Fits front, left and right on the following Kawasaki UTV models: 2005-2016 Mule 610 4x4, 2017-2021 Mule SX 4x4 (including XC editions). Features 4140 chromoly steel bars for a higher tensile strenth and more durability. Engineered as a direct replacement, fully-assembled, and ready to install. Please note the bearings are usually shipped inside the axle boxes. Joints fitted with neoprene CV boots for flexibility and resistance to hot/cold temperatures. Utilizes high-performance moly grease for protection against the environment and to keep vital components lubricated. High speed bearings manufactured for long life. Double lip seals made to keep grease in and dirt out. Inboard CV joint spline count: 20 (both) * Outboard CV joint spline count: 24 (both) * Compressed overall axle length: 577 mm (both). Warranty: 2 Years (excluding torn boots & use on lifted vehicles). Lift kit voids warranty, parts are not designed to be used on modified suspensions. This pair of CV axles & wheel bearings fit front left & right on the 2005-2016 Kawasaki Mule 610 4x4 & 2017-2021 Kawasaki Mule SX 4x4 * Greased with a moly based grease to provide superior joint lubrication * Fitted with neoprene CV boots for added wear & puncture resistance * High speed bearing manufactured for long life * Double lip seal made to keep grease in and dirt & water out * inobard CV joint spline count: 20 (both) * outboard CV joint spline count: 24 (both) * Compressed overall axle length: 577 mm (both) * Replaces OE # 59266-0039, 59266-0006.