Item Type: BallJointMaterial: Chromiumsteel+rubberIncluding: Upper ball joint x 2, Lower ball joint x 2, Pin x 4, Washer x 4, Round washer x 4Replace OEM: 51375-HP5-601, 51355-HP5-601Application: New aftermarket replacement parts that meet or exceed OEM standards for replacement and refurbishment of original ball headsFunction: Ball joint wear causes suspension to loosen. When the driver notices loose steering, steering vibration or abnormal noise, the ball joint should be replaced. If wear is severe, the studs may detach from the housing, causing immediate loss of control of the vehicle, which poses a great danger to you.Fitment:Replacement for Rancher 350 TRX350FE ES 2000-2006Replacement for Rancher 350 TRX350FM S 2000-2006Replacement for Rancher 350 TRX350TE ES 2000-2006Replacement for Rancher 350 TRX350TM 2000-2006Replacement for Rancher 400 TRX400FGA AT GPScape 2004-2007Replacement for Rancher 420 TRX420FA AT 2009-2014Replacement for Rancher 420 TRX420FE ES 2007-2013Replacement for Rancher 420 TRX420FM 2007-2013Replacement for Rancher 420 TRX420FPA AT 2009-2014Replacement for Rancher 420 TRX420FPE ES 2009-2013Replacement for Rancher 420 TRX420FPM EPS 2009-2013Replacement for Rancher 420 TRX420TE ES 2007-2013