1Fitment: Ball joint kit is replacement for Rancher 350 TRX350FE ES TRX350FM S TRX350TM, replacement for Rancher 400 420. 2Replaces OEM Part Numbers: The OEM number of ATV ball joint is 51375HP5601 and 51355HP5601. 3High Quality Material: Ball joint is made of high quality chromium steel and rubber materials, high strength, sturdy and durable. 4Original Standard: According to original standard, you can direct replace the old or damaged upper lower ball joint. 5Simple Installation: The installation is simple, no modification is required, convenient for using, save your time and energy. Item Type: BallJoint Material: Chromiumsteel+rubber Including: Upper ball joint x 2, Lower ball joint x 2, Pin x 4, Washer x 4, Round washer x 4 Replace OEM: 51375-HP5-601, 51355-HP5-601 Application: New aftermarket replacement parts that meet or exceed OEM standards for replacement and refurbishment of original ball heads Function: 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 2000-2006 Replacement for Rancher 350 TRX350FM S 2000-2006 Replacement for Rancher 350 TRX350TE ES 2000-2006 Replacement for Rancher 350 TRX350TM 2000-2006 Replacement for Rancher 400 TRX400FGA AT GPScape 2004-2007 Replacement for Rancher 420 TRX420FA AT 2009-2014 Replacement for Rancher 420 TRX420FE ES 2007-2013 Replacement for Rancher 420 TRX420FM 2007-2013 Replacement for Rancher 420 TRX420FPA AT 2009-2014 Replacement for Rancher 420 TRX420FPE ES 2009-2013 Replacement for Rancher 420 TRX420FPM EPS 2009-2013 Replacement for Rancher 420 TRX420TE ES 2007-2013 2 xUpper Ball Joint 2 x Lower Ball Joint 4 xPin 4 xWasher 4 xRound Washer Please double check the part number of your item, matching information is for reference only. If you are unsure of the item, please contact us before buying to avoid unnecessary return, thanks