Fits front, left or right on the following Polaris models: 2018-2025 Sportsman 450 4x4, 2018-2025 Sportsman 570 4x4/6x6. Features a stronger than OEM chromoly forged steel axle bar. Greased with a moly based grease to provide superior joint lubrication. Fitted with neoprene CV boots for added wear and puncture resistance. High speed bearing manufactured for long life. Double lip seal made to keep grease in and dirt out. Replaces OEM # 1333752, 3514342, 3514634.