these heavy-duty lawn mower blades for 46” models, you will be able to cut all the grass effortlessly.  They are made in the USA and ensure fantastic results.

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9.0
YardScoreTM
?
YardScore is our patented scoring system which helps us evaluate each of the reviewed products, from 1 to 10. The score is based on the product’s individual features, its sales stats, and buyers’ feedback.
Best Lawn Mower Blades Set

If you are looking for a bigger set, this one includes 6 blades for riding lawn mowers. This is a great choice for rough lawns.

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8.8
YardScoreTM
?
YardScore is our patented scoring system which helps us evaluate each of the reviewed products, from 1 to 10. The score is based on the product’s individual features, its sales stats, and buyers’ feedback.
Best Dual Bevel Lawn Mower Blades

For better mulching, you can try these blades with dual bevel design. They come very sharp and offer perfect durability.

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8.7
YardScoreTM
?
YardScore is our patented scoring system which helps us evaluate each of the reviewed products, from 1 to 10. The score is based on the product’s individual features, its sales stats, and buyers’ feedback.
Features
  • Type: walk-behind lawn mowers
  • Dimensions: 16” long
  • Thickness: not specified
  • Pieces in the set: 1
  • Recommended for: GreenWorks 16-inch mowers 25142 and 25322

 More features: coated steel, compatible with many 16″ mowers on the market

Greenworks produce many great lawn mowers, and this is a blade that matches that quality. It works perfectly for Greenworks mowers that require a 16″ blade, but it has a very common fitting that will be compatible with many other mowers out there.

The value for money you get here is great, and it often makes it a better option than trying to resharpen a blade. The coated steel is resistant to moisture, although the blade can be susceptible to stone impacts due to the softer metal.

If you ever need to sharpen this blade, then it’s easy to do so, which helps to extend its life. The installation process with the blade is very simple, and you should have it swapped over in no time at all. It’s a great blade and one that makes an excellent replacement. The results will be impressive at any cutting height you choose.

Pros
  • Easy to change
  • Fantastic compatibility
  • Simple to sharpen
  • Resistant to moisture and corrosion
Cons
  • Susceptible to stones impacts
2.

Rotary Replacement BladesBest Value

Features
  • Type: riding lawn mowers
  • Dimensions: 16-3/4″ x 2-1/2″
  • Thickness: .204″
  • Pieces in the set: 3
  • Recommended for: 48” decks, Deck/Craftsman/Poulan/Husqvarna (replacement for 180054, 173920 and 173921)

 More features: high lift blades, blades will work with a bagger, solid design

If you use your lawn mower a lot, then it can be the best idea to get a set of blades rather than just one. These are probably the best high lift lawn mower blades that also give you excellent value for money with the 3 marvelous pieces you get.

They fit a wide range of different lawn mower models, with the likes of Husqvarna and Craftsman. Durability is impressive here as they have a solid design that won’t dull quickly. They cope with debris quite well when compared to other models.

You’ll find them to be well balanced to give you greater control over your lawn mowing. That’s helped by the blades being quite thick, which aids that durability. They are high lift blades, which makes them great for using with a bagger but not for mulching.

Pros
  • High quality
  • Thick blades
  • Well-balanced
  • Don’t dull quickly
Cons
  • Not the best choice for mulching
3.

Greenworks Replacement Lawn Mower Blade 29172Best 20” Lawn Mower Blade

Features
  • Type: walk-behind lawn mowers
  • Dimensions: 20” long
  • Thickness: not specified
  • Pieces in the set: 1
  • Recommended for: Greenworks 20-inch mower models 25022 and 25222

 More features: heat-treated steel, comes very sharp

Here, we see another brilliant Greenworks blade and one which has the same level of quality. It’s made of heat-treated steel and is built to last. It is one of the most expensive blades, but many people are going to see it as worth the cost.

A great aspect of this lawn mower blade is that it’s very easy to fit, and it will only take a matter of seconds. It’s great for those who may not be confident with changing a blade and who have never done it before.

The blade comes very sharp, so you’re going to be able to get to work straight away. When you do, you’ll notice the wonderful result and close cut you can get. If you need a 20” blade with a standard fitting, then this is going to be ideal, and you won’t be disappointed.

Pros
  • Perfect fit
  • Simple installation
  • Exceptional results
  • Blade comes sharpened
Cons
  • Quite expensive
4.

Maxpower 331040B Universal Lawn Mower BladeBest Universal Lawn Mower Blade

Features
  • Type: walk-behind lawn mowers
  • Dimensions: 20” x 2.25”
  • Thickness: not specified
  • Pieces in the set: 1
  • Recommended for: AYP, MTD, Murray, Sears, Snapper, and other mowers

 More features: comes with 6 reducing washers, 1-inch center hole

Maxpower is another company that has been able to make an outstanding 20” blade. One of its best features is the universal fit. It’s compatible with a wide range of different lawn mowers, which is helped by it coming with adapters.

