--- product_id: 227194349 title: "Grasshopper Mower CoolFan CW Cooling Fan, Genuine OEM Part 320857 | For Grasshopper FrontMount Gemini and Chain-Drive Transmissions, Provides Cooler and Cleaner Environment For Transmission" brand: "grasshopper" price: "€ 33.78" currency: EUR in_stock: true reviews_count: 8 category: "Grasshopper" url: https://www.desertcart.hr/products/227194349-grasshopper-mower-coolfan-cw-cooling-fan-genuine-oem-part-320857 store_origin: HR region: Croatia --- # Direct OEM fit, easy install 1800 RPM max speed Air cooling for transmission Grasshopper Mower CoolFan CW Cooling Fan, Genuine OEM Part 320857 | For Grasshopper FrontMount Gemini and Chain-Drive Transmissions, Provides Cooler and Cleaner Environment For Transmission **Brand:** grasshopper **Price:** € 33.78 **Availability:** ✅ In Stock ## Summary > ❄️ Keep your mower cool, your turf pristine, and your productivity unstoppable! ## Quick Answers - **What is this?** Grasshopper Mower CoolFan CW Cooling Fan, Genuine OEM Part 320857 | For Grasshopper FrontMount Gemini and Chain-Drive Transmissions, Provides Cooler and Cleaner Environment For Transmission by grasshopper - **How much does it cost?** € 33.78 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/227194349-grasshopper-mower-coolfan-cw-cooling-fan-genuine-oem-part-320857) ## Best For - grasshopper enthusiasts ## Why This Product - Trusted grasshopper brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Maintenance Made Simple:** Service-friendly design reduces downtime with easy access and fewer grease points—more mowing, less fuss. - • **Whisper-Quiet Operation:** Operates at a low 50 decibels, so your mower stays cool without adding noise pollution to your workday. - • **Precision-Crafted Cooling:** Clockwise rotation at 1800 RPM ensures optimal airflow to keep your transmission running cooler and longer. - • **Durable Metal Construction:** Built with high-quality metal for long-lasting performance under punishing mowing conditions. - • **Seamless OEM Compatibility:** Designed specifically for Grasshopper FrontMount & MidMount transmissions, guaranteeing a perfect fit and hassle-free replacement. ## Overview The Grasshopper Mower CoolFan CW (Part #320857) is a high-performance, OEM-quality cooling fan engineered for Grasshopper FrontMount and MidMount transmissions. Operating at up to 1800 RPM with quiet 50 dB airflow, this durable metal fan prevents overheating, extends transmission life, and fits a wide range of models from 1985 onward. Designed for easy installation and minimal maintenance, it’s the essential upgrade for professionals who demand reliability and efficiency in every cut. ## Description Grasshopper Mower We are proud to be a family-owned manufacturer, in business for over 60 years, specializing in True ZeroTurn riding rotary mowers. Every Grasshopper product is engineered for performance, using only the highest quality components and heavy-duty construction, to ensure long life. What makes our products unique? For over 50 years, Grasshopper has studied the needs of government entities, turf care professionals and equipment owners across the nation and around the world. What problem are we solving? Harsh elements and punishing conditions can take their toll on any mower. That's why we build our zero-turn mowers for strength and durability, while minimizing weight for superior agility and a light footprint. How does Grasshopper make mowing easier? You’ll mow longer without stopping and cut around even the most intricate landscaping at faster speeds with better results. What makes our products unique? For over 50 years, Grasshopper has studied the needs of government entities, turf care professionals and equipment owners across the nation and around the world. What problem are we solving? Harsh elements and punishing conditions can take their toll on any mower. That's why we build our zero-turn mowers for strength and durability, while minimizing weight for superior agility and a light footprint. How does Grasshopper make mowing easier? You’ll mow longer without stopping and cut around even the most intricate landscaping at faster speeds with better results. Review: Fit as well as orignal - Keeps transmission on my mower from over heating Review: 329B wheel motor fan - Direct fit, factory part. Use impact to remove old one. ## Features - COMPATIBILITY INFO: Clockwise rotating CoolFan cooling fan for Grasshopper FrontMount and MidMount Transmissions. Grasshopper Part Number 320857. For FrontMount 700 & 900 