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Teraflex Heavy Duty Ball Joints (07-18 Jeep Wrangler JK)

Market Price $249.99 You Save 5% ($12.50)
Our Price

$237.49 (set of 4)

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  • Item J102893
  • MPN# 3442002

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    Features, Video & Details

    • Upper and Lower HD Ball Joint Set
    • Replaces Factory Ball Joints
    • 4140 Chrome Moly Steel Construction
    • Unique Design for Optimum Performance
    • Heat Treated for Durability
    • Grease Fittings for Easy Servicing
    • Without Knurls
    • Sold as a Set of Four
    • Fits 2007-2018 Jeep Wrangler JK Models

    Review & Installation Video

    Review & Install Video

    I'm Ryan from, and this is my review of the Teraflex Heavy Duty Ball Joint fitting all 2007 and up JKs. This will fit either the Dana 30 or the Dana 44, so regardless of which trim package you have, these are going to work on your JK. Today, we're gonna talk through the installation of these ball joints, which I'm gonna give a strong two out of three wrenches. This is something you can do in your driveway if you have some traditional hand tools and a ball joint press. Although, it is an involved installation that not everyone is going to be comfortable getting into. We'll talk a little bit more about the installation. If you're not comfortable getting into the amount of detail you need to get into, to get these installed, you can absolutely take your Jeep to a shop and have these installed for you. We're also gonna be talking about the construction and a few of the features that make these ball joints unique compared to the other options on the market. A new set of ball joints is necessary for those of you who have worn-out ball joints. A good way to check if your ball joints are worn is to jack up the front tire, grab it at 12;00 and 6:00 and move it. If it does wiggle, then chances are you have worn ball joints, and they should be replaced. Having larger tires, different backspacing, and wheeling are all things that can prematurely wear out a set of factory-style ball joints. If you're replacing the ball joints because they wore out quickly because of the way your jeep is set up, it is a good idea to upgrade them and not just replace them with another set of OE ball joints. These ones from Teraflex are touted as the last set of ball joints you will ever need to buy, because you can actually adjust the preload on these ball joints. Even if they do start to wear out a little bit, you can adjust them without completely disassembling everything, tighten them down, and get rid of any wiggle that might start to occur. These are a great option for replacement in your Dana 30 or Dana 44. In my opinion, they're really fairly priced. They're only a little bit more than other heavy-duty ball joints on the market that aren't adjustable. This set comes with all four ball joints that you'll need, both upper and lower for both sides of your vehicle. These are a 4140 chromemoly that is heat-treated to give them maximum strength. On the inside, there are no plastic bushings or wear surfaces. This is all metal. This is definitely heavy-duty, and this is definitely designed to hold up for a good long time. Now, what makes these really unique is the adjustability that's built in to the ball joint. Up on the top here, if you loosen a couple of set screws, you can actually spin this section, which will tighten down the preload on the ball joint stud. That's something that you can't find in a lot of places. These are adjustable while they're on the Jeep, and they're also greasable on the Jeep. Sometimes even if you have a grease fitting on your aftermarket ball joint, the factory ones don't have it, but if you have aftermarket ball joints that have a grease fitting, you can't get to them without doing some level of disassembly to your vehicle. These ones come with a special Zerk fitting. As long as you line up the grease passages, you can grease these and service them while they're installed in the Jeep, making these really the last set of ball joints you're going to need to buy. You can service them in the Jeep. You can tighten them down if they ever start to wear. These are gonna keep you from having to swap out ball joints over and over again if you're really hard on your components, because, again, you either wheel your jeep and/or have a large set of tires with a little backspacing that can wear out your ball joints prematurely. Like I said before, I'm giving this a two out of three wrenches as far as installation goes, and it's a strong two out of three wrenches at that. You are going to have to do a good bit of axle disassembly in order to get these installed. You are going to need to have a ball joint press tool handy in order to get these done. Some of you might not feel comfortable tackling this job, and that's perfectly fine. You can always take your Jeep to a shop to have these installed. Another thing to note is that if you have a 2012 or newer JK, they did come with a slightly different yoke on the end of the axle shaft. That is going to need to be ground down in order to install these with clearance. Again, that's another level that adds to this install that some of you might not be comfortable with. If you have a newer Jeep, you're not comfortable grinding on your axle shafts, I would recommend taking your Jeep to a shop. If you have a 2007 to 2012 JK and you are comfortable, you have the tools or you wanna rent them, then this is certainly something you can do in your driveway. The first step in the installation is, of course, removing the tire. Then you'll remove the brake caliper, its brackets, the brake rotor and eventually remove the entire unit bearing and the axle shaft out of the front axle. From there, you can remove the outer C and finally press out the old ball joints. From there, it's just a matter of pressing in the new ball joints and reassembling your axles. Now, you will wanna be very careful when pressing in these new ball joints. A lot of the time, it doesn't matter what the orientation of the ball joint is. Because these are serviceable, you are going to wanna make sure that you follow the instructions carefully for how you orient them. That's going to ensure that you can get to the Zerk fittings and to the set screws so that you can adjust these on the Jeep without needing to disassemble things when they do need adjustment. The nice thing about them is they come right out of the box, the preload properly set, so you won't have to adjust them right when you install them right off the bat. As far as tools go, you'll need a jack and some jack stands. You'll need your traditional hand tools, and you're also going to need that ball joint press. A lot of auto part stores will rent them for you, oftentimes for free. They aren't easy-to-use tool. If this is something that you're comfortable with, again, it's completely doable in your driveway. If you're not comfortable with it or if you have one of those new Jeeps that requires grinding on the axle and you're not comfortable with that, then I would recommend taking your Jeep to a shop to get this done. If you are doing it in your driveway, this is something that I would probably set aside a good three, maybe even four hours if this is your first time doing this, get everything disassembled, pressed out, pressed back in, and reassembled. If you've already gone through a set of ball joints on your Jeep either because you wheel hard, you have big heavy wheels and tires, or a low backspacing on your wheels, this is going to be a great option. It could be the last set of ball joints you'll ever need to buy and install in your JK. That's my review of Teraflex Heavy Duty Ball Joint Set fitting all 2007 and up JKs that you can find right here at

