Fits rear, left or right on the following Kawasaki UTV models: 2000-2002 Mule 2510, 2004-2008 Mule 3000, 2001-2008 Mule 3010, 2009-2025 Mule 4000, 2009-2025 Mule 4010/4010 Trans. Features a 4140 chromoly steel bar for a higher tensile strenth and more durability. Engineered as a direct replacement, fully-assembled, and ready to install. Inner spline count: 15, Outer spline count: 24. Double U-joint type complete axle. Replaces OEM # 39158-1119, 39158-1120, 39158-1104, 39158-1105, 39158-1109. Warranty: 2 Years (excluding torn boots & use on lifted vehicles). Lift kit voids warranty, parts are not designed to be used on modified suspensions. Fits rear, left or right on the following Kawasaki models: 2000-2002 Mule 2510, 2004-2008 Mule 3000 2x4, 2001-2008 Mule 3010 4x4, 2009-2025 Mule 4000 2x4, 2009-2025 Mule 4010 / 4010 Trans 4x4 * Features a stronger than OEM chromoly hardened steel axle bar * Fitted with a neoprene CV boot for added wear and puncture resistance * inobard Splines - 15, outboard Splines - 24 * Replaces Kawasaki OEM # 39158-1105, 39158-1109, 39158-1104, 39158-1119, 39158-1120.