{"product_id":"troy-bilt-742p05643-lawn-mower-blade-21-inches","title":"Troy-bilt 742p05643 Lawn Mower Blade 21 Inches","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe TROY-BILT 742p05643 is a 21-inch replacement cutting blade designed for Troy-Bilt walk-behind lawn mowers with an S-mount configuration. This OEM-style blade mounts directly to the mower deck spindle and delivers a clean cut across a standard 21-inch cutting path. It is a direct service part intended for installation by lawn equipment technicians or experienced service professionals performing routine blade replacement or end-of-season maintenance.\u003c\/p\u003e\n\u003cp\u003eThis blade is suited for residential walk-behind mower applications where a 21-inch deck with S-mount spindle attachment is present. The S-mount designation refers to the blade's center hole and mounting geometry, which must match the spindle hub on the mower for safe and proper installation. It is a common replacement part in Troy-Bilt residential mower maintenance programs.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e21-inch blade length fits standard Troy-Bilt walk-behind mower decks\u003c\/li\u003e\n  \u003cli\u003eS-mount center configuration for direct spindle compatibility\u003c\/li\u003e\n  \u003cli\u003eOEM-style replacement for accurate fitment and cutting performance\u003c\/li\u003e\n  \u003cli\u003eDesigned for residential walk-behind lawn mower applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style replacement blade for Troy-Bilt walk-behind lawn mowers equipped with a 21-inch cutting deck and S-mount spindle. Verify spindle mount geometry before installation.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eBlade replacement should be performed by a qualified small-engine or outdoor power equipment technician. Always disconnect the spark plug wire before servicing the blade to prevent accidental engine startup. Use proper blade-holding tools to secure the spindle during removal and installation, and wear cut-resistant gloves when handling the blade. Follow the mower manufacturer's service documentation for torque and safety procedures.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBlade Length\u003c\/strong\u003e: 21 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMount Type\u003c\/strong\u003e: S Mount\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: TROY-BILT\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 742p05643\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TROY-BILT","offers":[{"title":"Default Title","offer_id":51203788603698,"sku":"742P05643","price":42.79,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/307151146.jpg?v=1779705352","url":"https:\/\/voomisupply.com\/products\/troy-bilt-742p05643-lawn-mower-blade-21-inches","provider":"Voomi Supply","version":"1.0","type":"link"}