













🌿 Keep your mower cool, clean, and cutting-edge with Grasshopper’s CoolFan!
The Grasshopper Mower CoolFan CW Cooling Fan (OEM 320857) is a precision-engineered, metal cooling fan designed for Grasshopper FrontMount and MidMount transmissions. Operating at up to 1800 RPM with a quiet 50 dB noise level, it ensures optimal air cooling to prevent overheating and extend transmission life. Compatible with models dating back to 1985, this OEM part offers easy installation and maintenance, making it an essential upgrade for professional-grade mower performance.














| ASIN | B00V739FV4 |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #333,377 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #3,056 in Lawn Mower Belts |
| Brand | Grasshopper |
| Compatible Devices | Transmission Coolers |
| Cooling Method | Air |
| Customer Reviews | 4.7 4.7 out of 5 stars (115) |
| Date First Available | March 24, 2015 |
| Is Discontinued By Manufacturer | No |
| Item Package Quantity | 1 |
| Item Weight | 1.6 ounces |
| Manufacturer | Grasshopper |
| Material | Metal |
| Maximum Rotational Speed | 1800 RPM |
| Noise Level | 50 Decibels |
| Number of Items | 1 |
| Part Number | 320857 |
| Power Connector Type | 3-Pin |
| Power Source | Manual |
| Product Dimensions | 7 x 7 x 1.25 inches |
| UPC | 810053500866 |
R**Y
Fit as well as orignal
Keeps transmission on my mower from over heating
L**T
Accurate description
Just as described! What I needed to get the mower back in service.
B**B
Easy install
Delivered quick and in great condition. Easy to install and work great with my mower
R**X
329B wheel motor fan
Direct fit, factory part. Use impact to remove old one.
J**N
Grasshopper hydro fan
This replacement fan for the left (cw) hydro was a perfect match, fit, and size.
J**L
Long delivery time
Worked perfect for my Grasshopper 327KW. Fortunately I did not need super fast.
R**.
OEM part
Fit perfectly.
J**D
Great replacement part
Fit just like original
Trustpilot
2 weeks ago
1 month ago