A high-quality lawn mower blade can make all the difference when it comes to achieving a pristine, well-manicured lawn.
Whether you’re mulching, bagging, or side-discharging, the right blade enhances cutting performance, boosts mower efficiency, and promotes healthier grass.
From standard push mowers to heavy-duty riding mowers, blade compatibility, material quality, and design features are crucial factors.
In this guide, we’ve rounded up the 10 best lawn mower blades for 2025, trusted by homeowners and professionals alike.
Each blade has been carefully selected for its durability, precision, ease of installation, and exceptional customer reviews to help you get the job done right.
1. MaxPower 331528B Mulching Blade
The MaxPower 331528B Mulching Blade is a premium replacement blade designed for 21-inch cut MTD, Cub Cadet, Troy-Bilt, and Craftsman lawn mowers.
Measuring 21 inches in length and 2-1/4 inches in width, this blade features a durable bow tie center hole pattern for secure installation.
It replaces OEM part numbers 742-04100, 742-0741, 742-0741A, 942-0741, 942-0741A, and Craftsman CMXGZAM100067, ensuring broad compatibility across popular mower brands.
Manufactured in the USA, the blade is engineered to meet or exceed OEM specifications, offering reliable performance and longevity.
Customers praise its sharpness, ease of installation, and ability to deliver a clean, even cut-making lawns look professionally maintained.
The MaxPower 331528B is an excellent value for those seeking a sturdy, high-quality mulching blade that enhances mowing efficiency and mulching performance.
2. GreenWorks 2905203, Blade for 21” Mower
Upgrade your lawn mower’s cutting performance with the GreenWorks 2905203 21” Replacement Blade.
Crafted from heat-treated steel for durability and precision, this genuine GreenWorks blade is designed to deliver a clean, even cut every time.
It is compatible with a wide range of GreenWorks 21-inch mowers across their 40V, 60V, 80V, and dual 24V platforms-making it a versatile solution for many models.
The blade measures 21 inches in length, ensuring optimal coverage and efficient grass mulching or bagging. Installation is straightforward, and customers consistently praise its perfect fit and improved mowing results.
Whether you’re replacing a worn blade or keeping a spare on hand, this replacement part restores your mower’s cutting power and keeps your lawn looking sharp.
Enjoy fast, free shipping and easy returns with Amazon Prime, plus the confidence of a highly rated, top-selling product from a trusted brand.
3. MaxPower 331376XB Commercial Mulching Mower Blade
MaxPower 331376XB Commercial Mulching Mower Blade is a high-quality replacement blade designed specifically for 22-inch Toro Recycler mowers.
Measuring 21-11/16 inches long and 2-1/4 inches wide with a 7/16-inch center hole, it replaces OEM numbers 108-9764-03, 131-4547-03, and 104-8697-03.
Proudly made in the USA, this blade is manufactured to meet or exceed OEM specifications, ensuring durability and reliable performance.
The blade comes powder coated for protection and is sharpened during manufacturing, ready to deliver a clean, even cut right out of the box.
Users praise its superior mulching ability, clean cutting performance, and perfect fit, noting it outperforms the original Toro blade in many cases.
Easy to install within minutes, it enhances your mower’s efficiency by finely mulching grass and leaves, making lawn maintenance smoother and more effective.
This blade is an excellent value for Toro Recycler owners seeking a durable, high-performance mulching blade.
4. EGO Power+ AB2100 21-Inch Lawn Mower Blade
The EGO Power+ AB2100 21-Inch Lawn Mower Blade is a premium replacement blade designed specifically for EGO 56V mower models including LM2101, LM2100, LM2102SP, LM2100SP, and LM2142SP.
Crafted from factory-sharpened steel and finished in sleek black, this genuine EGO part ensures superior cutting performance and durability.
Its 3-in-1 design supports mulching, bagging, and side discharging, delivering a clean, precise cut that promotes healthier, greener lawns.
Easy to install and engineered for perfect compatibility, this blade restores your mower’s efficiency and cutting power, making lawn maintenance faster and more effective.
Customers praise its sharpness right out of the box, excellent fit, and the noticeable improvement in cut quality.
Whether replacing a worn blade or upgrading your mower’s cutting system, the AB2100 blade offers reliable, long-lasting performance backed by EGO’s trusted quality standards.
5. Toro 22″ Recycler Mower Replacement Blade 59534P
The Toro 22″ Recycler Mower Replacement Blade 59534P is a genuine OEM part designed to restore your mower’s cutting efficiency and performance.
Made from durable medium carbon steel, this heavy-duty blade measures 21-11/16 inches in length, 2-1/4 inches in width, and features a 7/16-inch center hole diameter for a perfect fit on compatible Toro Recycler mowers.
Engineered for sharpness and balance, it delivers a clean, even cut that revitalizes your lawn mower’s ability to mulch, bag, or discharge grass clippings effectively.
Customers consistently praise this blade for its easy installation-typically under 5 minutes-durability, and excellent cutting performance that rivals or surpasses the original blade.
It is well balanced, ensuring smooth operation without excessive vibration. This replacement blade offers great value, extending the life of your mower and enhancing lawn care quality.
