Polaris wheel hubs lack of protection against water and mud due to the absence of oil seals. Our dedicated off-road wheel bearings feature a set of spring loaded dust seals which significantly increase the watertightness. Factory Links bearings are packed with a heavy duty premium marine grease and an addition of a special complex thickeners which allows it to be virtually waterproof. It provides unsurpassed rust and corrosion protection. For RZR Built before 3/21/10, make sure your vehicle is equipped with the upgraded hub kit: 2204717 Contains x1 Bearing Factory Links kit fits the following vehicles: *F=Fits Front Wheels, *FR=Fits both Front & Rear Wheels Polaris ACE 570 (18-19) *F ACE 900 (17-18) *F Brutus HD 900 (13-15) *F General 1000 (16-18) *FR Ranger 1000 Diesel (15-18) *F RANGER 1000 *FULL SIZE (21-21) *F RANGER 1000 PS *FULL SIZE (21-21) *F Ranger 500 (09-10) *F Ranger 570 (15-16) *F Ranger 6×6 800 (10-16) *F Ranger 700 (09-09) *F Ranger 800 (10-14) *F Ranger 900 (13-18) *F Ranger 900 Diesel (11-14) *F Ranger 900D HIPPO MPS (14-14) *F Ranger Diesel HST/Deluxe (14-14) *F Ranger Diesel INTL (14-14) *F Ranger HST (15-16) *F Ranger XP 800 (12-12) *F RZR 1000 60 INCH (16-20) *FR RZR 4 800 (10-14) *F RZR 4 900 (15-18) *FR RZR 4 XP 900 (12-14) *FR RZR 4 XP JAGGED X (13-13) *FR RZR 570 (12-18) *F RZR 800 (10-14) *F RZR 900 (15-18) *FR RZR S 800 (10-14) *F RZR XP 1000 (14-20) *FR RZR XP 4 1000 (14-20) *FR RZR XP 4 TURBO (16-20) *FR RZR XP 900 (11-14) *FR RZR XP TURBO (16-20) *FR Scrambler 1000 (14-18) *FR Scrambler 850 (13-20) *FR Sportsman 1000 (15-18) *FR Sportsman 550 (09-14) *FR Sportsman 850 (14-18) *FR Sportsman *Forest 1000 EU (15-15) *FR Sportsman *Forest 550 (11-14) *FR Sportsman *Forest 850 (11-15) *FR Sportsman Touring 1000 (15-19) *FR Sportsman Touring 550 (10-14) *FR Sportsman Touring 850 (10-18) *FR Sportsman X2 850 (11-11) *FR Sportsman XP 850 (09-14) *FR