{"product_id":"91-443-mower-blade-20-7-8","title":"91-443 Mower Blade for John Deere","description":"\u003cp\u003e\u003cstrong\u003e91-443 Mower Blade for John Deere\u003c\/strong\u003e is a replacement mower blade with a profile intended to restore consistent cutting performance. Match the complete part number, mounting pattern, dimensions, and equipment configuration before ordering.\u003c\/p\u003e\u003ch2\u003ePurpose and Value\u003c\/h2\u003e\u003cp\u003eA worn, bent, or incorrect blade can leave uncut strips, tear grass, increase vibration, and reduce discharge quality. Correct geometry helps restore an even cut and limits avoidable spindle and deck vibration.\u003c\/p\u003e\u003ch2\u003eVerified Supplier Specifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBlade length\u003c\/th\u003e\n\u003ctd\u003e20-7\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBlade width\u003c\/th\u003e\n\u003ctd\u003e2.75\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThickness\u003c\/th\u003e\n\u003ctd\u003e0.134\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCenter hole\u003c\/th\u003e\n\u003ctd\u003e7\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOuter hole\u003c\/th\u003e\n\u003ctd\u003e3\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCenter-to-center\u003c\/th\u003e\n\u003ctd\u003e3-11\/16\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOffset\u003c\/th\u003e\n\u003ctd\u003e3\/8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAir lift\u003c\/th\u003e\n\u003ctd\u003e1\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eSupplier-Verified Application Details\u003c\/h2\u003e\u003cp\u003eCenter hole: 7\/8\" Requires 1 blade for 21\" cut Use with John Deere: Try-cycler walk-behind mower, 145Z Superior mulching for bagging and discharge efficiency Enhanced hardening to keep the blade sharper and more durable Made to exact OEM specifications Replaces major brand: John Deere\u003c\/p\u003e\u003ch2\u003eSupplier Replacement Reference\u003c\/h2\u003e\u003cp\u003eReplaces major brand: John Deere SPECIFICATIONS, DETAILS \u0026amp; SUPPORT Blades Blade Width 2.75\" Thickness 0.134\" Blade Length 20-7\/8\" Outer Hole Diameter 3\/8\" Center Hole Size 7\/8\" Center-to-Center 3-11\/16\" OffSet 3\/8\" Air Lift 1\" General Color Black Volume 62.36 in³ Product UOM Each Weight (with Packaging) 1.87 Lb Product Height 0.134 Product Length 20-7\/8\" Product Width 2.75 MODEL FIT GUIDE AND PARTS CROSS REFERENCE Fit Guide JOHN DEERE Replacement Guide J THOMAS JOHN DEERE ROTARY STENS SUNBELT\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDeck quantity guidance:\u003c\/strong\u003e Requires 1 blade for 21\" cut Use with John Deere: Try-cycler walk-behind mower, 145Z Superior mulching for bagging and discharge efficiency Enhanced hardening to keep the blade sharper and . Confirm the exact deck configuration before ordering.\u003c\/p\u003e\u003ch2\u003eWhat One Purchase Includes\u003c\/h2\u003e\u003cp\u003eOne blade. Multi-blade decks require the quantity stated for the exact deck.\u003c\/p\u003e\u003ch2\u003eFitment Safeguard\u003c\/h2\u003e\u003cp\u003eVerify the complete OEM or replacement number, mower or engine model, serial range, deck size, mounting pattern, orientation, and required quantity. Similar-looking parts can differ in offset, rotation, hole pattern, thread, connector, or other critical details.\u003c\/p\u003e\u003ch2\u003eInstallation and Service\u003c\/h2\u003e\u003cp\u003eNo product-specific installation manual was verified in the supplier record. Follow the equipment manufacturer's procedure. For blades, stop the engine, remove the key, disconnect the spark-plug lead, secure the blade, wear cut-resistant gloves, install in the correct orientation, and torque hardware to the equipment manufacturer's specification.\u003c\/p\u003e","brand":"MowerBlades.com","offers":[{"title":"Default Title","offer_id":49210595770522,"sku":"sku-42325292974333","price":15.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/6048\/1946\/files\/oregon-91-443-official.jpg?v=1789879477","url":"https:\/\/mowforgesupply.com\/products\/91-443-mower-blade-20-7-8","provider":"MowForge Supply","version":"1.0","type":"link"}