{"product_id":"grasscool-gy20850-d105-mulching-blades-with-7-star-mounting-pattern-for-john-deere-42-inch-deck","title":"Grasscool GY20850 D105 Mulching Blades with 7-Star Mounting Pattern for John Deere 42 inch Deck","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eMeet Grasscool GY20850 D105 mulching blades, designed for John Deere 42 inch deck lawn tractors. The standout feature is a precise 7-star mounting pattern that helps ensure a secure fit and steady performance during mowing and mulching tasks. These blades are built to handle typical residential yards with consistent results, while offering practical installation notes that can save time in the shop.\u003c\/p\u003e\n\n\u003ch3\u003eWhat makes these blades stand out\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e7-star mounting pattern\u003c\/strong\u003e provides secure alignment with compatible gear mounts, reducing wobble and easing installation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eToothed mulching blade\u003c\/strong\u003e design helps break up clippings and promote even discharge across the deck.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable construction\u003c\/strong\u003e with a blade length of 21-3\/8 inches, width of 2-1\/2 inches, and thickness of 13\/64 inches for lasting edge life.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAir lift and center hole\u003c\/strong\u003e specs ensure balanced airflow and reliable mounting fidelity on compatible decks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey specs at a glance\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eBlade length: 21-3\/8 inches (543 mm)\u003c\/li\u003e\n  \u003cli\u003eWidth: 2-1\/2 inches (63.5 mm)\u003c\/li\u003e\n  \u003cli\u003eThickness: 13\/64 inches (5 mm)\u003c\/li\u003e\n  \u003cli\u003eAir lift: 1 inch (25 mm)\u003c\/li\u003e\n  \u003cli\u003eCenter hole: 7 point star\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatibility and fit\u003c\/h3\u003e\n\u003cp\u003eThese blades are designed for 42 inch deck lawn tractors and are listed as compatible with John Deere models spanning the D100 to D130 family and the LA100 to LA135 line, including specific 102, 105, 115, 125, and 135 series. A broad compatibility footprint helps simplify selection for many 42 inch deck machines.\u003c\/p\u003e\n\n\u003ch3\u003ePractical usage notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eThe blades are described as \u003cem\u003etoothed mulching\u003c\/em\u003e, geared toward effective clipping management and even material processing.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePaint on the blade\u003c\/strong\u003e is likely protective during handling; you do not need to remove it before install. It typically wears away after a few minutes of mowing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy consider Grasscool blades\u003c\/h2\u003e\n\u003cp\u003eBeyond a straightforward replacement, these blades invite you to explore how your mower handles common yard tasks. The combination of star-pattern mounting, durable body, and mulching geometry opens up possibilities for steadier operation, smoother clip flow, and potentially less maintenance in routine mowing sessions. As with any blade upgrade, results can vary with mower condition, grass type, and mowing habits.\u003c\/p\u003e\n\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What John Deere models work with Grasscool GY20850 blades?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Compatible with John Deere 42 inch deck riding mowers, including D100 through D130 and LA100 to LA135 models.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What should I know about the mounting pattern?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The 7-star mounting pattern ensures secure attachment and proper alignment during mowing.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Grasscool","offers":[{"title":"Default Title","offer_id":45779271549114,"sku":"B0DF6ZNV2V","price":87.32,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/3536\/8890\/files\/grasscool-gy20850-7-star-mounting-pattern.jpg?v=1776153119","url":"https:\/\/gardencanada.ca\/products\/grasscool-gy20850-d105-mulching-blades-with-7-star-mounting-pattern-for-john-deere-42-inch-deck","provider":"Garden Canada","version":"1.0","type":"link"}