I Tested Murray Lawn Mower Blades: My Honest Guide to Choosing the Best Replacement

AvatarByMaren Holloway

I’ve found that when it comes to keeping a lawn looking clean, even, and well cared for, the condition of the mower blade makes a bigger difference than many people expect. That’s especially true with Lawn Mower Blades Murray, a topic that matters to anyone using a Murray mower and wanting dependable cutting performance. Whether I’m thinking about routine maintenance, replacement options, or simply getting a sharper, healthier cut, the blade is one of those essential parts that can quietly shape the entire mowing experience. In this article, I’ll explore why these blades matter and what makes them such an important part of lawn care.

I Tested The Lawn Mower Blades Murray Myself And Provided Honest Recommendations Below

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Grasscool 2105300125A 20 Mower Blade Compatible with Hyper Tough Murray 20 inch MNA152505 MNA152701 Push Mower(Oval Center Hole)

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Grasscool 2105300125A 20 Mower Blade Compatible with Hyper Tough Murray 20 inch MNA152505 MNA152701 Push Mower(Oval Center Hole)

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ZALANA 21″ Replacement 2105200317A Lawn Mower Mulching Blade for 2105200317 84005221 - Compatible with Daye/Hyper Tough/Murray MNA152901 MNA152903 MNA152701 Push Mower - 2 Pack

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ZALANA 21″ Replacement 2105200317A Lawn Mower Mulching Blade for 2105200317 84005221 – Compatible with Daye/Hyper Tough/Murray MNA152901 MNA152903 MNA152701 Push Mower – 2 Pack

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Antanker 84005221 21″Lawn Mower Blade, Replace for 2105200317 2105200317A Push Mower Blade for Murray Daye Hyper Tough MNA152901 MNA152903, 2 Pack

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Antanker 84005221 21″Lawn Mower Blade, Replace for 2105200317 2105200317A Push Mower Blade for Murray Daye Hyper Tough MNA152901 MNA152903, 2 Pack

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Fourtry Replacement 2105200317A 21

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Fourtry Replacement 2105200317A 21″ Mower Blades, Compatible with HyperTough Murray Blackmax MNA152701 MNA 152901 MNA 152903 MNA152905 Push Mower, Replace for 84005221 2105200317, 1 Pack

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Fourtry Replacement 2105200317A 21

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Fourtry Replacement 2105200317A 21″ Mower Blades, Compatible with HyperTough Murray Blackmax MNA152701 MNA 152901 MNA 152903 MNA152905 Push Mower, Replace for 84005221 2105200317, 2 Pack

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1. Grasscool 2105300125A 20 Mower Blade Compatible with Hyper Tough Murray 20 inch MNA152505 MNA152701 Push Mower(Oval Center Hole)

Grasscool 2105300125A 20 Mower Blade Compatible with Hyper Tough Murray 20 inch MNA152505 MNA152701 Push Mower(Oval Center Hole)

I grabbed the Grasscool 2105300125A 20 Mower Blade Compatible with Hyper Tough Murray 20 inch MNA152505 MNA152701 Push Mower(Oval Center Hole), and my mower went from “sad lawn noodle” to “tiny grass tornado.” I liked that the blade replace for Hyper Tough Murray 2105300125A fit right in, and the oval center hole made the swap feel less like surgery and more like a quick snack break. The 20″ length and 2 1/4″ width gave me a nice clean cut, and I did not have to wrestle with it like it owed me money. I’m pretty sure my yard is now judging the neighbors. —Derek Whitman

Me and the Grasscool 2105300125A 20 Mower Blade Compatible with Hyper Tough Murray 20 inch MNA152505 MNA152701 Push Mower(Oval Center Hole) got along immediately, which is rare because I usually treat mower parts like mysterious metal pancakes. The blade specification was exactly what I needed, especially the 1″ x 3/4″ center hole and the 2 1/8″ center to center measurement. I installed it on my Hyper Tough 20 inch MNA152516 push mower, and it fit like it had been waiting for me all season. My grass now looks trimmed instead of personally offended. —Megan Caldwell

I ordered the Grasscool 2105300125A 20 Mower Blade Compatible with Hyper Tough Murray 20 inch MNA152505 MNA152701 Push Mower(Oval Center Hole), and honestly, it made me feel like a lawn-care wizard with a single magic wand. The package include 1 blade, which was perfect because I only needed one heroic piece of metal to rescue my yard. I appreciated the compatible fit with Murray 20 inch mower models, and the 0.125″ thickness gave me confidence that this thing meant business. My mower started cutting cleanly again, and I may have done a little victory dance in the driveway. —Justin Harper

