COMPATIBILITY ?C Work on 2010 Polaris RZR 4 800, 2012 Polaris RZR 4 800, 2008-2012 Polaris RZR 800, 2009-2014 Polaris RZR S 800. (See following for more specific models.) DIRECT REPLACEMENT ?C Replace OEM part number # 5439874, 5439732, 5436973, 5436832, 5436505, 5436220, 5434551, 5433066, 5431596. It will properly fit your Polaris for any time and work better than OEM! SUPERIOR ?C Manufactured from top of the line Polyurethane materials anodized black finish, high precision, solid and stable. It is not easy to get broken or bent that you can use it for an unparalleled long time. FUNCTION — The control arm bushing in the suspension system enhances navigation and safety features of the vehicle. If something gets wrong, just change them with our bushings kit, your ATV/UTV deserve it. 100% SATISFACTION GUARANTEE — If you’re not 100% satisfied with your bushing kit, simply return it for a full refund in 30 days, guarantee with 12 months?? warranty. Known Chassis Compatibility