{"product_id":"earthtec-42-mower-blades-m170642-for-x330-x350-x354-z335m-z345m-z345r-2-pack","title":"Earthtec 42\" Mower Blades (M170642) for X330\/X350\/X354 \u0026 Z335M\/Z345M\/Z345R – 2 Pack","description":"\u003ch2\u003eEarthtec 42-inch mower blades — engineered for a reliable, clean cut\u003c\/h2\u003e\n\u003cp\u003eDesigned for rigorous yard work, the Earthtec 42\" mower blades pair a specialty steel blend with a disciplined heat-treating process to deliver enduring performance. The alloy includes boron, carbon, manganese, and other elements chosen to maximize rigidity and edge stability. The blades are heat treated using the patented Marbain process and have undergone independent testing to verify consistency and strength across demanding mowing tasks.\u003c\/p\u003e\n\u003cp\u003eCompared with standard blades, these 42\" blades are 25% to 40% harder, which translates to enhanced wear resistance and durable edge retention. While no product can guarantee perfect results in every situation, many users notice less frequent blade changes and a steadier, more even cut over time. The design aims to minimize impact damage in typical lawn conditions while maintaining a sharp cutting edge for a cleaner finish.\u003c\/p\u003e\n\u003ch3\u003eKey benefits at a glance\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e25%–40% harder than standard blades due to a specialized alloy and Marbain heat treatment.\u003c\/li\u003e\n  \u003cli\u003eHigh edge stability designed to resist chipping and bending during routine mowing tasks.\u003c\/li\u003e\n  \u003cli\u003eIndependent testing supports the consistency of the heat-treated performance.\u003c\/li\u003e\n  \u003cli\u003e2-piece pack for replacement efficiency and coverage of multiple mowing cycles.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility and fit\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePart Number: M170642.\u003c\/li\u003e\n  \u003cli\u003eFits 42\" mowers including X330, X350, X354, X370, X380, and Z-series Trak mowers (Z335E, Z335M, Z345M, Z345R).\u003c\/li\u003e\n  \u003cli\u003eCenter Hole: 51\/64\"; Width: 3\"; Thickness: .156\"; Length: 21.4\".\u003c\/li\u003e\n  \u003cli\u003e2 blades per pack to meet replacement needs. Please verify your model number and brand before purchasing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReal-world use scenarios\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eIdeal for yards with mixed terrain, where a robust edge can maintain cut quality across uneven patches.\u003c\/li\u003e\n  \u003cli\u003eEffective in lawns with light debris, helping to resist minor impact and extending blade life between swaps.\u003c\/li\u003e\n  \u003cli\u003eSupportive for routine maintenance tasks that require consistent, dependable performance from the mower deck.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIf you’re upgrading existing blades or stocking up for the season, these Earthtec blades offer a thoughtful balance of strength, durability, and compatibility. Always confirm the exact model and deck size to ensure a proper fit and optimal mowing results.\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: Are these blades compatible with my mower model?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—these blades fit 42\" mowers like X330, X350, X354, Z335M, Z345M, and Z345R when using part number M170642.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What benefits come from the Marbain heat-treated steel?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The process yields harder blades (about 25–40% vs. standard blades) for longer wear and improved edge stability during mowing tasks.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Earthtec","offers":[{"title":"Default Title","offer_id":45788237922490,"sku":"B095KXLCSF","price":106.73,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/3536\/8890\/files\/earthtec-42in-mower-blades-blade-on-deck.jpg?v=1776500854","url":"https:\/\/gardencanada.ca\/products\/earthtec-42-mower-blades-m170642-for-x330-x350-x354-z335m-z345m-z345r-2-pack","provider":"Garden Canada","version":"1.0","type":"link"}