NICHE Rear CV Axle Kit For John Deere Gator RSX850i RSX860i AM145321 AM145320. NICHE Axle Parts Part Number: MK1012358 Includes: (2) CV Axle Assemblies. Replaces OEM Part Numbers: Rear Right Axle: John Deere AM145321, AM140786, AM140127; Rear Left Axle: John Deere AM145320, AM140785. Compatible with: John Deere 2013 RSX850i Gator, 2013 RSX850i Sport Gator, 2013 RSX850i Trail Gator. Compatible with: John Deere 2013 RSX860i Gator, 2013 RSX860E Gator, 2013 RSX860M Gator. Rear Left Axle: Compressed Length (mm): 573; Outer Joint Splines: 24T; Outer Joint Compressed Length (mm): 94; Inner Joint Splines: 28T; Inner Joint Compressed Length (mm): 64.5. Rear Right Axle: Compressed Length (mm): 673; Outer Joint Splines: 24T; Outer Joint Compressed Length (mm): 94; Inner Joint Splines: 28T; Inner Joint Compressed Length (mm): 64.5. Forged directly from the belief that better products for ATV’s, UTV’S, Motorcycles, Snowmobiles, all other Powersports Vehicles is possible, NICHE Parts combine attention to detail and a “Get The Job Done Right” attitude. Our high-quality control standards and premium OEM Specification manufacturing materials has created a new standard in the OPE Replacement Parts Industry.