Application Compatible for RHINO 660 4WD YXR660FA 2004-2007 Compatible for RHINO 660 4WD EXPLORING EDITION YXR660FAEX 2006-2007 Compatible for RHINO 660 4WD HUNTER YXR660FAH 2004-2006 Compatible for RHINO 660 4WD HUNTER YXR66FH 2007 Compatible for RHINO 660 4WD DUCKS UNLIMITED EDITION YXR66FDU 2007 Compatible for RHINO 660 4WD SPORT EDITION YXR66FSP 2007 Manufacturer Part Number 1RB-46101-00-00, 5UG-46101-10-00 Specification 1. New.2. A fully assembled Rear Differential for your Rhino. It does come exactly as it is shown in the picture, & is a fully plug & play application. Feature 1. OE quality, lower price.3. One Year warranty.3. Every gear set is made with the latest gear cutting technology & precise heat treat processes.4. Cast iron covers are manufactured from the finest materials, precision-machined for proper fit.5. Improves rear end life durability, dissipates heat faster.6. Large stock & fast delivery.7. Complete Rear Differential Assembly for Quick & Easy Installation. Notice* The function of vent tube is to exhaust. The end plug is designed to prevent leakage of oil in transit. Please pull it out after installation of Differential.* We strongly suggest comparing the posted picture to your faulty unit!* Fitting Position: Rear Axle.