Series models equipped with G1/G2/G3/H1/H2 transmissions built since 1998, and chain-drive models 1210, 1212, 1622, 1822, 1822K & 1822D built from 1985-1991. For MidMount 200, 300 & 400 Series models equipped with G1/G2/H1/H2 transmissions built since 2000. - QUALITY FIRST, MONEY SECOND: We focus on providing our clients higher value for the dollars they invest with us. The service-friendly Grasshopper design makes it easy to keep your Grasshopper zero-turn mower in peak operating condition. Fewer grease points and easy access to belts and filters translate into less time spent maintaining your mower, and more time using it profitably. - MANUFACTURING EFFICIENCIES: At Grasshopper, we believe that being aware of environmental issues benefits not only our planet, but our customers and our business. The Grasshopper Company endeavors not only to recycle lawn materials but also raw materials in the production process. Our Computer Aided Drafting/Computer Aided Machining system fully integrated with a 3-D solid modeling computer design system optimizes the use of material and production time. - LAWN SERVICE SATISFACTION GUARANTEED: Don't cut corners on quality. No matter what Grasshopper mower you own, with a wide range of Grasshopper lawnmower parts available, you'll easily find necessary parts to fix up your machine. You can fully rely on original Grasshopper parts that we provide to repair and extend the operating life of your machine. - SERVICE, SUPPORT, AND SAFETY: Grasshopper mowers are designed for minimal maintenance and low cost of ownership. Yet, even the best-built equipment will eventually need replacement parts and/or service. Perform all maintenance as recommended in operator's manual and protect your mower from harsh elements by storing in a shelter or under a cover. Keep engine, mower deck and all other parts of the mower free from dirt and debris. The mower should be cleaned after each mowing using compressed air. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00V739FV4 | | Best Sellers Rank | #352,764 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #7,715 in Lawn Mower Belts | | Brand | Grasshopper | | Brand Name | Grasshopper | | Compatible Devices | Transmission Coolers | | Cooling Method | Air | | Customer Reviews | 4.7 out of 5 stars 118 Reviews | | Item Type Name | automotive-engine-cooling-fans | | Item Weight | 1.6 ounces | | Manufacturer | Grasshopper | | Material | Metal | | Material Type | Metal | | Maximum Rotational Speed | 1800 RPM | | Noise Level | 50 Decibels | | Number of Items | 1 | | Part Number | 320857 | | Power Connector Type | 3-Pin | | UPC | 810053500866 | | Unit Count | 1.0 Count | ## Product Details - **Brand:** Grasshopper - **Compatible Devices:** Transmission Coolers - **Cooling Method:** Air - **Manufacturer:** Grasshopper - **Material:** Metal - **Maximum Rotational Speed:** 1800 RPM - **Noise Level:** 50 Decibels - **Number of Items:** 1 - **Power Connector Type:** 3-Pin - **UPC:** 810053500866 ## Images ![Grasshopper Mower CoolFan CW Cooling Fan, Genuine OEM Part 320857 | For Grasshopper FrontMount Gemini and Chain-Drive Transmissions, Provides Cooler and Cleaner Environment For Transmission - Image 1](https://m.media-amazon.com/images/I/61SjiShVV5L.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Fit as well as orignal *by R***Y on August 21, 2024* Keeps transmission on my mower from over heating ### ⭐⭐⭐⭐⭐ 329B wheel motor fan *by R***X on May 2, 2024* Direct fit, factory part. Use impact to remove old one. ### ⭐⭐⭐⭐⭐ Accurate description *by L***T on July 15, 2025* Just as described! What I needed to get the mower back in service. ## Frequently Bought Together - Grasshopper Mower CoolFan CW Cooling Fan, for Grasshopper FrontMount and MidMount Transmissions, Provides Cooler and Cleaner Environment for Transmission, OEM 320857 - Grasshopper Mower CoolFan CCW Cooling Fan, for Grasshopper FrontMount Gemini and Chain-Drive Transmissions, Provides Cooler and Cleaner Environment for Transmission, OEM 320856 - Grasshopper Mower 32-Oz (1 US Qt) CoolTemp Hydro-Max Fluid, Advanced Protective Shield Eliminates Break-in Fluid Changes and Significantly Extends Fluid and Filter Service Intervals, OEM 345044 --- ## 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.hr/products/227194349-grasshopper-mower-coolfan-cw-cooling-fan-genuine-oem-part-320857](https://www.desertcart.hr/products/227194349-grasshopper-mower-coolfan-cw-cooling-fan-genuine-oem-part-320857) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-07-30*