Jowlawn 21in mulching blade closeup highlighting sharp edge for efficient cutting.
Jowlawn 742P05642-compatible blade demonstrates seamless replacement fit.
Jowlawn DeWalt 21in compatibility image shows fit on DeWalt 21-inch mower.
Jowlawn S-shaped center hole illustration indicating 7/8 inch spindle compatibility.
Jowlawn easy-install blade swap emphasizes quick, tool-light replacement.
Jowlawn rustproof powder coating suggests extended blade life.
Jowlawn blade on mower deck demonstrates clean mulching and precise trimming.

Jowlawn

Jowlawn 21-Inch Mulching Mower Blade 742P05642 – Compatible with DeWalt 21 Inch, Cub Cadet SCP21E, MTD Walk-Behind (2 Pack)

High-performance patio lawn and garden made for confident daily results

$56.41

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Why customers choose PatioZora Garden

Overview

Upgrade your lawn care with the Jowlawn 21-Inch Mulching Mower Blade. This high-performance replacement is designed to fit popular 21-inch decks and to work with machines from DeWalt, Cub Cadet, MTD, and other walk-behind mowers. It directly replaces OEM numbers 742-05642 and 742P05642 and also accommodates the DeWalt DWO1DT233, helping you maintain a sharp, even cut with minimal downtime. The blade is offered in a convenient 2-pack, delivering value and ready replacements as seasons change.

Before installing, verify that your mower’s spindle and deck match the blade’s specifications. The design emphasizes compatibility with 21-inch mowing decks, ensuring a secure fit and dependable performance across multiple brands.

Compatibility and Fit

  • Directly replaces OEM parts 742-05642 and 742P05642.
  • Substitutes DeWalt model DWO1DT233 for seamless upgrades.
  • Designed to fit DeWalt 21-inch decks, Cub Cadet SCP21E, MTD Walk-Behind mowers, and other 21-inch systems.
  • Center hole is S-shaped to work with standard 7/8" spindles on 21" decks.

Key Features

  • Durable high-grade steel with rustproof powder coating for longer life.
  • Sharp cutting edge promotes efficient mulching and precise grass trimming.
  • Dimensions: 21 inches long × 1.97 inches wide × 0.12 inch thick; fits 21-inch cutting decks.
  • Easy, quick-install design that minimizes downtime and enhances safety during blade swaps.
  • Includes a 2-pack for convenient replacements and ongoing lawn maintenance.

Install, Use, and Care

  • Quick installation: disconnect the spark plug, use a wrench, and swap blades in minutes with no specialized tools required.
  • Maintain proper blade balance and secure mounting to preserve cutting performance and mower safety.
  • Keep blades clean and dry after use; inspect for wear and replace as needed to preserve mulching quality.

Whether you’re aiming for a cleaner mulch layer or crisper edge definition, this Jowlawn blade option offers a practical path to improved mowing results. While outcomes can vary with mower type and grass conditions, the blade is designed to be a dependable, ready-to-use upgrade for many 21-inch deck mowers.

FAQ

Q: Is this blade compatible with my DeWalt 21-inch mower?

A: Yes. It directly replaces OEM 742-05642/742P05642 and fits DeWalt 21-inch models, including SCP21E.

Q: What tools are needed for installation?

A: No special tools required. Disconnect the spark plug, use a wrench to swap blades, and verify a 7/8 inch spindle match.

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