Comparison: Best Murray 21 Lawn Mower Blade (Updated | Oct 14th)
When it comes to maintaining a healthy, well-groomed lawn, the right mower blade can make all the difference. The Murray 21-inch lawn mower blade is a popular choice for homeowners seeking durability and performance, but selecting the best option requires careful consideration. This comparison explores key factors—such as material quality, cutting precision, and compatibility—to help you find a blade that enhances your mowing experience. Whether you’re replacing a worn blade or upgrading for better results, our neutral analysis provides the insights you need to make an informed decision.
Editor’s Choice
Best for a specific purpose
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Best for premium quality:
Bularie 2105200317A Mower Blade 21" -
Best for rust resistant:
TOSRWGLL 84005221 21″Lawn Mower Blade Replacement for Murray/Daye/Hyper Tough MNA152901 MNA152903 MNA152701 Push Mower Blade -
Best for mulching optimized:
2105200317A Mulching Blade Compatible with 21" Mu-rray Da-ye Hyper Tough MNA152901 MNA152903 MNA152701 Push Mower -
Best for tall grass:
Fourtry Replacement 2105200317A 21" Mower Blades -
Best for best overall:
NUBAUTO 2105200317A Lawn Mower Blades 21" Mower Blades -
Best for carbon steel:
HQPASFY 2105200317A Lawn Mower Blade -
Best for durable steel:
Inren Replacement 2105200317A Mower Blades Fits HyperTough/Murray/Da-ye MNA152701 Fits MNA 152901 Fits MNA 152903 Fits MNA152905 21" Lawn Mower Blade -
Best for easy install:
21 inch Lawn Mower Blades Compatible with Murray Hyper Tough -
Best for best value:
Wadoy 2105200317A Blade 21" 2 Pack -
Best for budget 2-pack:
(2 Pack) 2105200317A 21 inch Push Mower Blade Compatible with Murray Hyper Tough
Product Comparison: Best Murray 21 Lawn Mower Blade
Premium quality
Bularie 2105200317A Mower Blade 21", with Oval Center Hole, Compatible with Murray Daye HyperTough Mower, Fit for MNA152701 MNA152901 MNA152903, Replace 2105200317 84005221, 2 Pack
Bularie
- 【Replacement Part Number】 The mower blades replace 2105200317A, 2105200317, 84005221. Please check the part number before your order.
- 【Compatibility】 The cutting blades are compatible with Mu rray MNA152901, MNA152903, MNA152703, MNA152702, Black Max MNA152905 with 21" mower deck, compatible with H yper Tou gh MNA152701 with 20" mower deck. Please check the compatible models before your order.
- 【Premium Quality】 Made of high-quality material, the 2105200317A blade is perfect for cutting grass in the yard. You don't have to worry about interference from sand and stones. The sharp blade allows you to cut the grass cleanly and more efficiently.
- 【Easy To Install】 Replace the blade is simple. Tighten the blade by using a blade lock tool to fix it to the side of the mower deck. Next, take out the bolt and the washer before you install the blade, and replace a new one. Please place the curved side facing the mower deck when installing. Finally, take out the lock device and finish.
- 【Product Dimension】 The package includes 2 x 2105200317A mower blades. Length: 21", Width: 2 1/4", Thickness: 0.1495", Oval Center Hole: 31/32", Outside Hole: 5/7", Center to Center: 2 1/8". Please carefully check and compare the blade size with your original items before ordering.
Rust resistant
TOSRWGLL 84005221 21″Lawn Mower Blade Replacement for Murray/Daye/Hyper Tough MNA152901 MNA152903 MNA152701 Push Mower Blade,Lawn Dethatcher Blade Replaces Parts 2105200317/2105200317A
TOSRWGLL
- 【Fit For】 Mower blade compatible with Hyper Tough 20" walk behind mower MNA152701,Murray 21" walk-behind mower MNA 152901,MNA 152903, Black Max 21" 2-In-1 gas push mower MNA152905.
- 【Mower Blade Part Number】84005221 Replaces Parts: 2105200317/2105200317A lawn dethatcher blade.