Fast shipping and hassle-free returns make it a smart choice for Toro mower owners seeking reliable, long-lasting blade replacement.
6. MTD Genuine Parts (490-100-M067 Mulching Blades-for 21-Inch Lawn Mowers
The MTD Genuine Parts 490-100-M067 Mulching Blade is expertly engineered for 21-inch lawn mowers manufactured from 1995 onward.
Designed to fit a wide range of trusted brands including Troy-Bilt, MTD, Yard Machines, Huskee, and Bolens, this blade offers versatile 3-in-1 functionality-mulching, bagging, and side discharge-to suit your lawn care preferences.
Its star-shaped center hole ensures a secure, stable fit and easy installation on compatible mower shafts.
Crafted with durable materials, this blade efficiently chops grass clippings into fine particles, enriching your lawn by returning nutrients to the soil while reducing waste.
It serves as a direct replacement for OEM part numbers 942-0741, 942-0741A, 742-0741, and 742-0741A, guaranteeing perfect compatibility without compromising performance.
Customers praise its sharpness, durability, and the noticeable improvement in cutting quality.
Ideal for homeowners seeking reliable, high-quality replacement blades that keep their mower running smoothly season after season.
7. GY20850 Mower Blades for John Deere 42 Inch
Upgrade your John Deere mower with the UDC Parts GY20850 Mower Blades 2-Pack, designed for 42-inch decks on models including D105, D130, S100, S110, S240, X300, E100, E110, and LA135.
These high-quality mulching blades replace OEM part numbers AM131033, AM137333, AM141033, GX22151, and more, ensuring perfect fit and reliable performance.
Crafted from durable, thick steel with a unique green coating, these blades maintain sharpness longer and deliver a clean, precise cut that enhances mulching and overall lawn health.
The 7-point star center hole and 21-3/8″ diagonal length provide secure mounting and optimal coverage.
Customers praise their easy installation, excellent cutting power, and durability-even through thick grass and twigs.
Ideal for homeowners seeking a cost-effective, heavy-duty blade replacement that improves mowing efficiency and lawn appearance.
Enjoy a smooth, quieter cut and extend the life of your mower with these trusted, high-performance blades.
8. Grasscool 21 inch Mulching Blade for Troy Bilt
The Grasscool 21 Inch Mulching Blade is a high-quality replacement blade designed for 21-inch deck lawn mowers from Troy-Bilt, MTD, Cub Cadet, Craftsman, and other compatible brands.
Engineered to replace OEM part numbers such as 942-0741A, 742-0741, and 742-0741A, this mulching blade features a durable bow tie center hole for secure fitment.
Made from tough, rust-resistant steel with a protective coating, it delivers sharp, precise cuts that mulch, bag, and side-discharge grass clippings efficiently.
Its 3-in-1 design promotes healthier lawns by finely chopping grass and recycling nutrients back into the soil while reducing clogging and improving airflow.
Customers praise its easy installation, OEM-perfect fit, and excellent cutting performance-even on overgrown or rugged terrain.
Whether upgrading or replacing worn blades, the Grasscool mulching blade offers reliable durability and superior mowing results at great value, making it a top choice for homeowners seeking professional-quality lawn care.
9. Hipa 942-04244A High Lift Mower Blades
The Hipa 942-04244A High Lift Mower Blades are premium replacement blades designed for 46-inch decks on Cub Cadet, Craftsman, and Troy-Bilt lawn mowers, including popular models like XT1, XT2, LT46, LTX1045, LTX1046, and more.
These blades feature a 6-point star center hole (5/8″) and are crafted from durable steel with a high-lift design that creates powerful airflow for efficient bagging and side discharging.
Measuring 23-1/4 inches in length and 3-1/32 inches in width, they deliver fast, clean cuts even on tall or wet grass, improving mowing speed and lawn health.
The blades come painted on the cutting edges to prevent rust and protect hands during installation, with paint naturally wearing off during use.
Customers praise their perfect OEM fit, excellent mulching action, balanced design, and easy installation. Sold as a 2-pack, these blades offer great value for maintaining your mower’s peak performance.
10. Grasscool 42 Inch Mower Blades for Craftsman Riding Mowers
The Grasscool 42 Inch Mower Blades are precision-engineered replacement blades designed for 42-inch deck riding mowers including Craftsman LT1000, LT2000, T110, YT3000, Poulan Pro PP19A42, and Husqvarna YTH18542 models.
Featuring a 5-point star center hole for secure fitment, these medium lift blades measure 21 inches in length, 2-1/4 inches in width, and 5/32 inch thick, delivering powerful airflow for efficient cutting, mulching, and bagging.
Constructed from durable steel with rust-resistant painted edges, they ensure longevity and protect hands during installation.
Ideal for tough mowing tasks, these blades handle overgrown weeds and rugged terrain with ease, while still providing a clean, even cut on regular lawns.
Rigorous quality testing guarantees superior balance, strength, and performance. Customers praise their perfect fit, sharp cutting ability, and easy installation.
Upgrade your mower with Grasscool blades for reliable, professional-grade lawn care and extended mower life.