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Availability:
In Stock.
Arrives
Tuesday, Oct 6
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Features
- Removes and replaces ball joints
- New forged alloy C frame press has industry leading strength and can alone be used to remove and replace universal joints
- Set includes all the receiver tubes and removing/installing adapters needed to work on press-fit upper and lower ball joints on most Domestic 2 and 4 wheel drive vehicles plus many Import and Euro applications though the 2020s, guidance for over 1,200 applications listed in the manual.
- Also included is the #2030-1 live center forcing screw plug
- Astros famous forged alloy press measures 6 internally, 8.75 overall. For a larger press and larger applications see Astro #78100 Goliath Press, 9.1 internal, 11.9 overall.
Description
Astro Pneumatic's 7897 Ball Joint Service Tool and Master Adapter Set includes all the receiver tubes and removing/installing adapters needed to work on press-fit upper and lower ball joints on most GM, Ford, and Dodge 2 and 4 wheel drive pickups, vans and sport utility vehicles. Comes in blow molded carrying case, keeping the tools organized and easy to transport.
Manufacturer: AP Astro
Brand: AP
Model: Astro Pneumatic BALL JOINT SERVICE TOOL AND MASTER ADAPTER SET
Item Weight: 30 pounds
Product Dimensions: 4.8 x 21.1 x 24.2 inches
Item model number: 7897
Manufacturer Part Number: 7897
Date First Available: October 2, 2001
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Tuesday, Oct 6
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Although this tool is made in china, it is an absolute beast!! I was hesitant to purchase this kit because of it being manufactured in China. I wanted either a made in usa one like the otc, or a made in Taiwan one like the powerbuilt. I debated and researched for days, watching video after video, review after review. I literally could not find anyone saying bad things about this kit, including tons of automotive mechanic channels on youtube. A well known channel, Eric O from South Main Auto has run this kit often, and in dozens of videos in the rust belt state of New York. I've never seen a cup warp, the c-clamp bend, or the forcing screw break, or strip. I've also used this kit a dozen times myself over the last year, and I have never had so much as a glitch with this kit. I don't know why everyone is so stuck on the made in usa otc 7249 kit. I actually reached out to otc customer service and they told me that only the clamp itself is made in the US, and nothing else. The forcing screw, the kit's adapters, and the case are all still made in china!! Message them and ask if you don't believe me. I know your going to say, " well the US made one is better forged metal," but I'm telling you it's not. Otc actually used to manufacture the 7249 c-clamp in China for many years before manufacturing was moved to the US, and they actually still manufacture many of their other kit's adapters, attachments, forcing screws, and clamps there as well. In fact, otc still manufactures several other versions of their c-clamp in China as well. The c-clamp in the otc 6530, 6559, ca6630, 8031, and several others are all still manufactured in China. This astro kit is just as good, or better than the otc kit, I'm telling you. The astro clamp actually weighs 2 lbs more than the otc clamp, no joke. Tons of companies including snap on, matco, Mac tools, vim, bluepoint, Williams, and others all have stuff manufactured in China. Although most tools that are manufactured in China can definitely be terrible quality, not everything is going to be garbage. This kit is a testament to that and I don't regret my purchase whatsoever!!
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Reviewed in the United States on February 22, 2023 by Victor Hoyt
I purchased the Astro Pneumatic 7897 Ball Joint Service Tool and Master Adapter Set as an Amazon Warehouse deal after *way* too much painful research on trying to determine what ball joint kit would work on my 2006 Chevrolet Trailblazer SS front lower ball joints. Way too many of these reviews say NOTHING about what vehicle they used it for - shame on them. I emailed Astro and a few other companies about their application charts (specifically whether it would fit my vehicle) and almost every reply and every chart is close to useless. Only OTC responded with an affirmative via an application chart, but they required an additional $77 purchase for 4 more receiver/press pieces! OTC and Astro both listed length, ID and OD sizes for all their pieces though, so I was able to sort out that this Astro kit *might* do the trick. Fortunately, I was right. So my first goal was reliability - many people either hate or love the C frame that whatever brand kit comes with. So I weighted reviews on that topic. The confusing part about that is so many of these C frames (and kits) are identical, sold under different names, and sourced from China (well, all are sourced from China). Second goal was finding the right size receivers/adapters. That was almost impossible, since only OTC listed my car and virtually no one would list their application in their reviews (what is your problem, reviewers???). Through my frequent forum travels, I knew the Powerbuilt/Alltrade 648617 Kit #46 would fit - that's what most Autozones rent. But except for a deal I let slip through, it seemed like the price recently went up a bit and those were around $200. Third goal was affordability, since I was going to use this once for my TBSS, and *maybe* again on our Lexus RX330, but less likely. I could use the press for other things, like bushings and bearings, I suppose, but still - fairly limited use. Thanks to the Amazon Warehouse deal I got it for $93 in Very Good - Used condition. As usual, I made out on that deal, because it looked brand new. I can guarantee the C frame and threaded rod were NEVER used - they had some shipping/plastic grit on them that couldn't have been on it if it were used. And of course, the most important thing - did it work? Absolutely. The lower ball joints on a GMT360 (Trailblazer/Envoy/Ascender/Rainier/Bravada/9-7x) are notoriously nasty to remove, thanks to a horrible method GM uses with a flared end opposite the stud side with 3 tabs that are even more flared. I actually bought new lower control arms and bought new Raybestos Pro Grade ball joints and removed the cheap ones from the new control arm and put the Raybestos ones in. Why? Because after buying every front end part (inner/outer tie rods, stabilizer links, control arms, bushings, ball joints) for my truck 2 and 3 times over now in the past months, I've found about 33% of the time you get counterfeit or wrong parts. I gave up getting real Raybestos Pro Grade Lower Control Arms and decided to make my own, so to speak, replacing ball joints and bushings with ones I purchased seperately in 2 new lower control arms that kept showing up no matter who I bought it from. Why not just replace the ones in the arms of my truck? This way I had more time to make sure I could press these things in and out and also much less downtime with my truck. Anyway, I digress - the press works. I had to spray down the joints with PB Blaster, hammer the flared tabs and sides in a bit with a chisel and punch so they stuck up from the control arm, and then I used an angle grinder to grind that flared part off as much as I could without damaging the control arm, including a little finish work with a Dremel. One I let soak overnight, but after getting it out I didn't even let the other soak more than 10 minutes. I did use an impact wrench (an electric one from Harbor Freight - the cheap one, around $35 on sale), althought I tried to do it manually with a 25 inch breaker bar just to see how hard it was, and it was HARD - I was pretty sure I was going to snap something. so I went back to the impact wrench. I just kept pulling the trigger in 3-5 second bursts on the impact wrench - it made slow progress but it did make progress, and after 15 or 20 seconds it made a loud pop, and then a few more trigger pulls it came out the rest of the way. One note, I made sure the threaded rod and C frame threads were clean and in good shape and oiled them repeatedly during use. Far too many people don't use enough oil for these sorts of things and then complain. So while the kit itself didn't list my truck (or much of anything, actually), it worked, it worked well - I saw no visible bending or damaged threads - the rod didn't slip, everything felt like it was of reasonable quality and finish (these aren't SnapOn sockets, mind you) and I'm very happy I bought the kit. Would I buy this if I was a suspension shop? Maybe not - but for the casual consumer - I highly recommend it.
