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Alloy USA Heavy Duty Ball Joint Kit (07-18 Wrangler JK)

Market Price $239.99 You Save 21% ($49.99)
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  • Item J20403
  • MPN# 11800

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    Features, Video & Details

    • Ball Joint Kit
    • Chromoly Ball Stud
    • Polyurethane Dust Boot
    • Carburized Alloy Housing
    • Heavy Duty OE Upgrade
    • Grease Fittings for Easy Maintenance and Extended Service Life
    • Oil Quenched and Tempered Chromoly Ball Stud Has Spiral Grooves to Ensure Even Oil Dispersion
    • Polyurethane Dust Boots Resist Cracks and Tears
    • Improves Steering Control with Larger Wheels
    • Includes 4 Heavy Duty Ball Joints (Upper and Lower)
    • Fits 2007-2018 Wrangler JK

    Review & Installation Video

    Review & Install Video

    I'm Ryan from, and this is my review of the Alloy USA Heavy Duty Ball Joint Kit, fitting all 2007 and up JKs. These will work on both your Dana 30 and your Dana 44 front axle. So, regardless of which trim package Jeep you have, whether or not it's a Rubicon, these will work for you. Today, we're gonna talk through the installation of this Ball Joint Kit which I am going to give a three out of three wrenches. This is a very involved install that does require a good bit of disassembly of your front axle, and it also requires a ball joint tool in order to install them. So, it is going to be something most of you are going to wanna take your Jeep to have installed. We're also gonna talk through the construction and a few of the other features of these Ball Joints. This Ball Joint Kit is for those of you who have worn out ball joints either because you have big tires, you have little back spacing on your wheels, and/or you wheel your Jeep really hard. A lot of the modifications we do to our Jeeps will wear out a set of factory ball joints pretty quickly, even if you have a bone stock Jeep, eventually ball joints will wear out. They're simply a wear item. So, if you're going to replace them, you might as well replace them with something that is heavier duty and going to last longer than the OEM set will, and that's where these come in. Alloy USA has a good name in suspension and drive train components, they've been around for a good long time. And these are a very well-built, very strong set of ball joints, that are priced right around where most of the other sets on the market are priced. As I said before, these are going to be a lot stronger than an OEM ball joint, and they're gonna hold up a lot better. These do have a chromoly ball joint shaft, they have a carburized alloy housing. These are greasable, they come with polyurethane grease boots to keep the grease in and the dirt out, and these are greasable ball joints. So, you are going to be able to service the ball joint, keep them lubricated, which will keep them alive a lot longer. Now, these are a knurled ball joint and the factory ones are not. If you have a ball joint seat that is a little bit worn and that has a little bit of play in it, using a knurled ball joint is a good way to make sure that the ball joint is going to fit really tight. However, if you don't have a lot of play and you have a regular smooth ball joint seat, getting a smooth ball joint isn't a bad idea either. It's really up to you what you would prefer and what you wanna install in your Jeep. These do come with, of course, the castle nuts, the grease fittings, everything that you're going to need to get them installed. This is a set of four ball joints, you're gonna have upper and lower for both the left and the right side. It is a complete kit and again, it is very well-built. The one thing that is different about these, than say the TeraFlex ball joints is that, these are not adjustable. This is more of a standard ball joint, although it is very strong. TeraFlex does make something that for about $40 more, you can get an adjustable ball joint, that you can adjust the preload on so, when they do start to wear out you can adjust them, you don't have to swap them out. These are not going to be those, these are much more of a standard non-adjustable ball joint, although again, they are built very, very well. They are very, very strong and they're gonna hold up a lot longer than an OEM ball joint would. As I said before, the install for these is going to be a three out of three wrenches. In order to get these installed, first you're going to have to remove your tire, your brakes and the complete unit bearing from the outside of the axle including the axle shafts. From there, you'll be able to remove the outer seat and finally use a ball joint press tool to press the old ball joints out of their seats. After that, it's just a matter of pressing the new ones in place, reinstalling the seat, the axle shaft, unit bearing, your brakes and, of course, your tires. It does seem like it's a pretty straightforward process, and all in all it is. If you decided that you wanted to tackle this on your own, you could purchase, or even rent, or borrow for free a ball joint press tool from most auto parts stores. However, you're not gonna be able to do the job without that tool. So, if you do decide to do this on your own, make sure that you get that tool and have it on hand before you get started. Other than that you're not going to need a lot of specialty tools, but I would set aside around four hours to get this installed completely. These ball joints are priced right around where most other sets of standard non-adjustable ball joints are priced, give or take $20. And as I said before, when you start looking at ball joints in the way that they are constructed, these are built very well, all of the wear surfaces are hardened, these are going to hold up for a good long time. If you do have the budget for it, you wanna spend 40, 50 more dollars, you can get an adjustable set of ball joints from TeraFlex that are going to last even longer, because when they do start to wear out you can adjust them. However, if you're looking for a standard set of non-adjustable ball joints, these ones are priced right and very well built. So, whether you've worn out your ball joints from just putting a ton of miles on your JK, or worn them out a little bit quicker because you have large tires, low backspacing on your wheels, or you just wheel really hard. These are going to be a high quality and well-priced replacement. So, that's my review of the Alloy USA Heavy Duty Ball Joint Set, fitting all 2007 and up JKs, that you can find right here at

