{"product_id":"jsxdnwyj-mulching-mower-blades-for-john-deere-42-deck-21-7-16-7-point-star-3-16-thick","title":"JSXDNWYJ Mulching Mower Blades for John Deere 42\" Deck — 21-7\/16\" 7-Point Star, 3\/16\" Thick","description":"\u003cb\u003eHigh-strength JSXDNWYJ mulching blades replace John Deere GX22151\/GY20850 to restore cutting performance on 42\" decks.\u003c\/b\u003e\n\n\u003cp\u003eIf your John Deere lawn tractor’s 42\" deck needs durable, mulching-capable blades, these aftermarket replacements from JSXDNWYJ are engineered to fit a wide range of D, LA, E, X and Z series models. Built to the same mounting pattern and overall dimensions as common OEM parts, the blades offer a balance of edge retention and shearing geometry for improved clippings dispersion and a cleaner finish when properly installed.\u003c\/p\u003e\n\n\u003ch3\u003eWill these blades fit my John Deere 42\" mower deck?\u003c\/h3\u003e\n\u003cp\u003eYes — the blades are manufactured to match the 7-point star center hole pattern and the length and thickness used on many 42\" John Deere decks. They replace a number of OEM part numbers so they bolt on without modification for compatible machines.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReplaces OEM\/Genuine part references such as GX22151, GY20850, AM137328, AM137333, and AM141033\u003c\/li\u003e\n  \u003cli\u003eDesigned for 42\" decks found on model lines: D100–D130 series and LA100–LA135 series\u003c\/li\u003e\n  \u003cli\u003eAlso fits models in the 100\/110\/120\/130\/140\/300\/300R\/200 series listed by John Deere\u003c\/li\u003e\n  \u003cli\u003eUses the 7-point star center hole for direct mount compatibility\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the blade dimensions and construction details?\u003c\/h3\u003e\n\u003cp\u003eThese blades are produced to the dimensions required for consistent deck balance and cutting performance. The thickness and overall shape support mulching while resisting deformation under normal lawn use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOverall blade length: 21 7\/16\" (measured tip-to-tip)\u003c\/li\u003e\n  \u003cli\u003eCutting edge width: 2 3\/4\" for stable cutting surface\u003c\/li\u003e\n  \u003cli\u003eMaterial thickness: 0.1875\" (3\/16\") for strength and wear resistance\u003c\/li\u003e\n  \u003cli\u003eCenter: 7-point star hole to match John Deere mounting hubs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do these blades affect mowing and mulching performance?\u003c\/h3\u003e\n\u003cp\u003eThe blades are shaped to lift grass for a clean cut and to re-cut clippings for effective mulching, helping return finer clippings to the lawn. Proper installation and a sharp edge optimize airflow and mulching action.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh-lift profile promotes even grass intake and chute flow\u003c\/li\u003e\n  \u003cli\u003eMulching geometry chops clippings into smaller pieces for quicker breakdown\u003c\/li\u003e\n  \u003cli\u003eBalanced weight and thickness reduce vibration and wear on spindles\u003c\/li\u003e\n  \u003cli\u003eCan be sharpened for extended life while retaining original shape\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: These blades are intended for homeowners, landscapers, and service shops that maintain John Deere 42\" mower decks and need reliable, OEM-compatible replacements. They suit anyone who wants a cost-effective aftermarket option that matches common John Deere part numbers and deck specifications. If you operate models in the D100\/D110\/D120 series, LA100\/LA115 lines, E100\/E120 families, X300\/X310 ranges or similar decks listed, these blades provide a direct-fit mulching solution. JSXDNWYJ also includes customer support for post-purchase questions and installation guidance.\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: Do these blades fit John Deere GX22151?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, these JSXDNWYJ blades are made to replace GX22151 and other equivalent OEM numbers for 42\" decks.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What is the blade thickness and length?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Blades measure 21 7\/16\" long with a 2 3\/4\" width and a 0.1875\" (3\/16\") thickness.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"JSXDNWYJ","offers":[{"title":"Default Title","offer_id":56831435243860,"sku":"B0CXSDVT73","price":75.43,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/jsxdnwyj-front-view-blade-packaging_a6081f6a-cfc9-49a9-b003-e61223247e73.jpg?v=1787016052","url":"https:\/\/gardenluxe.co.uk\/products\/jsxdnwyj-mulching-mower-blades-for-john-deere-42-deck-21-7-16-7-point-star-3-16-thick","provider":"Gardenluxe Uk","version":"1.0","type":"link"}