Fits rear, right (passenger side) on the following John Deere Gator 4x4 models: 2013-2015 RSX 850i (including Standard, Sport, Trail, & SE), 2016-2020 RSX 860 (including 860i, 860E & 860M). 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. Replaces OEM # AM140786, AM145321.