    Specs. The Alloy USA heavy duty ball joint kit is designed to eliminate wheel vibration while extending the service life of your ball joints in extreme, off-road applications. These greasable joints feature an oil quenched and tempered chromoly ball stud with spiral grooves to ensure even lubrication during hard use. The carburized alloy housing can withstand extreme use and vibration while the polyurethane dust boots won't get cracked or torn out on the trail. If you want tough, serviceable ball joints, Alloy USA has them.

    Application. This ball joint kit fits 2007-2018 JK Wranglers.

    Fitment: 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 Details

    What's in the Box
    • (4) Ball Joints
    • Hardware
    Installation Info
    Will it fit my Wrangler?
    • JK Rubicon 2 Door - 07, 08, 09, 10, 11, 12, 13, 14, 15, 16, 17, 18
    • JK Rubicon 4 Door - 07, 08, 09, 10, 11, 12, 13, 14, 15, 16, 17, 18
    • JK Wrangler 2 Door - 07, 08, 09, 10, 11, 12, 13, 14, 15, 16, 17, 18
    • JK Wrangler 4 Door - 07, 08, 09, 10, 11, 12, 13, 14, 15, 16, 17, 18

    People Who Bought This Item Also Bought

    Most Helpful Reviews

    Death Wobble

    At 102,000 miles our 12' JKU developed the dreaded DEATH WOBBLE so it was time for a rebuild. Since Jeep doesn't install a greasable part from the factory I knew that "OEM quality" parts were NOT going ...

    Read More
    Helpful (4)

    what a let down

    The upper left ball joint snapped as it was being install. I had to buy a stock one to get back on the road. now i don't trust the ball joints i'm on. Not so heavy duty after all.

    Helpful (4)

    Overall Rating 4.4 out of 5 stars
    Read All 22 Reviews

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    Customer Reviews (22) Write a Review

    Overall Rating 4.4

    out of 5 stars

    • Fit 4.727273 4.7
    • Bang For Your Buck 4.818182 4.8

    • 1/5

      October 18, 2016

      what a let down

      The upper left ball joint snapped as it was being install. I had to buy a stock one to get back on the road. now i don't trust the ball joints i'm on. Not so heavy duty after all.


      Year: 2007Submodel: Wrangler Unlimited

      Helpful (4)

    • 5/5

      August 11, 2016

      Death Wobble

      At 102,000 miles our 12' JKU developed the dreaded DEATH WOBBLE so it was time for a rebuild. Since Jeep doesn't install a greasable part from the factory I knew that "OEM quality" parts were NOT going back in. The Alloy USA ball joints are top notch and can be greased which should make them the last set this Rubicon will ever need. The factory D44 axle is a far cry from Danas earlier 44's and are a real PITA to change ball joints in. But the final product is great.


      Year: 2012Submodel: Rubicon Unlimited

      Helpful (4)

    • 4/5

      March 28, 2016


      Greatly helped with wobble on road and off. I recommend.


      Year: 2009Submodel: Wrangler UnlimitedAva, IL 62907, USA

      Helpful (3)

    • 5/5

      September 19, 2015

      Heady Duty and drives like a dream

      Not only am I impressed with the quality of these ball joints but the company that stands behind them as well! Currently running RE 2.5" lift, 35" tires, and armored all around on a 2007 Rubicon Unlimited. She drives straight down the freeway and not an ounce of wobble since. For the price I was a little worried I would be doing this again next year but now very confident there is no need.


      Year: 2007Boise, ID, USA

      Helpful (3)

    • 5/5

      February 09, 2014

      Fixed death wobble

      I had some major death wobble due to larger tires and lift kit installed these and all problems were solved! Great product!