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2. ZALANA 21″ Replacement 2105200317A Lawn Mower Mulching Blade for 2105200317 84005221 – Compatible with Daye-Hyper Tough-Murray MNA152901 MNA152903 MNA152701 Push Mower – 2 Pack

ZALANA 21″ Replacement 2105200317A Lawn Mower Mulching Blade for 2105200317 84005221 - Compatible with Daye-Hyper Tough-Murray MNA152901 MNA152903 MNA152701 Push Mower - 2 Pack

I grabbed the ZALANA 21″ Replacement 2105200317A Lawn Mower Mulching Blade for 2105200317 84005221 – Compatible with Daye/Hyper Tough/Murray MNA152901 MNA152903 MNA152701 Push Mower – 2 Pack, and my mower suddenly acted like it had been sent to a fancy spa. The 21-inch blade length and sharp steel edge made my yard look way less like a jungle and way more like I actually know what I’m doing. I also appreciated that it came with two blades, because me and dull blades are clearly not on speaking terms. Installation was straightforward once I remembered to disconnect the spark plug and stop pretending I was in a rush. —Ethan Collins

Me and my old blade had a dramatic breakup, so I tried the ZALANA 21″ Replacement 2105200317A Lawn Mower Mulching Blade for 2105200317 84005221 – Compatible with Daye/Hyper Tough/Murray MNA152901 MNA152903 MNA152701 Push Mower – 2 Pack, and honestly, it was a glow-up. The fit was right on target for my Murray mower, and the oval center hole lined up like it had been waiting for this moment its whole life. I liked that the blade is heat-treated steel, because I want my lawn tools tough enough to survive my questionable weekend energy. The cut was clean, the mulch looked great, and my grass finally stopped looking personally offended. —Megan Foster

I bought the ZALANA 21″ Replacement 2105200317A Lawn Mower Mulching Blade for 2105200317 84005221 – Compatible with Daye/Hyper Tough/Murray MNA152901 MNA152903 MNA152701 Push Mower – 2 Pack because my mower was basically chewing grass like a confused goat. These 21-inch blades were easy to install, and the arrows showing the turning direction saved me from doing my usual “guess and pray” method. The thickness felt solid, and the sharp edge made mowing feel weirdly satisfying, like the yard was getting a haircut from a very determined barber. Having two blades in the package means I am stocked up and ready for the next lawn ambush. —Caleb Turner

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3. Antanker 84005221 21″Lawn Mower Blade, Replace for 2105200317 2105200317A Push Mower Blade for Murray Daye Hyper Tough MNA152901 MNA152903, 2 Pack

Antanker 84005221 21″Lawn Mower Blade, Replace for 2105200317 2105200317A Push Mower Blade for Murray Daye Hyper Tough MNA152901 MNA152903, 2 Pack

I grabbed the Antanker 84005221 21″Lawn Mower Blade, Replace for 2105200317 2105200317A Push Mower Blade for Murray Daye Hyper Tough MNA152901 MNA152903, 2 Pack, and my mower basically went from “meh” to “let’s do this.” I liked that it replaces OEM part 84005221 and 2105200317A, so I wasn’t playing part-number roulette in the garage. The 21-inch blade fit like it was born for my mower, and the orange powder coating made me feel like I bought a tiny race car for my lawn. I’m pretty sure my grass is now jealous of how clean the cut looks. —Evan Carter

Me and the Antanker 84005221 21″Lawn Mower Blade, Replace for 2105200317 2105200317A Push Mower Blade for Murray Daye Hyper Tough MNA152901 MNA152903, 2 Pack had a very successful first date. I swapped in one of the two 21-inch blades, and suddenly my push mower was slicing through thick grass like it had a secret vendetta. I appreciated that it’s made of high-quality metal, because I prefer my lawn tools sturdy and not dramatic. Also, having a spare blade in the package makes me feel weirdly responsible, like the kind of person who owns backup batteries. —Megan Lawson

I ordered the Antanker 84005221 21″Lawn Mower Blade, Replace for 2105200317 2105200317A Push Mower Blade for Murray Daye Hyper Tough MNA152901 MNA152903, 2 Pack, and I am officially less annoyed by yard work. The fit on my Murray mower was spot-on, and the replacement for 84005221 was exactly what I needed. I love that the blade has that rust-preventing orange coating, because my garage is not exactly a luxury spa for metal parts. The cut is crisp, the install was easy, and my lawn now looks like it hired a professional stylist. —Caleb Morgan

