NICHE Differential Ring Gear Pinion Set for Yamaha Big Bear 400 4GB-Y4612-00-00
Direct Replacement for the Following OEM Part Numbers: 4GB-Y4612-00-00Fits The Following OEM Models:Yamaha Big Bear 400 2WD: 2000-2004Yamaha Big Bear 400 4X4: 2000-2001Yamaha Grizzly 600 4X4: 1998.