The installation can be a bit more difficult because it requires some adjustments, but it shouldn’t take too long. It comes at a low price tag, despite having a great build quality. There is only one blade in the set, which is suitable for small to medium-sized lawns.

The exact thickness of the mower blade isn’t specified, but you can feel that it’s of high quality, and it will be able to cope with the stresses and strains of a lawn mower. For those looking for a 20” blade, this is another great option.

Pros
  • Universal fit
  • Adapters included
  • Heavy-duty option
  • Great price
Cons
  • Tricky installation
5.

Husqvarna 532406713 Lawn Mower BladeBest Husqvarna Lawn Mower Blade

Features
  • Type: walk-behind lawn mowers
  • Dimensions: 22” x 2.25”
  • Thickness: not specified
  • Pieces in the set: 1
  • Recommended for: Husqvarna/Poulan/Roper/Craftsman/Weed Eater, replaces 406713, 141114, 192682, 752234, 850973, 406713X431 and 1044

 More features: 1-year warranty, great for mulching, easy to install

For many people, the name Husqvarna is associated with high quality. You can buy this lawn mower blade with a high degree of confidence, and that’s backed by it having a one-year warranty that’ll give you some peace of mind.

It’s a versatile blade that is good for both mulching and bagging, making it the blade of choice for many users. Another aspect of why this is popular is due to its compatibility, as it’s a good fit for a lot more than just Husqvarna models.

The blade is made of high-quality metal and can take a fair amount of punishment. It’s also perfectly balanced and very easy to change over. Some users have noted some delivery issues, but that is rare and can be sorted quickly if you get a defective product.

Pros
  • High compatibility
  • Quick installation
  • Good quality
  • Perfectly balanced
Cons
  • Some delivery issues
6.

Toro 131-3939-03P Timecutter 42" Blade KitBest for Large Gardens

Features
  • Type: riding lawn mowers
  • Dimensions: 22” x 2.7”
  • Thickness: not specified
  • Pieces in the set: 2
  • Recommended for: 79220P replacement, 42″ blade kit

 More features: work excellent with bagger, high quality

There is no doubt that this is one of the best riding lawn mower blades available. It comes in a set of two and offers good value for money. The blades will last for a long time and are suitable for commercial use as well as recommended for those with large gardens.

While they are possibly the best replacement lawn mower blades for Toro machines, they do have a lack of compatibility, and therefore won’t be suitable for most people. For those who have Toro mower, it’d be the perfect fit, and you’ll find the results to be great thanks to its excellent cut capacity.

They are ideal for bagging grass but can be used for mulching if required. The installation is quite simple, and you’ll be able to get cutting in no time at all. It’s a wonderful replacement blade, but one that is only useful if you have a Toro machine.

Pros
  • Long-lasting
  • Simple installation
  • Impressive reliability
  • Excellent cut quality
Cons
  • Not that versatile
7.

Oregon G3 Gator BladesBest Lawn Mower Blade for Mulching

Features
  • Type: riding lawn mowers
  • Dimensions: 18-1/2″ x 2-3/4″
  • Thickness: .187″
  • Pieces in the set: 3
  • Recommended for: 54″ decks, Ariens, Craftsman, Poulan Pro and Husqvarna

 More features: made in the USA, great performance, come very sharp

If you’re looking for either Husqvarna or Craftsman blades, then these blades are going to be an excellent option. They have a high level of compatibility, and they would fit well a wide range of models.

These are the best lawn mower blades for 54” decks and have heavy-duty quality. This set of 3 of pieces represents excellent value for money, and they work well for bagging. There have been some delivery issues with these lawn mower blades, but it’s not a common problem.

The blades come very sharp, which will allow you to get to cutting straight away. When you do, you’ll immediately see the perfect results. They are made in the USA, and you can feel excellent build quality.

Pros
  • Impressive compatibility
  • Perfect for bagging
  • Heavy-duty thickness
  • Blades come sharp
Cons
  • Some delivery issues
8.

MAXPOWER 561544 2-Blade SetBest Heavy-Duty Lawn Mower Blades

Features
  • Type: riding lawn mowers
  • Dimensions: 23-1/4″ x 3″
  • Thickness: not specified
  • Pieces in the set: 2
  • Recommended for: 46″ cut MTD, Cub Cadet, and Troy-Bilt mowers

 More features: center hole adapts to 6 point star, meet or exceed OEM specifications, made in the USA

Maxpower is another company who make their blades in the USA. They are perfect for 46” decks on riding lawn mowers. If you have high mowing requirements, then this set of two is going to last for a lot of time and get through a lot of work.

