{"product_id":"chway-331737b-21-inch-mulching-blade-with-circle-mount-husqvarna-craftsman-21-inch-deck","title":"Chway 331737B 21-Inch Mulching Blade with Circle Mount – Husqvarna \u0026 Craftsman 21-Inch Deck","description":"\u003ch2\u003eEnhance your lawn care with the Chway 331737B mulching blade\u003c\/h2\u003e\n\u003cp\u003eThe Chway 331737B 21-inch mulching blade is engineered to fit common 21-inch mower decks from Husqvarna and Craftsman. It replaces OEM models such as 165833, 175064, 189028, and 406712, making a straightforward swap for many yards and setups.\u003c\/p\u003e\n\u003ch3\u003ePrecise fit and mounting\u003c\/h3\u003e\n\u003cp\u003eThis blade uses a circle mounting pattern with a centered hole to ensure balanced operation. Key dimensions match a 21-inch deck: 21 inches in length, 2-1\/4 inches in width, and 0.15 inches in thickness. Lift is 1-1\/8 inches. Before purchasing, confirm your center hole pattern to avoid installation issues.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFits Husqvarna and Craftsman 21-inch decks\u003c\/li\u003e\n\u003cli\u003eOEM replacements include 165833, 175064, 189028, 406712\u003c\/li\u003e\n\u003cli\u003eDeck compatibility: 21-inch; circle mounting pattern; center hole geometry\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAerodynamic performance for efficient mowing\u003c\/h3\u003e\n\u003cp\u003eThe blade features curved surfaces designed to generate strong airflow during cutting. This airflow helps grass move through the cutting cycle, producing finely chopped clippings that can be returned to the soil as a nutrient. The design can also contribute to an increased bagging capacity, reducing the frequency of stoppages when collecting clippings.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRobust airflow maintains cutting momentum\u003c\/li\u003e\n\u003cli\u003eFinely chopped clippings aid soil nutrient recycling\u003c\/li\u003e\n\u003cli\u003ePotential for higher bagging capacity with fewer clogs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDurability you can rely on\u003c\/h3\u003e\n\u003cp\u003eMade from high-strength steel with advanced heat treatment, the blade is built to withstand tough mowing, weeds, and uneven terrain. The finished cut remains neat and even, mirroring the precision of a quality handheld scissor cut through challenging patches.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-strength steel with heat treatment for hardness\u003c\/li\u003e\n\u003cli\u003eDurable against weeds and uneven terrain\u003c\/li\u003e\n\u003cli\u003eNeat, even cut across varied conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eQuality testing and protection\u003c\/h3\u003e\n\u003cp\u003eChway subjects the blade to a rigorous test regime, including dynamic balance, Rockwell hardness, V-bend, chip, performance, and field tests. A protective paint coating adds corrosion resistance and helps guard hands during installation, supporting long-term reliability and user safety.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDynamic balance and hardness tests for reliability\u003c\/li\u003e\n\u003cli\u003eV-bend and chip tests validate toughness\u003c\/li\u003e\n\u003cli\u003ePaint coating provides corrosion protection and safer handling\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReal-world use and expectations\u003c\/h3\u003e\n\u003cp\u003eThis mulching blade aims to deliver crisp, consistent cuts while recycling clippings into the lawn. It is designed to be a practical upgrade for gardeners seeking efficiency and a tidy finish, especially on 21-inch Husqvarna and Craftsman decks. Results vary with mower setup and maintenance, but many users notice smoother operation and easier upkeep when using a compatible mulching blade.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote: Verify center hole pattern before purchase to ensure installation goes smoothly.\u003c\/strong\u003e\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this blade compatible with Husqvarna and Craftsman 21-inch decks?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, it fits 21-inch Husqvarna and Craftsman decks, replacing OEM numbers 165833, 175064, 189028, and 406712.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What performance benefits does this mulching blade offer?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The design promotes efficient airflow, reduced clogging, and finely chopped grass returned to the soil as a nutrient.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Chway","offers":[{"title":"Default Title","offer_id":45741131038906,"sku":"B0G8MJFC7Z","price":65.24,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/3536\/8890\/files\/chway-331737b-21inch-mulching-blade-circle-mount.jpg?v=1774810257","url":"https:\/\/gardencanada.ca\/products\/chway-331737b-21-inch-mulching-blade-with-circle-mount-husqvarna-craftsman-21-inch-deck","provider":"Garden Canada","version":"1.0","type":"link"}