Rear Differential Gear Replacement Top Notch Parts Honda TRX300FW Fourtrax Rear Differential Ring Pinion Gear & Bearing 1988-2000 ATV Ring Gear Pinion Gear Tips before Purchase: Please carefully check whether your model is applicable to our products before buying. The pinion drives the ring gear from the center causing it to rotate. As the ring gear rotates it will cause the surrounding smaller spider gears to rotate in rhythm You can refer to the applicable models, pictures and OEM numbers on our page to help you determine your choice Part number 41310-HC5-305 fits TRX300 and TRX300FW models from 1988 through 2000, both 2x2 and 4x4 versions. The set includes one ring gear and one pinion gear - exactly what you need when your differential gears are worn out or damaged. Quality construction ensures smooth operation and long-lasting performance Compatible Models: For Honda ATV Fourtrax 300 TRX300FW 4x4 1988-2000., Manufacturer Part: 41310-HC5-305 Honda Fourtrax 300 Rear Differential Every product purchased from us comes with 24-hour friendly customer service and 1 year product service