The blades are quite thick with impressive durability. They cope quite well with impacts and continue to stay sharp. Most importantly, the cut you’ll get with these blades is even, and it makes mowing very easy.

There are some fitting issues with them, so it’s best to double-check that you’re getting the right product for your needs. These blades are manufactured to meet or exceed OEM specifications, and therefore, you can be confident in their quality.

Pros
  • Made in the USA
  • Heavy-duty thickness
  • Fantastic results
  • High quality
Cons
  • Some fitting issues
9.

Craftsman Set of 6 BladesBest Lawn Mower Blades Set

Features
  • Type: riding lawn mowers
  • Dimensions: 18-1/2″ x 2-1/2″
  • Thickness: .203″
  • Pieces in the set: 6
  • Recommended for: 54” decks, AYP/Husqvarna 532187256

 More features: 5pt star center hole, high lift suction, great for rough lawns

If you have a high demand for lawn mower blades, then getting a set of 6 is going to make a lot of sense. Not only do you get six pieces here, but they are quite affordable, making these perfect for heavier tasks.

Unfortunately, they are not that sharp as you might expect, but that can be fixed quickly if you sharpen them yourself. Still, the quality here is excellent as the blades are thick and built to last. They can cope with rougher lawns and aren’t as easily damaged as other types of blade.

No matter what type of grass you have, the results it gives are very clean and ideal for a low cut. If you are looking for something reliable, then these blades could well be perfect for you.

Pros
  • Excellent value
  • Very thick
  • Clean results
  • Great for a low cut
Cons
  • Could be sharper
10.

Mr Mower Blades 195-005Best Dual Bevel Lawn Mower Blades

Features
  • Type: riding lawn mowers
  • Dimensions: 21″ x 2-1/4″
  • Thickness: .140”
  • Pieces in the set: 2
  • Recommended for: 42” Decks, Husqvarna 532134149, 134149 and Sears 131419

 More features: dual bevel design for better mulching, great durability, come very sharp

Mr Mower Parts has made the best mower blades for anyone looking for a 21” blade. They work as great mulching blades for riding lawn mowers, and they will be able to give you great results time and time again.

A great feature of these blades is just how easy they are to install, and you’ll have them swapped in no time. The level of compatibility is good for 42” decks, including Husqvarna and Sears models.

A dual-bevel design is featured here, which helps with the mulching process. One aspect to note here is that the blades are quite thin, and therefore, can be more susceptible to stone damages, but they will still hold up quite well against the grass.

Pros
  • Excellent for mulching
  • Highly compatible with various brands
  • Excellent cut quality
  • Easy to install
Cons
  • Quite thin

Buying Guide

Getting the right lawn mower blades for your mower is vital. It’s not just important to find the right fit but also the style you need, while also considering the likes of thickness, sharpness, and durability. Here, we’ll go through all the key features so that you know exactly what you need. If you have any doubts, in the future, you’d be able to refer back to this section.

How to find the best lawn mower blades?

10 Best Lawn Mower Blades – Affordable and Long-Lasting Replacement!

Choosing the best lawn mower blades isn’t a simple process. Getting the wrong blades can mean a big waste of time and money. As well as matching the blade to your mower type, you also need to consider the type of discharge you want, with bagging and mulching blades available. As we go through each section, you’ll begin to have a clearer idea of what you need.

Type of your lawn mower

Various types of lawn mower have different demands, and most blades will either fit one or the other. Riding lawn mowers have a greater level of demand, and they will often require multiple blades. The Mr Mower Blades 195-005 is a great example compatible with various models of this type.

Walk-behind models can use the likes of the Maxpower 331040B Universal Lawn Mower Blade, but this can also be compatible with any mower than can match its fittings. You need to know the type of lawn mower you have and the type of blades it supports.

Some of the blades here have a universal fit and work with a wider range of lawn mowers. If you’re struggling to find the right blade, then these universal blades can be a great idea.

Blade length and width

The length of the blade is measured from one cutting tip to the other. If you’re not sure what blade to get, or you have lost your manual, you can measure your old blade to get a match.

Smaller blades, such as the 16” Greenworks Replacement Lawn Mower Blade 29512, are great for smaller lawn mowers, whereas the 22” Toro 131-3939-03P Timecutter works perfectly on bigger models.

The need to get the right length is very clear. If the blade is too big, it’s not going to fit. If it’s too small, it’s going to be inefficient. It’s not something you should guess, but instead, you should get exact measurements.

Thickness

The thickness of a lawn mower blade doesn’t have a huge impact on its performance, but it can affect its durability. The Rotary Replacement Blades are an example of a product that was built to last.