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Reviewed in the United States on April 26, 2015 by Amazon Customer
This joint press set is worth the money spent all day. I'm restoring my 2001 ram 1500 4x4, With a Dana44 This tool was able to save me time and money doing my own service work. It was absolutely excellent on the axle "u joint" press replacement.. it pressed them right out. Where this tool might be complementary is with its big brother "Goliath". Which I had purchased at the same time with this press set. This press will push what you need within reason, but when adding adapters you run out of room quick. But it is exactly quality, fit and finish was suburb and it has everything to do most general maintenance. Including offset adapters for the dana44. Not intended, but I did use air tools when doing the u joint, but breaker bar doing the ball joints. Please grease or anti-seze press screw before operating. I would purchase again.. but the quality is excellent and that will probably never have to replaced.. but i will purchase the additional sets to build out the master set further
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Reviewed in the United States on December 13, 2023 by Forrest Berger
This tool is great. The lower ball joints on a Duramax are a PITA. This tool was strong enough to complete the job. I cranked on this with a 3/4 telescoping ratchet and it broke the ball joint loose. However to drive it all the way out you need to open up the lower unit to accept the taper of the shaft. The force it took was unreal, the tool was up for the task. Has a ton of versatility as the kit is packed with many different sizes of tooling to fit any job. Worth the money
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Reviewed in the United States on July 22, 2024 by GK
Note: this kit has all the adapters from the 7868 kit so no use in looking at that kit unless you already have a good C-clamp. I used the 7897 kit to remove the front upper and lower ball joints on an 02 Acura RL. Initially, it looked like the lower ball joints were not going to be able to be R&R due to the adapters not fitting, but was able to find one out of the whole set to work while using my 20 ton press. This set may not be an end all and cover every application imaginable, but with some clever ingenuity it is possible to get the job done. I sure wish I had ordered this set prior to doing my front end rebuild on my 90 Chevy truck. This kit would have made that job a breeze. If you have mechanical experience and average skills or better and have a press, these forged steel adapters are what the doctor prescribes to remove the toughest of bushings and ball joints - plus many other jobs that require adapters on a press. I did my truck's rebuild with 2", 2.5" and 3" muffler pipes cut to size and looking back at the job it is laughable that I used those items to do what would have easily been handled with these pieces. My press has paid for itself many times over and really is an indispensable tool addition to my garage, however, this kit has many adapters and used correctly with the provided C-clamp or a press will make short work out of an otherwise tough job. The tools you can rent from some auto parts stores are abused more than journalists in the Middle East and I have almost injured myself using those stripped out tools - so if you turn wrenches a lot, save yourself from assured frustration and get this kit.
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Reviewed in the United States on April 7, 2015 by ZZ502SS Florida Guy
Love this tool, lots of adapters and heavy duty. Great price
Reviewed in the United States on April 30, 2026 by Bill Bista
I have yet to use this product for what it was designed for. What I have used it for is to push pins out of hydraulic cylinders that are on a John Deere 6420 tractor. It has been used to push out the pins on the three-point lift cylinders. I have had this tightened very tight and it has been wrapped on with a hammer on the end and it has held up well. There is a variety of cup sizes to fit just about any need. I have no doubt in my mind that it will work great to press out ball joints because it has worked great for something it was not designed for. Everything feels like quality and as long as you take care of the threads, I don't see any reason why this tool won't last a lifetime. I drenched everything in penetrating oil. Then I tightened the press with a crescent wrench until I couldn't tighten anymore. Then a wrap with the hammer on the item I am trying to press out and eventually a wrap on the end of the press where the wrench would go and even years of rust did not stand a chance. I would be cautious to use an impact because no matter how good of a tool you have, an impact can really screw it up if you are not careful. Definitely recommend this tool.
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Reviewed in the United States on August 11, 2020 by rockman
Used to remove and install ball joints for a Jeep Jl wrangler. Can confirm this set comes with an angled cup to use while installing the lower ball joint. The set feels beefy and well made.
Reviewed in the United States on May 17, 2026 by Amazon Customer