This is a brand new, OEM quality, aftermarket rear differential ring gear for ALL year models from 2000-2007 Honda TRX 400 Rancher AT four-wheelers. This excellent quality part is made to meet or exceed Honda OEM standards! This ring gear replaces Honda OEM part #41431-HN5-670 that sells from Honda for about $250.00! DON'T MISS OUT on this opportunity to get these great parts at an incredible price. This doesn't include any bearings or seals.