Upgrade your Yoder Smokers YS640 or YS480 or YS1500 with this dual ball bearing fan kit from Yoder Smokers. Specifically designed for Yoder Smokers pellet grills, this kit provides even faster start-up and less startup noise, providing superior airflow and consistent performance in all temperatures, from -32F to over 100F. Constructed with high quality bearings and lubricated for optimal performance, this upgrade kit ensures an improved customer experience and service life for years. Compatible with YS480/YS640/YS1500 Pellet Grills. Kit Includes: New Ball Bearing Inner Fan New Ball Bearing Outer Fan 1 oz Tube of Clear Silicone Sealant YS Fan Isolator Gasket All Mounting Hardware Replacement Instructions