UPPER BALL JOINT: Steering and Suspension PARTS

The upper ball joint is the pivot point between the upper control arm and the spindle or knuckle support. Ball joints on a car are the pivot points for the front wheels. This is true for most all modern vehicles.

Ball joints allow free movement in 2 planes at the same time. This eliminates the need for upper and lower pivot pins. Its predecessor, the king pins, could not do that. Ball joints also free up the center of the hub, so that it is not obstructed. This allows drive axles for front wheel drive, 4-wheel drive and all-wheel drive.

The cost of replacing a ball joint can be anywhere from 30 dollars all the way up to 300 dollars or more. Cost will depend on the application, availability and how many ball joints are worn out.

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UPPER BALL JOINT FEATURES

Upper Ball Joint
  • Like nothing you’ve seen before. It uses our revolutionary adjustable load carrying cap to set load distribution
  • Unlike OE, this presses from bottom up, allowing it to carry part of the load
  • It carries an average of 20% of the load, reducing the load on the lower ball joint
  • Heavy duty – uses tapered roller bearings for load carrying, and PTFE lined epoxy bearings to compensate for misalignment, or bent inner C’s
  • All hardware is included

Part#:
RP12573 for 2007 & Up Jeep JK

Upper Ball Joint Details

VIDEO: HOW TO INSTALL BALL JOINTS


Wikipedia also offers this additional information on how ball joints work.


UPPER BALL JOINT APPLICATION GUIDE

MAKE Model Trim Level RP12573 Kit RP12193
Upper Ball Joint
Jeep Wrangler X 2007-2009, 2015 2007-2009, 2015
Jeep Wrangler Unlimited X 2007-2009, 2015 2007-2009, 2015
Jeep Wrangler Sahara 2007-2016 2007-2016
Jeep Wrangler Unlimited Sahara 2007-2016 2007-2016
Jeep Wrangler Rubicon 2007-2016 2007-2016
Jeep Wrangler Unlimited Rubicon 2007-2016 2007-2016
Jeep Wrangler Sport 2010-2016 2010-2016
Jeep Wrangler Unlimited Sport 2010-2016 2010-2016
Jeep Wrangler Unlimited Sport RHD 2010-2016 2010-2016
Jeep Wrangler 70th Anniversary Edition 2011 2011
Jeep Wrangler Unlimited 70th Anniversary Edition 2011 2011
Jeep Wrangler Call of Duty: MW3 Edition 2012 2012
Jeep Wrangler Sport S 2013-2016 2013-2016
Jeep Wrangler Unlimited Sport S 2013-2016 2013-2016
Jeep Wrangler Sport Freedom Edition 2013 2013
Jeep Wrangler Unlimited Sport Freedom Edition 2013 2013
Jeep Wrangler Sahara Moab Edition 2013 2013
Jeep Wrangler Unlimited Sahara Moab Edition 2013 2013
Jeep Wrangler Rubicon 10th Anniversary Edition 2013 2013
Jeep Wrangler Unlimited Rubicon 10th Anniversary Edition 2013 2013
Jeep Wrangler Willys Wheeler Edition 2014-2016 2014-2016
Jeep Wrangler Unlimited Willys Wheeler Edition 2014-2016 2014-2016
Jeep Wrangler Willys Wheeler W Edition 2014-2016 2014-2016
Jeep Wrangler Unlimited Willys Wheeler W Edition 2014-2016 2014-2016
Jeep Wrangler Freedom Edition 2014-2016 2014-2016
Jeep Wrangler Unlimited Freedom Edition 2014-2016 2014-2016
Jeep Wrangler Altitude 2014-2015 2014-2015
Jeep Wrangler Unlimited Altitude 2014-2015 2014-2015
Jeep Wrangler Rubicon X 2014 2014
Jeep Wrangler Unlimited Rubicon X 2014 2014
Jeep Wrangler Polar Edition 2014 2014
Jeep Wrangler Unlimited Polar Edition 2014 2014
Jeep Wrangler Unlimited Dragon Edition 2014 2014
Jeep Wrangler Rubicon Hard Rock 2015-2016 2015-2016
Jeep Wrangler Unlimited Rubicon Hard Rock 2015-2016 2015-2016
Jeep Wrangler Black Bear 2016 2016
Jeep Wrangler Unlimited Black Bear 2016 2016