Craftsman 42 Inch Mower Blades – Top Replacement Blades for a Perfect Cut

Diana Jun 18, 2026

When it comes to maintaining a pristine lawn, the right equipment makes all the difference, and at the heart of that equipment lies the blade. For owners of Craftsman riding mowers, specifically those with a 42-inch cutting deck, finding the correct blade is essential for achieving that perfect, even cut. This size is a popular standard in the residential riding mower market, and understanding the nuances of Craftsman mower blades 42 is the first step to optimizing your machine's performance.

MaxPower 42-in Deck Standard Mower Blade for Riding Lawn 2 -Pack Replaces OEM numbers 139775 and 532139775 one_size | 561742B
MaxPower 42-in Deck Standard Mower Blade for Riding Lawn 2 -Pack Replaces OEM numbers 139775 and 532139775 one_size | 561742B

The dimensions of your mower blade are critical to its function and safety. A 42-inch Craftsman blade is designed to fit a specific length of spindle or mandrel on your machine's deck. Installing the wrong size can lead to inefficient cutting, vibration that damages the transmission, or even dangerous wobbling. Always refer to your specific model's manual or the identification tag on the mower deck itself to confirm compatibility, as not all 42-inch decks are created equal across different years and models of Craftsman equipment.

195-005 Oregon 42" Mulching Blades 2 Pack For Ayp, Craftsman, Husky, Poulan
195-005 Oregon 42" Mulching Blades 2 Pack For Ayp, Craftsman, Husky, Poulan

Understanding the Different Types of Blades

Not all blades are the same, and choosing the right profile is just as important as choosing the right size. For a Craftsman 42-inch mower, you will generally choose between three main types, each serving a distinct purpose in lawn care.

MaxPower 42 in. Mulching Mower Blade Set For Riding Mowers 2 pk
MaxPower 42 in. Mulching Mower Blade Set For Riding Mowers 2 pk

Lifting Blades

Often the standard for new mowers, lifting blades are engineered with a specific angle and curvature that creates an upward airflow. This design effectively lifts grass clippings away from the cutting deck, promoting a cleaner discharge and reducing the likelihood of clumping, especially when the grass is damp or tall.

Oregon Gator 42 In. Deck Riding Lawnmower Blade - Fits Husqvarna and Craftsman (2-Count)
Oregon Gator 42 In. Deck Riding Lawnmower Blade - Fits Husqvarna and Craftsman (2-Count)

Mulching Blades

If your goal is to recycle grass clippings back into the lawn as a natural fertilizer, mulching blades are the ideal choice. These blades feature a specialized shape with additional cutting edges and a curved surface that chops clippings into fine pieces. This allows the clippings to decompose quickly without smothering the grass, provided your mower has a plug to redirect discharge back into the cutting area.

High-Lift Blades

2pk Oregon 198-153 Blades for 42" Craftsman T210 13an77xs093 Cmxgram1130043
2pk Oregon 198-153 Blades for 42" Craftsman T210 13an77xs093 Cmxgram1130043

For tough conditions or when dealing with grass that has been left wet for too long, a high-lift blade is a workhorse. These blades have a steep pitch and a deep curve, generating powerful airflow that can suck up and eject wet, dense grass clippings without clogging. They are the preferred choice for commercial use or challenging mowing environments.

Material and Durability Considerations

The longevity and performance of your Craftsman blade depend heavily on the material used in its construction. Most high-quality 42-inch mower blades are stamped from a single piece of durable steel alloy. This manufacturing process ensures the blade can withstand the stress of hitting rocks, sticks, and dense patches of grass without bending or shattering. While steel is standard, some premium options offer thicker gauge metal or reinforced steel hubs that resist wear and fatigue better than thinner, generic alternatives.

CRAFTSMAN 42-in Tractor or zero-turn radius mower (ZTR) Mulch Kit | CMXGZAMA30046
CRAFTSMAN 42-in Tractor or zero-turn radius mower (ZTR) Mulch Kit | CMXGZAMA30046

Maintaining Your Blades for Optimal Performance

Regular maintenance is the key to extending the life of your Craftsman blades and ensuring a healthy lawn. Sharpening is not a one-time task but a routine part of mower care. Dull blades tear the grass rather than cutting it cleanly, leaving the tips brown and ragged. This type of damage makes the lawn more susceptible to disease and requires more water to recover. You should check the blades for sharpness at least once per season and sharpen or replace them as needed. Additionally, always ensure the blade is securely tightened to the spindle; a loose blade can wobble dangerously and throw debris out of the mower deck.

