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A sharp, well-maintained lawn mower blade is crucial for a healthy and attractive lawn. The right blade ensures a clean cut, promotes grass health by preventing tearing, and can even improve your mower's efficiency. Investing a little time in understanding blade types and features will pay dividends in the long run.
Includes 2 blades that fits many 42-in cut Poulan, Husqvarna, and Craftsman mowers - Please Match Current Blade OEM Number to Confirm it fits your Mower
Includes 1 mulching blade for many 21 in. cut MTD, Cub Cadet, Troy-Bilt, and Craftsman mowers. Must Match Current Blade OEM Number to insure exact fit.
Fits Cub Cadet Models: CC Series- 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 Series- 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...
Important: Parts may differ between different configurations of the same mower model. Please confirm the complete model number to ensure a proper fit. For a more detailed list of compatible models, check the description below
Replacement Blades: 422719 Craftsman 42 inch Mower Blades Compatible with LT2000 (Only for 917289100, 917289101, 917289102, 917289103, 917289104, 917289105, 917289106, 917288070), LT1000, YT3000, YT4000 (917.289260, 917.289261, 917.289263), DYS...
Includes 3 blades for many 60 in. cut Exmark mowers
Fits Exmark models CT, Front Runner, Laser HP, Laser Z, Laser Z E, Laser Z S, Laser Z X, Laser Z XP, Laser Z XS, Phaser, Pioneer, Quest, SP, Turf Ranger, Ultra Cut and Vantage
[Who is 942-04308 Blades for?]: Designed for homeowners with Riding Mower/ RZT Mowers/Lawn Tractors/Zero-Turn Mowers with a 42-inch Cutting Deck, (1997 - ).Brands:Cub Cadet Troy-Bilt, MTD, Craftsman, MTD Gold, Bolens, White Outdoor, Yard Machines, Yard...
Cub Cadet XT1-LT42 and XT2-LX42 models use different blade center holes; our blades are 6-Point Star mounting pattern ONLY (fits OEM 942-04308A), please verify your original blade before ordering as other patterns will not fit.
942-04308A Mower Blades Dimensions: Length 21-1/4", Width 2-1/2", Center Hole 6 point star, Side Hole 3/8", Center to Center Outside Hole 3", Air Lift 1-7/64", Cutting Edge Length 6-57/64", Compatible Deck Size 42". The length of the blade is measured...
Fits: 942-04308A Cub Cadet 42 inch Mower Blades 6 Point Star Compatible with Enduro XT1 LT42, XT1 LT42 C, XT1 LT42 KH, XT1 LT42 EFI, XT2 LX42, XT2 LX42 KH, XT2 LX42 KW, XT2 LX42 EFI, Ultima ZT1 42 KH, LTX1040. Important: Parts may differ between different...
Last update on 2026-10-17 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Lawn Mower Blades
Blade Material and Durability
Lawn mower blades are typically made from hardened steel, but the quality can vary significantly. High-carbon steel offers a good balance of hardness and toughness, resisting wear and staying sharp longer. Some premium blades may feature coatings like titanium or ceramic for enhanced durability and corrosion resistance. Consider the frequency of your mowing and the types of grass you have when evaluating material quality.
Blade Types and Their Functions
Standard/High-Lift Blades: These are the most common and are designed to lift grass clippings high into the air before discharging them. They are good for bagging or mulching in most conditions.
Mulching Blades: These blades have a curved or serrated edge that chops grass clippings into very fine pieces, returning nutrients to the lawn. They work best when mowing frequently and not cutting off more than one-third of the grass blade length.
Low-Lift Blades: These create less airflow and are ideal for sandy soil or dry conditions where excessive suction could damage the turf or kick up too much dirt.
Gator/3-in-1 Blades: These often feature a serrated edge designed for aggressive mulching and bagging, offering versatility for various lawn care needs.
Blade Size and Compatibility
Ensuring the blade fits your mower is paramount. Blades are measured by their length, center hole diameter, and often by the diameter of the outer holes. Always consult your mower's manual for the exact specifications. Using a blade that is too long can cause damage to the mower deck and housing, while a blade that is too short may not provide adequate coverage.
Maintenance and Sharpening
Regular maintenance will extend the life of your blade and improve cutting performance. Inspect blades for nicks, bends, or excessive wear before each use. Sharpening should be done at least once a season, or more often if you hit rocks or debris. Balanced blades are essential to prevent vibration, which can damage mower bearings and spindles.
Frequently Asked Questions
How often should I sharpen my lawn mower blade?
It's generally recommended to sharpen your lawn mower blade at least once per mowing season. If you frequently mow through tough grass, hit rocks, or notice a ragged cut, you may need to sharpen it more often.
What does 'high-lift' mean for a lawn mower blade?
A high-lift blade is designed to create strong suction, lifting the grass blades upright before cutting. This results in a cleaner cut and is particularly effective for bagging clippings or when dealing with taller grass.
Can I use a mulching blade for bagging?
While a mulching blade is designed to chop grass finely, it can often be used for bagging as well. However, a dedicated bagging blade (high-lift) might be more efficient for collecting clippings.
How do I know if my blade needs replacing?
Look for significant nicks, bends, cracks, or excessive wear on the cutting edge. If the blade is noticeably unbalanced or damaged, it's time for a replacement to ensure safety and proper cutting performance.
What is the difference between a standard and a low-lift blade?
A standard or high-lift blade creates more airflow for better bagging or mulching, while a low-lift blade produces less suction. Low-lift blades are better suited for sandy soil or dry conditions to avoid excessive dirt disturbance.
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