Easy Installation: No complicated tools or skills are required, the old transmission gear assembly can be directly replaced, saving time and money, and allowing you to easily solve vehicle transmission problems Made of High-quality Materials: The gears are made of high-quality metal, which has excellent resistance, oxidation resistance and rust resistance, ensuring a long service life and keeping your vehicle running efficiently Improve Comfort: The variable speed fan gear drive kit adjusts the fan speed according to factors such as engine temperature and vehicle speed by changing the fan transmission ratio to achieve the best cooling effect.Improves vehicle efficiency and comfort by providing higher cooling capacity when needed and reducing fan power consumption and noise when temperatures are lower or vehicle speeds are higher Condition: Fitment Type:Direct Replacement Name:Gearshift Fan Gear Driven Kit Part Number:5KM-18146-00-00 5KM-18191-00-00 5KM-18197-00-00 Fitment: Compatible with for ATV Grizzly 660 2002-2008 Compatible with for UTV 660 2004-2007 Color:As Shown Material:Metal Package Contents: 1 set * Gearshift Fan Gear Driven Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.