- 【Permium Quality】21 inch mower blade powder-coat finish help to prevent rust. Extended cutting surface helps with cutting efficiency. Tungsten carbide is fused to the blade for a hard cutting surface that will lead to longer intervals between sharpening.
- 【Features】Ultra high quality,meticulously crafted from durable materials, it ensures longevity and endurance even in the toughest conditions. with this blade, you can fortlessly tackle any job.
- 【After-Sales Guarantee】 We are committed to excellent quality and the best service. If you are not completely satisfied with the purchased goods, please contact us in time, we will give a satisfactory solution.
Mulching optimized
2105200317A Mulching Blade Compatible with 21" Mu-rray Da-ye Hyper Tough MNA152901 MNA152903 MNA152701 Push Mower, Repace 2105200317 84005221, 1 Pack
ZONEWO
- [Replace Part Numbers]: 2105200317A/ 84005221/ 2105200317
- [Compatibility]:Compatible with Hyper Tough 20" Push Mower MNA152701; Compatible with Murray 21" Push Mowers MNA152901, MNA152903;Compatible with Black Max 21" 2-in-1 Gas Push Mower MNA152905
- [Mower Blade Size]: Length 21", Width 2 1/4", Cutting Edge Length 6 1/4", Thickness 1/8", Air Lift 3/4",Oval center hole.Please double-check the specifications before placing your order to avoid any incorrect purchases
- [21" Mulching Blade]:This 21 inch Hyper Tough blade is deal for cutting tall grass and dense vegetation in your yard. The blade's Curved edges for fine grass cutting, discharges clippings back to the lawn as natural fertilizer.Excellent for dense mowing conditions
- [Safety Coating on New Blades]:NO NEED TO SHARPEN.When installing a new blade or cutter, you may notice that the cutting edge is pre-sharpened and then painted. This paint serves as a safety measure to protect you from injury during installation. The coating will naturally wear off during the initial use and should not be removed manually
Tall grass
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
- 【Replace Part Numbers】Compatible with 2105200317A/ 84005221/ 2105200317. Before purchase, please confirm the model you require by removing the old blade and inspecting the part number printed on the blade.
- 【Compatible With】The lawnmower blades are fit for Hyper Tough 20" Walk Behind Mower MNA152701; Murray 21" Walk-Behind Mower MNA 152901, MNA 152903; fit for Black Max 21" 2-In-1 Gas Push Mower MNA152905.
- 【Easy to Install】Installation completes in minutes, just disconnect the spark plug, then use a block of wood or something to hold the blade in place, remove the bolt, and replace the old blade with our mower blade using the same bolt. Please make sure the blade is facing the same direction as the old blade was, there are arrows on the blade showing which direction it should turn.
- 【Better Applications】The strong and durable blade is ideal for cutting tall grass and dense vegetation in the yard. You don't have to worry about the interference of sand and stones. The sharp blade allows you to cut effortlessly and consistently. Replace your stuck old blades with our lawn mower blades right now for a whole new lawn mower experience!
- 【Blade Specifications】Blade length: 21 inches, Width: 2 1/4 inches, Thickness: 0.1495 inches, Center Hole: oval. Please check your blade part number and spindle pattern before ordering.
Best overall
NUBAUTO 2105200317A Lawn Mower Blades 21" Mower Blades,Push Lawn Mower Blade Compatible with Murray/Daye/Hyper Tough MNA152901 MNA152903 MNA152701,Replaces 84005221 2105200317 Mower Blade,2 Pack
NUBAUTO
- 【Replace Part Numbers】2105200317A 21" mower blades replace part numbers：2105200317A,2105200317,84005221（Please verify your part number before ordering, removing the old blade and finding the part number stamped on it is the easiest way to check.）
- 【Compatible Model】2105200317A mower blade compatible with Murray 21" Cut Walk Behind Mower(2020) MNA152901 MNA152903,Murray 21" Walk-Behind Mower(2021) MNA152703 MNA152702, Hyper Tough 20" Walk Behind Mower MNA152701, Black Max 21" 2-In-1 Gas Push Mower MNA152905.Note: 2105200317 blade is not manufactured by Murray/Daye/Hyper Tough
- 【Permium Quality】2105200317A lawn mower blades are powder coated to help prevent rust. In addition, the 2105200317A lawn mower blade utilizes a unique hardening technique that fuses the blade with tungsten carbide to create a hard cutting surface, which extends the time between sharpenings and helps increase cutting efficiency. NOTE: Coating will flake off during use, no sharpening required to show true sharpness!