Thicker blades are usually less susceptible to stone impacts and don’t gain as much damage. They are heavier, but in terms of the overall weight, the difference is minimal. Frustratingly, blade thickness not specified on a lot of models, but in these cases, we’ve tried to give you an idea of the overall quality.

Lift

10 Best Lawn Mower Blades – Affordable and Long-Lasting Replacement!

The lift of a lawn mower blade relates to its degree of curve. Low lift blades don’t create as much suction and keep the level of debris down to a minimum. Due to this, they are better for mulching as they keep the grass close to the ground.

High lift blades, such as the Rotary Replacement Blades, create more suction and remove the grass from the mower using a mulching method or a bagger. Medium lift blades are a mix between the two, and these are better if you want more versatility.

Material and sharpness

All these blades are made of steel and can be sharpened. What they do need to be is coated to ensure that they don’t rust quickly. The Oregon G3 Gator Blade is an example of a product that was built to last thanks to quality materials.

It’s also worth noting that some blades will come sharper than others. However, very sharp blades will dull quicker and become less effective. It’s more than likely your blade will be ready to use.

The blade should feel quite sharp, but you should still be able to touch the blade without being cut.

Pieces in the set

If you have a riding lawn mower, then you may have multiple blades under the deck. If that’s the case, it makes sense to get a set as you will need to change more blades. It’s also a good idea to get multiple blades if your demands for mowing are high, and you want to use them frequently.

The Craftsman Set of 6 Blades is great for heavy-duty use as it offers great value for money, and you have a ready-made replacement at hand. If you only have a small yard, then it would make more sense just to get a single blade.

Ease of installation

Some mower blades are much easier to change than others. The Greenworks Replacement Lawn Mower Blade 29172 is an example of one that can be changed in a matter of minutes.

Buying a direct replacement by the same manufacturer is the best way to ensure the perfect fit.

For those that have a universal fit, you may need adapters to be able to bolt it on securely. This won’t be a big issue but can take a little longer. If you get the right blade for your lawn mower, you won’t have any problems.

Prices

10 Best Lawn Mower Blades – Affordable and Long-Lasting Replacement!

The great thing about lawn mower blades is that they are quite cheap, and at around $10 each, you can get the high-quality Greenworks Replacement Lawn Mower Blade 29512 for walk-behind models.

At around $20, the Greenworks Replacement Lawn Mower Blade 29172 is a little larger model, which is a bit more expensive but still offers good value with its sharp blades and excellent results.

If you’re looking for a great multi-pack set, then the Craftsman Set of 6 would be a great option. At around $60, it may seem expensive at first sight, but in terms of price per blade, it’s a great price.

FAQ

Installing lawn mower blades is usually a simple process. You should only have to use a socket wrench, but there may also be washers or mounting hardware that you need to keep hold of. You’ll have to hold the blade in place, and it’s best to wear thick gloves throughout the process. For those gas-powered models, there is a lot to consider. You can’t tip to mower on its side as you risk oil mixing with the gas. You’ll have to safely change to blade from underneath. You’ll always want to unplug the spark plug for extra safety.

Sharpening your lawn mower blades after around 25 hours of use is usually a good mark. Due to the low cost of lawn mower blades, it often makes sense to get new blades due to the time and effort it’ll take you to sharpen them. Following the angle of the blade, sharpening can be done quite easily with a file once you have it secured in something like a clamp or a vise. You want to ensure that you are taking an equal amount of metal from each side to keep it balanced. If you have power tools, a bench grinder or a belt sander can be used. For safety, it’s best to use a mask and gloves while completing the job.

The answer to this question will depend on the type of blades you have, but it’s usually around the 100-200-hour mark. If you have a small garden, then you may only need to change your blade every few years. For commercial use, this could be every few weeks. If you hit debris, such as roots or stones, then that could ruin the blade immediately. Consistently hitting small stones will quickly dull and damage the blade. If you want to extend the life of your blades, then it’s a good idea to wipe them down after each use to keep them clean.

Our Verdict

The final choice for you will depend on the model you have, what type of cut you want, and how much you’ll be using your lawn mower.

We think the Greenworks Replacement Lawn Mower Blade 29512 is a high-quality replacement. It should last you a while, thanks to its coated steel design.

If you are looking for something cheap, you can go for the Rotary Replacement Blades. This set includes 3 blades for riding lawn mowers.

Lastly, the Greenworks Replacement Lawn Mower Blade 29172 is another great option that will allow you to get rid of the grass much faster.

Hopefully, you’ve found the best lawn mower blades for your unit here. All the products that we’ve looked at in our article have brilliant quality and able to give you excellent results. Once you make your pick, you’ll get back to mowing in no time at all.

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