Order includes: 1x Gear Idler & Bearing, 1x Gasket. Compatible with Yamaha models: Big Bear 350 YFM350 1996-1999. Gear Idler & Bearing Part Number: 1UY-15517-01-00, 5UH-15517-00-00. Gasket: 3GD-15451-00-00. We strongly suggest comparing the posted picture to the unit(s) that needs to be replaced..