    Off Road Integrity. Your JK's weak factory ball joints aren't made to take repeated abuse from the trail. TeraFlex's Heavy Duty Replacement Ball Joints are a unique solution to handle the demands of your off road life style. Engineered to perform under heavy stresses with excellent wear, this ball joint set out performs factory and includes grease zerks for easy maintenance.

    Extreme Construction. TeraFlex's heavy duty ball joints are made from 4140 chrome moly steel for extreme strength and durability. They're heat treated providing superb fatigue, wear and abrasion resistance. Featuring a completely different design than your weak factory equipment, these ball joints feature metal bearings to handle rotational load and a threaded cup, carbon steel spring plate, ball stud design specific to the lower joint for superior performance under your Jeep's weight.

    Application. The TeraFlex HD Ball Joints are designed for use on 2007-2018 Jeep Wrangler JK models including Unlimited and Rubicon models.

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

    CA Residents: Warning: California's Proposition 65

    What's in the Box
    • (2) Upper ball joints
    • (2) Lower ball joints
    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

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    Questions & Answers (9)

    5 Top Rated Questions

    Will this fix a death wobble?

    • The Teraflex Heavy Duty Ball Joint may help reduce or eliminate death wobble. However, death wobble can be caused by a number of different suspension components, not just ball joints.

    Helpful (3)

    Is this product made in USA ?

    • Teraflex sources their products to be made internationally, and is not made in the USA.

    Helpful (0)

    Clarification- previous Q A states this fits up to 2012 jk but the item states 7-18 jk... will it fit my 2014?