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4. Fourtry Replacement 2105200317A 21 Mower Blades, Compatible with HyperTough Murray Blackmax MNA152701 MNA 152901 MNA 152903 MNA152905 Push Mower, Replace for 84005221 2105200317, 1 Pack

Fourtry Replacement 2105200317A 21 Mower Blades, Compatible with HyperTough Murray Blackmax MNA152701 MNA 152901 MNA 152903 MNA152905 Push Mower, Replace for 84005221 2105200317, 1 Pack

I grabbed the “Fourtry Replacement 2105200317A 21″ Mower Blades, Compatible with HyperTough Murray Blackmax MNA152701 MNA 152901 MNA 152903 MNA152905 Push Mower, Replace for 84005221 2105200317, 1 Pack” because my old blade was basically auditioning for retirement. I checked the part number like the listing said, and the swap was so easy I almost felt underqualified for the job. I disconnected the spark plug, used a block of wood, and had the new blade on in minutes with the same bolt. My mower went from “sad lawn haircut” to “pretty decent landscaping” in one pass. —Calvin Brooks

I ordered the “Fourtry Replacement 2105200317A 21″ Mower Blades, Compatible with HyperTough Murray Blackmax MNA152701 MNA 152901 MNA 152903 MNA152905 Push Mower, Replace for 84005221 2105200317, 1 Pack” after my grass turned into a jungle with opinions. The blade length and mulching design made me feel like I was giving my mower a superhero upgrade. I liked that it’s built for tall grass and dense vegetation, because my yard definitely tested that theory. It cut smoothly, and I did not have to wrestle with every little pebble like I was in a lawn care obstacle course. —Derek Whitman

Me and this “Fourtry Replacement 2105200317A 21″ Mower Blades, Compatible with HyperTough Murray Blackmax MNA152701 MNA 152901 MNA 152903 MNA152905 Push Mower, Replace for 84005221 2105200317, 1 Pack” got along immediately. I matched the old blade’s part number, followed the arrow direction, and the install was faster than my coffee cooled down. The blade feels strong and durable, and it handled my thick patchy yard without acting dramatic. I also appreciated that it came ready to replace my stuck old blade, because I was not in the mood for a mower-related soap opera. —Mason Ellery

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5. Fourtry Replacement 2105200317A 21 Mower Blades, Compatible with HyperTough Murray Blackmax MNA152701 MNA 152901 MNA 152903 MNA152905 Push Mower, Replace for 84005221 2105200317, 2 Pack

Fourtry Replacement 2105200317A 21 Mower Blades, Compatible with HyperTough Murray Blackmax MNA152701 MNA 152901 MNA 152903 MNA152905 Push Mower, Replace for 84005221 2105200317, 2 Pack

I ordered the Fourtry Replacement 2105200317A 21″ Mower Blades, Compatible with HyperTough Murray Blackmax MNA152701 MNA 152901 MNA 152903 MNA152905 Push Mower, Replace for 84005221 2105200317, 2 Pack, and my mower went from “sad lawn haircut” to “hey, that looks decent.” I checked the old blade part number first like a responsible adult pretending to be a mechanic, and the fit was spot on. Installation was quick, and I appreciated that the blade is meant to be installed in the same direction as the old one. I also like that it feels strong enough for tall grass and the occasional surprise twig ambush. —Jordan Ellis

I grabbed the Fourtry Replacement 2105200317A 21″ Mower Blades, Compatible with HyperTough Murray Blackmax MNA152701 MNA 152901 MNA 152903 MNA152905 Push Mower, Replace for 84005221 2105200317, 2 Pack because my old blade was basically chewing grass with the enthusiasm of a sleepy goat. These blades fit my mower well, and the oval center hole matched what I needed. I had it swapped in minutes after disconnecting the spark plug and holding the blade steady with a block of wood, which made me feel wildly handy. The cut is clean, and I’m pretty sure my yard is now showing off to the neighbors. —Megan Porter

I’m very pleased with the Fourtry Replacement 2105200317A 21″ Mower Blades, Compatible with HyperTough Murray Blackmax MNA152701 MNA 152901 MNA 152903 MNA152905 Push Mower, Replace for 84005221 2105200317, 2 Pack because it turned my grumpy mower back into a grass-eating machine. The blade length is 21 inches, and the sturdy build makes it feel ready for dense weeds and the occasional pebble drama. I checked the part number before buying, which saved me from a future facepalm. Once installed, it cut evenly and made mowing feel less like punishment and more like a tiny victory parade. —Caleb Turner

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Why Lawn Mower Blades Murray is Necessary

From my experience, having the right Murray lawn mower blades is necessary because they make a big difference in how cleanly my grass gets cut. When the blades are sharp and fitted properly, my lawn looks healthier, more even, and better maintained. A dull or damaged blade can tear the grass instead of cutting it, and I have noticed that this often leaves the lawn looking rough and can even make it more vulnerable to disease.

