Astro Tools 78825 XL Grade 8 Drive Bolt 25-Piece Master Front Wheel Drive Bearing Puller Removal & Installer Adapter Kit
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Availability:
In Stock.
Arrives
Tuesday, Nov 11
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Features
- Includes Heavy Duty 7/8" Grade 8 Drive Bolt For Twice The Durability Of The Industry Standard
- Replace Wheel Bearings Without The Need For Alignment After By Keeping The Strut Assembly And Steering Knuckle In Place During Service
- Master set for a wide range of makes and models, guide in manual provides information for 1,100+ applications
- Black phosphate coating for a more durable finish, apply grease on drive bolt threads before use to avoid damage
Description
Astro pneumatics' 78825 master front wheel drive bearing adapter kit includes a heavy duty grade 8 drive bolt, making this the most durable kit of its kind. Replace wheel bearings without the need for alignment after by keeping the strut assembly and steering knuckle in place during service.
Brand: Astro Pneumatic Tool
Material: Metal
Item dimensions L x W x H: 16.4 x 4.9 x 19.5 inches
Bore Diameter: 8 Millimeters
Item Weight: 24 Pounds
Brand: Astro Pneumatic Tool
Material: Metal
Item dimensions L x W x H: 16.4 x 4.9 x 19.5 inches
Bore Diameter: 8 Millimeters
Item Weight: 24 Pounds
Bearing Number: 78825
Bearing Type: Adapter Kit
Compatible Lubricant: standard bearing grease
Outside Diameter: 2.18 Inches
UPC: 745227024490
Global Trade Identification Number: 90
Manufacturer: Astro Pneumatic Tool
Model: 78825
Item Weight: 24 pounds
Product Dimensions: 16.4 x 4.9 x 19.5 inches
Item model number: 78825
Is Discontinued By Manufacturer: No
Manufacturer Part Number: 78825
Mirror Lighting Type: LED
Date First Available: February 16, 2017
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Tuesday, Nov 11
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
Awesome wheel bearing & hub remover/installer set! Works great!
Reviewed in the United States on May 6, 2025 by Bob Bob
First I'd like to preference by saying that press-in wheel bearings are not a job for a novice. It can be a little more tricky than you think. Watch a few YouTube videos and make sure you're up to the job before you pull the pin on this kit. As far as the kit goes, it will pay for itself in the first use. The value here is shockingly good. The parts, forcing screw and case are all of better quality than you'd expect. I never used the forcing screw, but it's a 7/8 grade 8 bolt. If you can break that you need calm down a little. I used the plates and tubes in my press and they worked great. I've only got a 12 ton press but they held up fine. Edit: I've used this set about a dozen times now. If the bearing comes out the front of the knuckle, this set is worth it's weight in gold. It cuts the time to do the job in HALF if you can leave the knuckle in the car. If the bearing comes out the back, it's still very useful but it's easier to take the knuckle off the car. Make sure to grease the bolt and this set would last for years even in a professional shop. This is easily the best value I've found in an off brand tool. Edit: I've been using this kit pretty regularly for a couple years now. It's paid for itself many many times over. The value here is insane. It's made me a lot of money and has held up as well as what I would expect from tool truck brands. Just grease everything up and use your head and this has the potential to last a very long time. Edit: over three years with this tool and dozens of press in bearings. It works just as good as the day I bought it. I would pay 3x the cost of this from a tool truck and still not think twice. Excellent awesome product. I still haven't found a car with press in bearings that this won't work on
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Reviewed in the United States on January 5, 2020 by Erick K
Needed to get a front wheel bearing on my car done, I figure the other won't be far behind so getting the tool made sense. The local parts places do have a loaner but this kit has more options and a stronger bolt then the other store's which would have required 250 deposit just to start with. This one helped me do the job in no time at all. When looking at videos on how to use these kinds of kits most required a 27mm socket for the bolt, this one required a 32mm and it is a big solid bolt. I made sure to grease the threads and added a bit of grease between the two washers so they would spin against each other easier. Finding a plate that fit wasn't any trouble with the wide variety they offer. The only negative I ran into was that the box this came in was seriously mishandled and the pin that holds it to the case broke off. I contacted Astro and not only did they get back to me within a couple hours but they're sending a new clip that has been updated with a metal pin. So the minor negative of the shipping, which they can't control, has been completely offset with great customer service and the awareness the company even cares enough to update even the cases when there's an obvious problem. Also don't be surprised when the post office kicks the box around, this thing is incredibly heavy as it is made from some really stout materials. Only thing that really surprises with this kit is that the HF is 25.00 more when it is on sale and it isn't as good a set.
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Reviewed in the United States on March 29, 2019 by derosa derosa
Works well for replacing wheel bearings and hubs. Probably not the best option for professional (very frequent) use, but certainly a functional set and the right choice for me (occasional use). Don't be one of the guys on the internet installing wheel bearings with a BFH like a caveman. Spend $80 and save yourself a lot of trouble.
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Reviewed in the United States on August 2, 2020 by Beanz
Super durable, strong build quality, easy to use and understand kit. Heavy duty, all the right size adapters that I needed. Made for ease of removal for my bmw wheel bearings
Reviewed in the United States on December 19, 2024 by Eddiesin
works as advertised. very sturdy. Just make sure you go slow and keep everything perfectly aligned if using impact wrench. Its easy to get off alignment --- and you don't want that when pressing new bearings.
Reviewed in the United States on October 28, 2024 by TroyG
If you are going to attempt to replace pressed in bearings on the front wheel hubs of many cars, you will need a tool like this. I suppose I could have found a shop with a hydraulic press and paid them to remove my old bearings and then press in the new ones. However, I like to do things myself. So, I opted to buy this set. I did a lot of research and this was the only one I found that had a 7/8" high strength drive bolt. The other sets I saw all had 3/4" drive bolts. Have just completed my front bearing replacement job using this tool, I can assure you that it pays to use this particular tool. The drive bolt can really take a beating, but this drive bolt stood up to the test. I saw YouTube videos of people using a similar type set, but with a 3/4" standard drive bolt. It was sad to see the bolts break of the bolt heads pop off. This is quality product at a reasonable price. If you are going to take on the front bearing project (with pressed in bearings), then this is the tool you should get. You should also get a good slide hammer as well. The slide hammer is needed to remove the wheel hob from the bearing. One more thing, the head of the drive bolt is 1.25". You'll need a good 1.25" 6-point socket. I used such a socket and a pneumatic impact driver gun. I would recommend doing the same.
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Reviewed in the United States on July 5, 2017 by Value Guy