    • This kit will fit all 07-18 Wrangler JK and JKU models.

    Helpful (0)

    Are this ball joints rebuildable. Also if they can be rebuilded do you have to remove or leave in place.

    • These ball joints are not rebuildable.

    Helpful (0)

    Will these adjust camber issues

    • Depending on the need new ball joints can help adjust the camber and caster.

    Helpful (0)
    Post Your Question
    4 More Questions
    will it fit 2012 jeep wrangler sahara unlimited without any grinding for any modification 1 answer
    Are these the new redesigned ball joints with the new relocated grease fitting? Non-knurled? The picture shows original design. 1 answer
    Are these suitable for 2015 JK? i have a 2015 Rubicon unlimited. but the description on the HD Ball joint says 07-12 Wrangler JK. This has put my purchase on hold at the last minute. 1 answer
    Why only 2007-2012? We have an additional half a decade of JK's running around. Would you happen to have any for 2012 onward? 1 answer

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    Customer Reviews (29) Write a Review

    Overall Rating 4.7

    out of 5 stars

    • Fit 4.857143 4.9
    • Bang For Your Buck 4.62069 4.6

    • 5/5

      December 07, 2018

      Great ball joints

      Perfect fit for my 2015 JKU, heavy duty, and great for routine maintenance with the included zerk fittings.


      Year: 2015Submodel: Wrangler

      Helpful (0)

    • 5/5

      November 23, 2018

      Every expectation met

      Had professional do the job. Passed Ma. state inspection afterwards. Met all expectations. Further review will be amended if needed. Don't expect one.


      Year: 2016Submodel: Wrangler

      Helpful (0)

    • 5/5

      November 13, 2018


      I had really bad death wobble and now that I have these heavy duty ball joints, it's all gone! I am very surprised with the quality of my ride now!


      Year: 2009Submodel: Wrangler

      Helpful (1)

    • 5/5

      October 27, 2018

      Fantastic fixed my death wobble

      These took the wobble out of my 14 Rubi, easy to install! I would give 10 stars!


      Year: 2014Submodel: Rubicon

      Helpful (1)

    • 4/5

      October 22, 2018

      I didn't need these.

      I bought these and they are still sitting in the box they delivered in on my desk. Ball joints were fine, it was everything else that needed replaced. But I'm sure the won't expire so I'll keep them around till I see if the new bigger tires will take a toll on the current ball joints. -1 star for Terra flex stuff costing so much.


      Year: 2008Submodel: Wrangler

      Helpful (3)

    • 5/5

      October 16, 2018

      worth the extra money

      these ball joints are noticeably heavier from their all metal construction. came with all necessary hardware and good instructions. grease joints easy to access just make sure you point the lower ball joints in the correct direction. noticed an increase in handling on my 37” tires.


      Year: 2007Submodel: Rubicon

      Helpful (3)

    • 5/5

      October 02, 2018


      Good quality product, neat package, don’t settle with less, probably the last ball joints I’ll ever buy for my vehicle


      Year: 2012Submodel: Wrangler

      Helpful (1)

    • 5/5

      September 14, 2018

      JK runs great

      Nice looking ball joint. Also painted my calibers looks great runs great


      Year: 2009Submodel: Wrangler

      Helpful (2)

    • 5/5

      August 22, 2018

      feels like new

      steering was extremely sloppy on my 2008 jku with 140k miles. bumps would cause a lot of front end motion. now everything is much tighter and bumps are solid. very high quality part and came in a tightly packed foam case to ensure product protection. Instructions are detailed and there is a video on youtube.


      Year: 2008Submodel: Wrangler

      Helpful (4)

    • 5/5

      July 22, 2018

      Awesome parts

      Easy install for someone with proper tools and knowledge best choice to accompany my other upgrades.


      Year: 2007Submodel: Wrangler

      Helpful (3)

    • 5/5

      July 19, 2018

      Wow! Impressive.

