Chway 331737B 21-In Mulching Blade Circle Mount for Husqvarna Craftsman 21-In Decks (Replaces 165833 175064 189028 406712)

Enhance your lawn care with the Chway 331737B 406712 Mulching Blade

Upgrade your mowing routine with a mulching blade built for 21 inch Husqvarna and Craftsman decks. This blade replaces several common OEM numbers, including 165833 175064 189028 406712 532175064 532165833 532189028 and 532406712, offering a straightforward upgrade path for compatible mowers. The circle mounting pattern anchors the blade securely to the deck, ensuring reliable alignment during each pass and a consistent cut across the work area.

The blade is designed as a mulching option with carefully curved edges that promote a strong airflow. This design helps move clippings through the cutting zone in a smooth cycle, generating finely chopped mulch that can return to the lawn as a natural nutrient. Users have reported a notable increase in bagging capacity when using efficient mulch cycling, which can reduce the frequency of emptying during larger yard jobs.

Key compatibility and fit

• Deck compatibility for 21 inch Husqvarna and Craftsman mowers
• Replaces OEM numbers 165833 175064 189028 406712 532175064 532165833 532189028 532406712
• Circle mounting pattern with a precise center hole alignment for stable installation

Performance and durability

• Aerodynamic blades with multiple curves to foster strong airflow and a continuous cutting cycle
• Mulching blade design that helps recycle clippings back to the lawn as a nutrient and reduces clogging
• High strength steel with advanced heat treatment for hardness and long life on weeds and uneven terrain
• Coated with paint for extra corrosion protection and safer handling during installation

Specification highlights include a 21 inch length, a 2-1/4 inch width, and a 0.15 inch thickness for a 21 inch deck lift of 1-1/8 inches. The blade is built to deliver neat cuts that resemble a precise scissors pass, while remaining a robust tool for diverse mowing conditions. A note to check your center hole pattern before purchase helps avoid installation issues and ensures a proper fit.

For best results, pair this blade with regular mower maintenance and blade checks. While the data outlines several benefits, actual outcomes can vary based on mowing conditions, grass type, and maintenance habits. This blade is designed to be a practical upgrade option that expands mulching capabilities without promising specific results.