{"product_id":"mower-blades-uc22008","title":"Mower Blades M170639 \/ GY20683 \/ UC22008 for John Deere 42-Inch Deck","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eThis aftermarket 2-Pack, 4-Pack, 6-Pack standard mower blade listing replaces common blade numbers including \u003cstrong\u003eM170639 \/ GY20683 \/ UC22008\u003c\/strong\u003e used on select John Deere mower deck applications.\u003c\/p\u003e\u003cp\u003eAvailable package options are 2-Pack, 4-Pack, 6-Pack. Select the quantity that matches your deck blade count or the number of full blade changes you want on hand. Always match your original blade number, blade length, center-hole style, deck size, blade count, and mower model before ordering.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAftermarket mower blade set\u003c\/strong\u003e for select mower deck applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage options:\u003c\/strong\u003e 2-Pack, 4-Pack, 6-Pack\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplacement path:\u003c\/strong\u003e M170639 \/ GY20683 \/ UC22008\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlade style:\u003c\/strong\u003e Standard\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003eCompatible Brands \u0026amp; Model Series\u003c\/h2\u003e\u003cp\u003eThis blade set is used on select John Deere mower deck applications with 42 inch decks.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSource fitment examples:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eJohn Deere:\u003c\/strong\u003e S220 200 Series Tractor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJohn Deere:\u003c\/strong\u003e S240 Sport Lawn Tractor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJohn Deere:\u003c\/strong\u003e X330, X350, X354, X370 Lawn and Garden Tractor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJohn Deere:\u003c\/strong\u003e Z315E, Z320M, Z320R, Z335E, Z335M, Z345R ZTrak Mower\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment note:\u003c\/strong\u003e Match your original blade number and confirm that your deck uses the selected package quantity with the correct mounting pattern.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eReplaces OEM Part Numbers\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eM170639\u003c\/li\u003e\n\u003cli\u003eGY20683\u003c\/li\u003e\n\u003cli\u003eUC22008\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003eBlade Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlade length:\u003c\/strong\u003e 21-3\/8 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlade width:\u003c\/strong\u003e 2.99 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlade thickness:\u003c\/strong\u003e 0.16 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCenter hole:\u003c\/strong\u003e 0.79 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommon deck size:\u003c\/strong\u003e 42 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlade type:\u003c\/strong\u003e Standard\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003eQuick Ship Fulfillment\u003c\/h2\u003e\u003cp\u003eThis item may ship directly from one of our trusted U.S. distribution partners to help reduce transit time. Packaging, labeling, or warehouse origin may vary, but the part will match the replacement numbers, fitment notes, and specifications shown in this listing.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eWhy Buy From PTO Direct USA\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFocused replacement parts for mower deck and PTO repair\u003c\/li\u003e\n\u003cli\u003ePart-number-first listings to help reduce fitment mistakes\u003c\/li\u003e\n\u003cli\u003eClear replacement numbers and fitment notes before you order\u003c\/li\u003e\n\u003cli\u003eFast, practical support if you need help checking compatibility\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003eNeed Help Confirming Fitment?\u003c\/h2\u003e\u003cp\u003eIf you are not sure whether this blade set fits your mower, send us your mower model number, deck size, and the part numbers from your original blades. We can help you compare them before you order.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eFAQ\u003c\/h2\u003e\u003ch3\u003eWill this fit all 42 inch decks?\u003c\/h3\u003e\u003cp\u003eNo. This blade set fits select applications only. Match your original blade number, blade length, center-hole style, deck layout, and mower model before ordering.\u003c\/p\u003e\u003ch3\u003eWhich package quantity should I choose?\u003c\/h3\u003e\u003cp\u003eFor 2-blade decks, select the 2-Pack for one complete blade change; 4-Pack and 8-Pack options cover multiple services. For 3-blade decks, select the 3-Pack for one complete blade change or the 6-Pack for two complete blade changes.\u003c\/p\u003e\u003ch3\u003eWhat should I check before installing?\u003c\/h3\u003e\u003cp\u003eCompare blade length, center-hole pattern, lift style, deck layout, and original blade number against your mower or OEM diagram. Stop installation if the blades do not match your original setup.\u003c\/p\u003e","brand":"PTO Direct USA","offers":[{"title":"2-Pack","offer_id":53181564584303,"sku":"CAL-286072050176-2PK","price":54.95,"currency_code":"USD","in_stock":true},{"title":"4-Pack","offer_id":53181564617071,"sku":"CAL-297398617749-4PK","price":86.95,"currency_code":"USD","in_stock":true},{"title":"6-Pack","offer_id":53181564649839,"sku":"CAL-296706193226-6PK","price":120.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0957\/5058\/6735\/files\/s-l1600_0094d566-2b3c-47b2-9f90-0033e989dd1d.jpg?v=1783219428","url":"https:\/\/ptodirectusa.com\/products\/mower-blades-uc22008","provider":"PTO Direct USA","version":"1.0","type":"link"}