      Year: 2008San Francisco Bay Area, CA, USA

      Helpful (3)

    • 5/5

      August 03, 2017

      Good buy

      A great "in the middle" from OEM to the more expensive adjustable one.


      Year: 2014Submodel: Wrangler

      Helpful (2)

    • 4/5

      July 18, 2015

      Heavy Duty Ball Joints

      Great Fit, Good price for a set of Heavy Duty ball Joints with a five year warranty. Would defiantly Recommend these Ball Joints when running bigger tires and a lifted vehicle.


      Year: 2007Berlin, WI 54923, USA

      Helpful (2)

    • 5/5

      April 04, 2017

      Alloy ball joints

      Way better than stock. Had a little wobble in the front. Now it's completely gone thanks to these. Would definitely buy again.


      Year: 2009Submodel: Wrangler

      Helpful (1)

    • 4/5

      October 15, 2015

      Awesome stability!

      I installed these over Columbus Day weekend. They are tough and are a complete overhaul compared to the OEM joints. I am running 37's with these , and the steering is solid and the front end is completely free of wheel shimmy. I would def recommend as the first upgrade to any rig.


      Year: 2011Middletown, RI, USA

      Helpful (1)

    • 4/5

      June 12, 2015

      Great value

      These ball joints are the best you can get for the price comparable to the higher end stuff without the high end price tag they are way better than stock ones you can't go wrong


      Year: 2009Hollister ca

      Helpful (1)

    • 5/5

      May 15, 2015

      Great product

      My jeep had the shakes, I went with this product because the bang for your buck and l liked everyone's reviews!


      Year: 2015Saint Marys, OH 45885, USA

      Helpful (1)

    • 4/5

      January 11, 2018

      alloy USA Heavy Duty Ball Joint KIt

      I bought an over the counter ball joint kit from the local parts store, they were grease able but didn't last four months of mostly street use. The Alloy USA set went in easily and I can get to the lower Grease fitting without any trouble. the Jeep tracks straight now and is like new.


      Year: 2013Submodel: Rubicon

      Helpful (0)

    • 5/5

      December 28, 2017

      Love it

      Easy to install and very strong with a lifted wrangler


      Year: 2010Submodel: Wrangler

      Helpful (0)

    • 5/5

      December 27, 2017

      Works good

      For the price, these work great. I would recommend to spend some more and get the Teraflex brand.


      Year: 2014Submodel: Rubicon

      Helpful (0)

    • 5/5

      December 07, 2017

      Excellent product

      Installation was a breeze. Instructions tell you to put the standard grease zert for upper ball joint in the lower one temporarily, to put a little grease in. On one lower joint the threads were slightly small and had to enlarge them a bit. Be careful if you do, since the zerts for the lower joints have slightly smaller diameter threads. Make sure if you rent or buy the ball joint press tool to get the adapter for installing the joints. It is just a short sleeve with one side about a 3 to 4 degree taper. Makes the joints go in straight. You can easily make one out of 1-3/4" DOM rollbar tubing, if the adapter is not available. Good feeling to have heavier duty, greasable joints installed.


      Year: 2008Submodel: Wrangler

      Helpful (0)

    • 5/5

      November 26, 2017

      Good proudect

      When it first came in it was out of the box and rolling around in the shipping box. I had to clean treads up and then installed them on my jeep and steering got better no more shacking.


      Year: 2009Submodel: Wrangler

      Helpful (0)

    • 5/5

      November 19, 2017

      Great product.

      Cheap, Greasable, and more heavy duty than the stock ones.


      Year: 2015Submodel: Wrangler

      Helpful (0)

    • 4/5

      November 18, 2017

      Out with the old in with the NEW

      These ball joints are really good quality and well worth the money. They are way better than the OEM one’s and they cured my death wobble.


      Year: 2013Submodel: Wrangler

      Helpful (0)

    • 4/5

      August 24, 2017

      Good product.

      Been running them for a year with no problems. I run in everything from sand to rocks. A little tricky to grease but other than that great product so far.


      Year: 2009Submodel: Wrangler

      Helpful (0)

    • 5/5

      June 21, 2017

      Very happy

      I was very happy with the way the ball joints looked out of the box. They looked very well built and stronger than the original pieces. They really tighten up the front of the Jeep. I am very pleased with them and would recommend them to anyone looking an upgrade on a budget.


      Year: 2009Submodel: Wrangler

      Helpful (0)

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