      I bought a 2018 JKU Rubi and was told the ball joints had bee replaced in the last year. Took the unit in for a front end check and was told the passenger side ball joints were bad :| I was not happy but called and talked to TeraFlex and was impressed by the support people so purchased the new ball joints. Picked up an auto store rental ball joint press and off to work I went. Easy install. Great product. Test drove the jeep after and NIGHT and DAY. The front end is tight. Did a Track Bar upgrade and now it feels like driving a stock JK. BTW I have a 3.5" lift and 35" tires.


      Year: 2010Submodel: Rubicon

      Helpful (5)

    • 3/5

      July 12, 2018

      Ball joints

      After I bought this product and install them on my Jeep Wrangler 2010 i'am very happy my jeep feels great especially in the road


      Year: 2010Submodel: Wrangler

      Helpful (2)

    • 5/5

      July 12, 2018

      Solid Buy.

      Honestly the ride is so much better. Solid improvement. I have a small 2.5 lift on it and these returned the feel of the drive to factory or better. The 'janky' is gone.


      Year: 2010Submodel: Wrangler

      Helpful (3)

    • 5/5

      April 27, 2018

      No more death wobble

      Had the death wobble in my wrangler. I purchased these after reading ball joints could be responsible for death wobble if worn down. Mechanic said I did not need them and that my factory ones looked good. After checking he found that the factory ones had worn on the inside and replaced them with the heavy duty teraflex ones I purchased. Since then I’ve had no problems with the death wobble. I did add a track bar along with these but the drive is now amazjng


      Year: 2008Submodel: Wrangler

      Helpful (3)

    • 5/5

      April 22, 2018

      Worth the wait!

      I ordered these in Feb. They were on back order and finally received them in April. Got them installed rather quickly and it immediately showed a huge improvement. No more death wobble, which as we all know is huge weight lifted. Great product Teraflex!


      Year: 2009Submodel: Wrangler

      Helpful (3)

    • 5/5

      April 19, 2018

      Tera flex Jeep Wrangler ball joints

      I was impressed with the quality of the Tera flex adjustable ball joints for the jeep jk. High quality craftsmanship coupled with a fairly straight forward installation makes these ball joint a must have for any jeep owner.


      Year: 2008Submodel: Rubicon

      Helpful (3)

    • 5/5

      April 15, 2018

      Easy to put in.

      Had a serious death wobble in my front end. Bought these to try and fix it. Took about 3 hours for me and my buddy to install. Overall they go in very easily as long as you have a good ball joint press. Rented one from auto zone and it worked great. Nice that they are greasable and can adjust the preload on them. Also replaced tie rods, drag link and hub bearings, but no more death wobble, so that's great. Bang for your buck definitely 5/5.


      Year: 2008Submodel: Wrangler

      Helpful (4)

    • 5/5

      September 12, 2017


      Best iv had. Can't go wrong with getting these ............


      Year: 2010Submodel: Wrangler

      Helpful (3)

    • 5/5

      August 15, 2017

      Frontend Upgrade

      I upgraded my frontend with the Teraflex Heavy Duty Ball Joint Set, Heavy Duty Trackbar, and Heavy Duty Draglink. The results were instant and amazing. I lifted my JK 3 1/2" over a year ago and its hard to believe I went this long before doing this. Don't wait! The improvements in handling, bump steer and road feel will change your entire Jeep experience. The Ball Joints were a bit of work to install so be prepared, but at the end of the day it was worth every minute.


      Year: 2012Submodel: Rubicon

      Helpful (12)

    • 1/5

      July 27, 2017

      Not what I expected

      When these were installed both of the front axles were shaved down as much as possible without damaging the joints everything was reenstalled as prescribed in the instructions. It was taken around the block and I immiediatly identifies the shafts were still rubbing needless to say I am not happy with this product


      Year: 2012Submodel: Rubicon

      Helpful (7)

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