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Astro Pneumatic Tool

Astro Pneumatic Tool 7897 21Pc Ball Joint Service Tool and Master Adapter Set

    • Based on 1,721 reviews
Condition: New
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Availability: In Stock.
Fulfilled by Amazon
Arrives Saturday, Nov 23
Order within 11 hours and 15 minutes
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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: ‎Astro Pneumatic Tool


Brand: ‎Astro Pneumatic Tool


Model: ‎Astro Pneumatic - Ball Joint Service Tool and Master Adapter Set (7897)


Item Weight: ‎30 pounds


Product Dimensions: ‎4.8 x 21.1 x 24.2 inches


Country of Origin: ‎China


Item model number: ‎7897


Is Discontinued By Manufacturer: ‎Yes


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: Saturday, Nov 23

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.

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Top Amazon Reviews

    • Worked great on my 2006 Chevy Trailblazer SS lower front ball joints!
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. ... show more
Reviewed in the United States on April 26, 2015 by Amazon Customer
    • Astro pneumatic for the win!
Review Image by Forrest Berger Forrest Berger
Review Image by Forrest Berger Forrest Berger
Review Image by Forrest Berger Forrest Berger
Review Image by Forrest Berger Forrest Berger
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 ... show more
Reviewed in the United States on December 13, 2023 by Forrest Berger Forrest Berger
    • Good quality
Love this set. I work in the field but don’t do ball joints everyday.
Reviewed in the United States on November 6, 2024 by clarissa
    • Needs modifications to fit 2017 chevy 3500hd
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 ... show more
Reviewed in the United States on July 22, 2024 by GK
    • Great sturdy ball joint press
This is perfect and it’s sturdy I order the deluxe kit because you wanna have everything you need when a ball joint job pops up the case could be better and I wish the adapters was numbered that way when the manual says you need #2 and #10 adapter to remove or install a ball joint you grab them parts quickly and you know you have the right adapters to get the job done . Astro makes a good quality tool that could be better just by changing the case and numbering the adapters ... show more
Reviewed in the United States on May 14, 2024 by corey kallmbah
    • Works great
Bought the full kit. Heavy duty, good quality. Been using for full front end rebuild on 2500 Chevy. It’s been up to the task.
Reviewed in the United States on September 3, 2024 by Amazon Customer
    • Great value
This appears to be the same kit as some other more expensive brands are marketing, and having held it side by side with one of those kits that cost twice as much this one was actually the nicer of the two.
Reviewed in the United States on September 13, 2024 by Will
    • Worked perfectly on my Yukon
Review Image by Amazon Customer Amazon Customer
Review Image by Amazon Customer Amazon Customer
Review Image by Amazon Customer Amazon Customer
Review Image by Amazon Customer Amazon Customer
I bought this to do lower ball joints on my 02 Yukon Xl. It worked flawlessly. My truck still had the factory ball joints. I used my breaker bar to get it going. Once the top of the ball joint popped down, I used my impact to push it the other 1/4 inch out. Re-installing was even easier with the Moog ball joints I used. It's a very beefy unit. Bigger than I thought it would be. It looks like a quality unit. ... show more
Reviewed in the United States on March 24, 2024 by Amazon Customer Amazon Customer

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