Jowlawn 742P05642 21-Inch Mulching Mower Blade — DeWalt Cub Cadet MTD Compatible

Overview

Discover the Jowlawn 742P05642 21-Inch Mulching Mower Blade, designed to fit a wide range of 21-inch deck mowers. This blade directly replaces OEM parts 742-05642 and 742P05642 and is compatible with DeWalt 21-inch decks (including DWO1DT233), as well as Cub Cadet SCP21E and MTD walk-behind models. Built to withstand regular yard work, it merges dependable durability with a sharp edge that helps deliver clean, mulched clippings and even distribution over your lawn.

The blade is crafted from high-grade steel with a rustproof powder coating, helping it resist the elements and maintain its edge through seasons of mowing. The result is a tool that supports consistent mulching performance and precise trimming, contributing to a well-groomed lawn when used as part of a regular mowing routine.

Key Benefits

• Direct replacement for OEM numbers 742-05642 and 742P05642, with compatibility across DeWalt, Cub Cadet SCP21E, and MTD decks.
• Durable steel construction with rustproof coating designed for extended blade life in varied weather.
• Sharp cutting edge promotes efficient mulching and clean, even grass distribution.
• Quick-install design that swaps blades in minutes with a standard wrench—no special tools required.

Fitment andSpecifications

Important dimensions include a 21-inch length, 1.97-inch width, and 0.12-inch thickness. The S-shaped center hole is engineered for a 7/8-inch spindle, making it suitable for most 21-inch cutting decks. This combination of size and hole pattern helps ensure a balanced, stable cut across mowing sessions.

• Fits 21-inch deck walk-behind mowers from DeWalt, Cub Cadet SCP21E, MTD, Troy-Bilt, and other brands—confirm deck model and spindle size before use.
• S-shaped center hole matched to common 7/8-inch spindles for a secure fit.

Installation Tips and Real-World Use

For a safe, quick replacement, disconnect the spark plug, secure the blade with a wrench, and swap in minutes. Reassemble according to your mower’s guidelines, conduct a brief balance check, and test in a safe area before mowing. In everyday use, this blade can contribute to smoother mulching and tidy clippings across a variety of grasses, especially when paired with regular mower maintenance. Results can vary with conditions, but the design emphasizes reliability and consistent performance rather than guarantees.