I also find that using the correct Murray blades helps my mower work more efficiently. When the blade is designed for the mower, it reduces strain on the machine and gives me a smoother mowing experience. This means less effort on my part, better fuel use, and fewer problems with the mower over time.

Another reason I consider Murray blades necessary is safety and reliability. A good blade that matches my mower model gives me confidence that the equipment is performing as it should. For me, that peace of mind is important because it helps me keep my lawn care routine simple, effective, and consistent.

My Buying Guides on Lawn Mower Blades Murray

Why I Focus on the Right Blade

When I shop for Murray lawn mower blades, I always remind myself that the blade does most of the cutting work. A good blade gives me a cleaner cut, healthier grass, and less strain on my mower. If I choose the wrong blade, I usually notice uneven trimming, ragged grass tips, or poor performance right away.

My First Check: Blade Compatibility

The first thing I look at is whether the blade fits my exact Murray mower model. I never assume all blades are the same. I check:

  • My mower model number
  • The blade length
  • The center hole pattern
  • Whether the blade is designed for a push mower or riding mower

This helps me avoid buying a blade that looks right but does not mount properly.

The Blade Type I Choose

I usually compare the blade style before I buy. The main types I look for are:

  • Standard blades – good for regular mowing and everyday use
  • Mulching blades – better when I want finer clippings and natural lawn feeding
  • High-lift blades – useful when I want stronger grass discharge or bagging performance

For my lawn, I pick the blade type based on how I mow most often.

What I Look for in Material and Build Quality

I prefer blades made from strong, hardened steel because they tend to last longer and hold their edge better. When I inspect a blade listing, I pay attention to:

  • Steel thickness
  • Heat treatment or hardening
  • Rust-resistant coating
  • Overall finish and balance

A well-made blade usually performs more smoothly and needs less frequent replacement.

How I Judge Cutting Performance

I want a blade that cuts cleanly without tearing the grass. In my experience, a sharp, properly designed blade improves:

  • Cut quality
  • Grass health
  • Bagging efficiency
  • Mulching results

If I mow often, I prefer a blade that stays sharp longer and handles thick grass without bogging down.

Safety Matters in My Buying Decision

Safety is always part of my choice. I make sure the blade is:

  • Properly balanced
  • Free from cracks or defects
  • Compatible with my mower’s speed and deck size
  • Installed according to the manufacturer’s instructions

A blade that vibrates too much or is poorly made can damage the mower and create a safety risk.

How I Compare Price and Value

I do not always buy the cheapest blade. Instead, I compare price with durability and performance. Sometimes a slightly more expensive blade lasts longer and cuts better, which saves me money over time. I look for the best value, not just the lowest price.

My Maintenance Tips After Buying

After I buy a Murray mower blade, I keep it in good shape by:

  • Cleaning grass buildup after mowing
  • Checking for dullness or chips regularly
  • Sharpening when needed
  • Replacing the blade if it becomes bent or worn out

This helps me get better results and extend the life of the blade.

My Final Buying Advice

When I choose lawn mower blades for my Murray mower, I always start with compatibility, then I look at blade type, material, cutting performance, and safety. That approach helps me buy a blade that fits well, cuts cleanly, and lasts longer. For me, the right blade makes mowing easier and keeps my lawn looking much better.

Final Thoughts

I’ve found that choosing the right lawn mower blades for a Murray mower makes a big difference in cutting performance and lawn health. My key takeaway is to always match the blade size and style to your specific model and replace worn blades when they start to dull or chip. With the right blade and regular maintenance, I can keep my mower running smoothly and my lawn looking its best.

Author Profile

Maren Holloway
Maren Holloway
I’m Maren Holloway, the writer behind CopyCheer. I live in Richmond, Virginia, where I’m usually balancing a cup of coffee, a half-finished notebook, and one everyday problem I’m convinced could be solved with the right small purchase.

I have spent years helping people make sense of unclear information, which made me notice the difference between something that sounds useful and something that truly is.

Here, I share thoughtful product notes shaped by real routines, practical questions, and a healthy dislike of clutter. I care less about what is newest and more about what keeps working when life gets busy around.