- 【Better Applications】The rugged 21-inch Hyper Tough blade is perfect for cutting tall grass and dense vegetation in your yard. The blade's aggressive blade angle promotes airflow to push debris up and out, making it easy to remove excess grass, and you won't have to worry about debris interfering. The razor-sharp blades allow you to keep mowing effortlessly.
- 【Specification】84005221 lawn mower blade length: 21 inches, width: 2 inches, thickness: 0.07 inches, center hole: oval. Package Includes: 2x 2105200317A Blades.If you have any questions, please feel free to contact us via email
Carbon steel
HQPASFY 2105200317A Lawn Mower Blade, Compatible with 21" Murray Daye Hyper Tough MNA152901 MNA152903 MNA152701 Mower, Lawn Mulching Blade Replaces 84005221, 2105200317, 1 Pack
HQPASFY
- Replace For Part Number-The lawn mower blade replaces part number 2105200317, 2105200317A, 84005221.
- Fits Models-Compatible with Murray 21"Cut Walk Behind Mower[2020]: MNA152901 、MNA152903; Murray 21" Walk Behind Mower[2021]: MNA152702、MNA152703; Hyper Tough 20" Walk-Behind Mower: MNA152701; Black Max 21" 2-in-1 Gas Push Mower[2021]: MNA152905.
- Dimension-The package contains 1 mower blade. Length: 21", Width: 2.15". The lawn mower blade comes with an oval center-hole pattern. Please check your part number, compatible model, and blade pattern before your order.
- High-Quality Material-The mower blades are made of durable and long-lasting carbon steel material for excellent performance and long life. Powder coating helps to avoid rust. Extended cutting surface improves the efficiency of cutting.
- Improved Lawn Care-By using this replacement blade, the mower's cutting ability and engine performance is maintained, the lawn is neatly trimmed, the equipment runs efficiently, and ultimately the overall lawn care experience is enhanced.
Durable steel
Inren Replacement 2105200317A Mower Blades Fits HyperTough/Murray/Da-ye MNA152701 Fits MNA 152901 Fits MNA 152903 Fits MNA152905 21" Lawn Mower Blade,Replaces 84005221 2105200317, 1Pack
Inren
- 【Replace OEM Numbers】2105200317, 2105200317A, also Fits for MNA152901,Fits MNA152903, Fits MNA152701, 84005221. （Please verify your part number before you order.Removing the old blade and finding the part number printed on it is the easiest way to check.）
- 【Compatible Model】①for Hyper Tough 20" Walk Behind Mower for MNA152701; ②for Murray 21" Walk-Behind Mower for MNA 152901, for MNA 152903; ③for Black Max 21" 2-In-1 Gas Push Mower for MNA152905.
- 【Blade Specifications】Length: 21" , Width: 2 1/4" , Thickness: 0.1495" ,Oval Center Hole: Please check your blade part number and spindle pattern before ordering.
- 【Easy Installation】Installation is completed in minutes, just disconnect the spark plug, then use a block of wood or something to hold the blade in place, remove the bolt and replace the old blade with our mower blade using the same bolt. Please make sure the blade is facing the same direction as the old blade. There are arrows on the blade to show which way it should face.
- 【After-sales service】You will enjoy the 6 months warranty service provided.
Easy install
21 inch Lawn Mower Blades Compatible with Murray Hyper Tough,2105200317A Lawn Mower Parts for Blackmax, MNA 152901,152701,152903,152905, 84005221, 2105200317(1 pc)
BeadChica
- 【 Push Mower Blades】 2105200317A,2105200317 84005221 lawn mower blades Repacement Parts.
