--- product_id: 499469709 title: "Grasscool GY20852 Mulching Blades with 7 Star Mounting Pattern for John D-eere 48 inch Deck Mower E140 D140 D160 E160 E170 E150 LA145 LA140 48\" Zero Turn Lawn Tractor Replace GX21784" brand: "grasscool" price: "€ 92.90" currency: EUR in_stock: true reviews_count: 8 url: https://www.desertcart.it/products/499469709-grasscool-gy20852-mulching-blades-with-7-star-mounting-pattern-john store_origin: IT region: Italy --- # 2-3/4" Width 17-1/8" Length 7-Point Star Center Grasscool GY20852 Mulching Blades with 7 Star Mounting Pattern for John D-eere 48 inch Deck Mower E140 D140 D160 E160 E170 E150 LA145 LA140 48" Zero Turn Lawn Tractor Replace GX21784 **Brand:** grasscool **Price:** € 92.90 **Availability:** ✅ In Stock ## Summary > 🌟 Elevate Your Lawn Game with Precision Blades! ## Quick Answers - **What is this?** Grasscool GY20852 Mulching Blades with 7 Star Mounting Pattern for John D-eere 48 inch Deck Mower E140 D140 D160 E160 E170 E150 LA145 LA140 48" Zero Turn Lawn Tractor Replace GX21784 by grasscool - **How much does it cost?** € 92.90 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.it](https://www.desertcart.it/products/499469709-grasscool-gy20852-mulching-blades-with-7-star-mounting-pattern-john) ## Best For - grasscool enthusiasts ## Why This Product - Trusted grasscool brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **🔒 Rust Protection:** Painted edges safeguard against rust and ensure safety. - • **🔍 Rigorous Testing:** Proven performance through extensive quality tests. - • **🌱 3-in-1 Versatility:** Mulch, bag, and discharge with ease! - • **🌬️ Superior Airflow:** Minimized clogging for uninterrupted mowing. - • **💪 Enhanced Efficiency:** 50% more bagging capacity for a pristine lawn. ## Overview The Grasscool GX21784 Mower Mulching Blade is a high-performance replacement for John Deere 48-inch mowers, designed for optimal mulching, bagging, and side discharging. With a robust 7-point star spindle compatibility and a series of rigorous tests ensuring quality, this blade enhances mowing efficiency while promoting healthy lawn growth. ## Description GY20852 GX21784 Mower Mulching Blades for John Deere 48 inch D140 E140 D160 E160 E170 E150 LA145 LA140 LA155 155C 48" Deck Lawn Mower Replace AM137757 AM141035 (3Pack) ## Features - Fits For John Deere 48 Inch Mower Blades, Replaces Number: John Deere GX21784 GY20852 AM137757 AM141035. - Fits For John Deere Mower Blades 48 Inch Deck, Compatible with John Deere 145 155C D140 D150 D155 D160 E140 E150 E160 E170 L120 LA130 LA140 LA145 LA155 LA165 S140 S160 S170 X140 X165 X166 X167 Z245 Z255 Z355E Lawn Tractor. - AVOID MISTAKES: The blade is NOT suitable for M145476 Circle(13/16") center JohnDeere models Z355 Z355E, and others; it is also NOT suitable for GY20568 Circle(5/8") center JohnDeere models L130 and others. This GX21784 blade is ONLY compatible with a 7-Point Star spindle. Please check that your center hole pattern matches before purchasing to avoid installation issues. - BLADE SPECIFICATION: Length: 17-1/8"(435mm), Width: 2-3/4"(70mm), Thickness: 5/32"(4mm), Center Hole Shape: 7 Point Star, For Deck Size: 48", Lift: 1-3/16"(30mm), Mower Blade Type: Mulching Blade. - 3-IN-1 BLADE: Serves 3 purposes (mulching, bagging, and side discharging) at the same time. Featuring numerous curves that cuts and re-cuts grass to smaller pieces, and recycles them back into the soil as nutrients to promote healthy lawn growth. Additionally, its high-lift increases the bagging capacity by 50%. - LOWER CLOGGING RISK: Strong airflow and finely shredded grass can reduce clogging around the blade and improve mowing efficiency. - NOTICE: The cutting edges are painted to prevent rust and protect your hands during installation. The paint will wear off as you mow the grass. - ENSURE SUPERIOR PERFORMANCE: we conduct a series of rigorous tests, including the Rockwell Hardness Test, V-bend Test, Blade Chip Test, Balance Test, Performance Test, and Field Test. ## Product Details - **Brand:** Grasscool - **Power Source:** manual - **Material:** Metal - **Color:** Black - **Style:** Push - **Item Weight:** 5.8 Pounds - **Cutting Width:** 48 Inches - **Number of Positions:** 7 - **Operation Mode:** Manual - **UPC:** 656721620951 ## Images ![Grasscool GY20852 Mulching Blades with 7 Star Mounting Pattern for John D-eere 48 inch Deck Mower E140 D140 D160 E160 E170 E150 LA145 LA140 48" Zero Turn Lawn Tractor Replace GX21784 - Image 1](https://m.media-amazon.com/images/I/61yJZ45CsVL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Mower blades *by B*** on July 17, 2025* Quality blades , fit perfect ,work well! ### ⭐⭐⭐⭐⭐ The part was available, competitively priced, and fit as advertised. I’m totally satisfied. *by C***2 on June 22, 2025* I needed a set of blades for my lawn tractor. This set of blades fit my machine as advertised and the price was competitive. My old blades were damaged and cracked. I installed these blades and our machine cuts like brand new again. ### ⭐⭐⭐⭐⭐ Well made of a heavy metal, and a good edge. *by D***A on May 24, 2025* I’ve used this product before and it is well made and fit like it should. Obviously I would purchase again. ## Frequently Bought Together - Grasscool GX21784 48 inch Mower Mulching Blade for John Deere D140 E140 D160 E160 E170 E150 LA145 LA140 LA155 155C 48" Deck Replace GY20852 AM137757 AM141035 (3Pack) - John Deere Original Equipment Maintenance Kit #LG275 - UDC Parts GX21833 Mower Deck Belt for John Deere D140 L130 L120 LA145 D160 E140 LA130 E170 D155 S170 E160 S140 Z255 with 48 inch Deck Replaces OEM GX20571 / Aramid Cord --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.it/products/499469709-grasscool-gy20852-mulching-blades-with-7-star-mounting-pattern-john](https://www.desertcart.it/products/499469709-grasscool-gy20852-mulching-blades-with-7-star-mounting-pattern-john) --- *Product available on Desertcart Italy* *Store origin: IT* *Last updated: 2026-04-23*