{"product_id":"powersmart-21-in-replacement-mower-blade-21-oem-fit-3-in-1-steel-blade-for-mulch-bag-side-discharge","title":"PowerSmart 21 in. Replacement Mower Blade — 21\" OEM-fit 3-in-1 Steel Blade for Mulch\/Bag\/Side Discharge","description":"\u003cp\u003e\u003cstrong\u003eThe PowerSmart 21 in. Replacement Mower Blade (303071739) is a genuine steel 3-in-1 blade designed to restore cutting performance for 21\" gas lawn mowers, delivering finer clippings for better mulch, bagging, or side discharge.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your mower is leaving uneven cuts, producing large clumps, or filling the bag too quickly, a worn blade is often the cause. This OEM-quality replacement fits PowerSmart DB8721P, DV8621C2, DV8621P2, and DV8621S2 models and is built to match the original blade’s shape and specs so your mower can operate as intended. Installing a fresh blade improves cut quality, reduces clumping, and helps the mower bag hold more, making routine lawn care faster and more efficient.\u003c\/p\u003e\n\n\u003ch3\u003eHow will this replacement blade improve my lawn’s appearance?\u003c\/h3\u003e\n\u003cp\u003eFiner, cleaner cuts reduce grass tearing and minimize clumps that can smother turf. That leads to a neater striped look and healthier regrowth. The blade’s edge geometry and proper balance are tuned to produce smaller clippings ideal for mulching or efficient bagging.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eProduces finer clippings to reduce clumping on the lawn\u003c\/li\u003e\n  \u003cli\u003eCleaner cuts promote uniform appearance and quicker recovery\u003c\/li\u003e\n  \u003cli\u003eBalanced steel construction minimizes vibration for even cutting\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this blade compatible with my PowerSmart 21\" mower?\u003c\/h3\u003e\n\u003cp\u003eYes—the part number 303071739 is made to replace the factory blade for specific PowerSmart 21\" gas models. It matches the original blade length, width and thickness so it installs and performs like the OEM part. Always confirm your mower model before ordering for a precise fit.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits PowerSmart DB8721P, DV8621C2, DV8621P2, DV8621S2\u003c\/li\u003e\n  \u003cli\u003eBlade length 508mm (20\"), width 57mm (2.2\"), thickness 3.5mm (1\/8\")\u003c\/li\u003e\n  \u003cli\u003eDesigned for 21\" deck compatibility\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan one blade do mulching, bagging, and side discharge well?\u003c\/h3\u003e\n\u003cp\u003eThis is a true 3-in-1 blade engineered to handle all three discharge modes without swapping blades. Its cutting profile and airflow characteristics let it chop clippings finely for mulching while still providing the lift and flow needed for effective bagging and side discharge. That versatility saves time and reduces the number of spare blades you need to carry.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMulching: creates smaller clippings to feed back into the lawn\u003c\/li\u003e\n  \u003cli\u003eBagging: produces compact clippings so bags hold more\u003c\/li\u003e\n  \u003cli\u003eSide discharge: maintains efficient grass ejection and flow\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow durable and safe is this replacement blade?\u003c\/h3\u003e\n\u003cp\u003eConstructed from hardened steel, the blade is built for long wear and sustained cutting performance. Proper installation and regular inspection for nicks or imbalance will keep cutting efficient and minimize vibration. Replace the blade if it becomes bent or severely nicked to preserve mower safety and performance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHardened steel construction for extended life\u003c\/li\u003e\n  \u003cli\u003eMatch to OEM shape helps keep blade balance correct\u003c\/li\u003e\n  \u003cli\u003eRecommended regular sharpening and inspection for safety\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: This PowerSmart 21 in. replacement blade is intended for owners of compatible PowerSmart 21\" gas mowers who want a reliable OEM-quality replacement that restores cut quality and offers all three discharge modes. It’s a practical choice for homeowners, small-property caretakers, and anyone who wants cleaner clippings, less bag emptying, and improved mowing efficiency without swapping blades between jobs.\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: Will this blade fit my PowerSmart 21\" mower?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—part 303071739 fits PowerSmart DB8721P, DV8621C2, DV8621P2, and DV8621S2 21\" gas mowers. Confirm your model before purchasing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use this blade for mulching and bagging?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It's a 3-in-1 blade designed for mulching, bagging, and side discharge without swapping blades.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"PowerSmart","offers":[{"title":"Default Title","offer_id":56830041096532,"sku":"B0C818FG5M","price":64.48,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/powersmart-21in-front-packaging.jpg?v=1787000453","url":"https:\/\/gardenluxe.co.uk\/products\/powersmart-21-in-replacement-mower-blade-21-oem-fit-3-in-1-steel-blade-for-mulch-bag-side-discharge","provider":"Gardenluxe Uk","version":"1.0","type":"link"}