- 【Compatibility】 21 inch mower blade Compatible with 21" Murray Walk-Behind MNA 152901, MNA 152903.Compatible with Black Max 21" 2-In-1 Gas Push Mower MNA152905.Compatible with Hyper Tough 20" Walk Behind Mower MNA152701
- 【Size Information】blade is 21" long, 2" width.Please confirm the correct parts before purchase.
- 【Easy to Install】To replace a lawn mower blade, you’ll first need to shut off the mower and/or disconnect the spark plug. Remove the main bolt and each blade bolt. Then take your replacement mower blade kit and replace the old blades with new blades.
- 【Great Replacement】Dull mower blades shred grass leaves, which become an ugly brown and susceptible to disease. Even the best lawn mowers will have their blades wear down over time. So ensure you not only sharpen your blades, but change them regularly too! Sharp blades cut evenly, giving your lawn a smooth look.
Best value
Wadoy 2105200317A Blade 21" 2 Pack, Compatible with Mu-rray Da-ye Hyper Tough MNA152901 MNA152903 MNA152701 2105200317 84005221 Mower Blade
Wadoy
- Lawn Mower Blade Part Number: 2105200317, 2105200317A, also fit for model MNA152901, MNA152903, MNA152701, 84005221. Please confirm this is the blade you need before placing an order, the easiest way to check is to remove the old blade and find the part number printed on the blade.
- Long Lasting: Powder-coat finish help to prevent rust. Extended cutting surface helps with cutting efficiency. Tungsten carbide is fused to the blade for a hard cutting surface that will lead to longer intervals between sharpening.
- Product Specifications: 21 inch long, easy to install. 2 Pack Blades.
- Non original aftermarket part. – "2105200317A Blades, compatible with Hyper Tough." This blades were not created by Hyper Tough, or affiliated with the brands it fit, including Mu-rray Da-ye.
- Improved Lawn Care: By using this replacement kit, the lawn mower's cutting ability and engine performance are maintained, leading to a well-manicured lawn and efficient operation of the equipment, ultimately enhancing the overall lawn care experience.
Budget 2-pack
(2 Pack) 2105200317A 21 inch Push Mower Blade Compatible with Murray Hyper Tough,Blackmax, MNA 152901,152701,152903,152905, 84005221, 2105200317,Lawn Mower Blades
BeadChica
- 【 Push Mower Blades】 2105200317A,2105200317 84005221 lawn mower blades Repacement Parts.
- 【Compatibility】 21 inch mower blades Compatible with 21" Murray Walk-Behind MNA 152901, MNA 152903.Compatible with Black Max 21" 2-In-1 Gas Push Mower MNA152905.Compatible with Hyper Tough 20" Walk Behind Mower MNA152701
- 【Size Information】blade is 21" long, 2" width.Please confirm the correct parts before purchase.
- 【Easy to Install】To replace a lawn mower blade, you’ll first need to shut off the mower and/or disconnect the spark plug. Remove the main bolt and each blade bolt. Then take your replacement mower blade kit and replace the old blades with new blades.
- 【Great Replacement】Dull mower blades shred grass leaves, which become an ugly brown and susceptible to disease. Even the best lawn mowers will have their blades wear down over time. So ensure you not only sharpen your blades, but change them regularly too! Sharp blades cut evenly, giving your lawn a smooth look.
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.
Buying Guide
FAQs
Which blade is compatible with Murray 21"push mowers?
All listed blades (B0D627DGCC, B0D4TRVCSS, etc.) are compatible with Murray 21"models.
Are there mulching-specific blades available?
The B0DRDKGSK7 blade is explicitly labeled as a mulching blade.
Which blade includes multiple blades per pack?
B0BPHJMFHG and B0CS35FP5P offer 2-pack options.
Do these blades fit non-Murray brands?
Yes, they are compatible with Daye, Hyper Tough, and similar models.
Which blades have oval center holes?
B0D627DGCC and B0D2MV2Y8F feature oval center holes.
What is the part number for Murray 21"blades?
The OEM part number is 2105200317A, used across all listed replacements.
Are there differences in blade material?
All blades are steel, but hardness and sharpness may vary by brand.