Fits rear, left & right on the following Polaris UTVs * 2017-2019 ACE 900, 2017 RZR S 570, 2015-2016 Ranger Full Size 570/Crew 570, 2013-2018 Ranger XP 900 / Crew 900, 900-5, 900-6, 2015-2018 Ranger 1000/XP 1000 (all excluding HST models) * Features stronger than OEM chromoly forged steel axle bars * Greased with a moly based grease to provide superior joint lubrication * Fitted with neoprene CV boots for added wear and puncture resistance * High speed bearings manufactured for long life * Double lip seals made to keep grease in and dirt out * inobard CV joint splines: 28 (both), outboard CV joint splines: 26 (both), Compressed overall axle length: 684 mm (both) * Replaces Polaris OEM # (axles) 1332947, (bearings) 3514635, 3585502.