Will fit different locations depending on which Yamaha ATV model you have. Fits front, left on the 2012-2014 Grizzly 450. Fits front, left or right on the 2012-2014 Grizzly 350. Fits front right on the 2012 Big Bear 400. Features a stronger than OEM, 4140 chromoly 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 # 4S1-2510J-00-00, 4S1-2510F-00-00, 4S1-2511E-01-00.