Lawn Mower Blades 691-900 21" Husqvarna AYP Poulan Lawn Mower OEM# 138
Lawn Mower Blades 691-900 21" Husqvarna AYP Poulan Lawn Mower OEM# 138
MaxPower 42 in. Standard Mower Blade For Riding Mowers 1 pk
MaxPower 42 in. Standard Mower Blade For Riding Mowers 1 pk
Rotary 6125 Mower Blades for AYP Craftsman Husqvarna Poulan 42" Deck (2), Size:21 in
Rotary 6125 Mower Blades for AYP Craftsman Husqvarna Poulan 42" Deck (2), Size:21 in
Craftsman 917140475 Lawn Mower Mulching Blade 42" Deck Tractor Model - 2 Pack
Craftsman 917140475 Lawn Mower Mulching Blade 42" Deck Tractor Model - 2 Pack
Oregon 42-in Deck Multipurpose Mower Blade for Craftsman, Husqvarna, and Poulan models using part numbers 127843, 138498, 138791, 21546095
Oregon 42-in Deck Multipurpose Mower Blade for Craftsman, Husqvarna, and Poulan models using part numbers 127843, 138498, 138791, 21546095
Genuine Factory Parts 21 in. Mulching Mower Blade For Walk-Behind Mowers 1 pk
Genuine Factory Parts 21 in. Mulching Mower Blade For Walk-Behind Mowers 1 pk
CRAFTSMAN 42-in Deck Mulching Mower Blade for Riding Lawn 2 -Pack Replaces 942-0616, 742-0616, 7137994 one_size | CMXGZAM110115
CRAFTSMAN 42-in Deck Mulching Mower Blade for Riding Lawn 2 -Pack Replaces 942-0616, 742-0616, 7137994 one_size | CMXGZAM110115
MaxPower 42 in. Mulching Mower Blade For Riding Mowers 1 pk
MaxPower 42 in. Mulching Mower Blade For Riding Mowers 1 pk
2pk Oregon 98-093 Blades for MTD Cub Cadet 942-0616 742-0616 742-04308 942-04308 742-04312
2pk Oregon 98-093 Blades for MTD Cub Cadet 942-0616 742-0616 742-04308 942-04308 742-04312
Hipa 138971 Blades with 5-Star Mounting Pattern for Craftsman 42 inch Mower Lt1000
Hipa 138971 Blades with 5-Star Mounting Pattern for Craftsman 42 inch Mower Lt1000
Hipa 2pcs 422719 134149 Mulching Blades for Craftsman Lt1000 Lt2000 42 inch Deck
Hipa 2pcs 422719 134149 Mulching Blades for Craftsman Lt1000 Lt2000 42 inch Deck
Oregon 4 Pack 195-005 Mower Blade Fits Craftsman 133128 134149
Oregon 4 Pack 195-005 Mower Blade Fits Craftsman 133128 134149
8 Rotary 6189 Mower Blades for AYP Craftsman Husqvarna Poulan 42" Deck, Size:21 in, Black
8 Rotary 6189 Mower Blades for AYP Craftsman Husqvarna Poulan 42" Deck, Size:21 in, Black
42 Inch Mower Mulching Blades for Cub Cadet Troy Bilt MTD Bronco Replace 742-04126 742-0616 942-0616 (6 Point Star)
42 Inch Mower Mulching Blades for Cub Cadet Troy Bilt MTD Bronco Replace 742-04126 742-0616 942-0616 (6 Point Star)
2pk 21" Blade Kit For Craftsman 42" Mowers – Replace 195-005 134149
2pk 21" Blade Kit For Craftsman 42" Mowers – Replace 195-005 134149

Where to Find the Right Blade

Finding a genuine Craftsman mower blade for your 42-inch model is straightforward thanks to the robust dealer network and parts availability that the brand has maintained for decades. The easiest method is to visit your local authorized Briggs & Stratton or Sears Parts store with your model number. Alternatively, you can search online retailers or the Craftsman parts lookup tool using your mower's serial number to cross-reference the exact part number. While third-party generic blades might be cheaper, investing in an original Craftsman component guarantees the precise balance and geometry required for safe and effective operation of your specific machine.