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🔩 Master shock nuts like a pro—because your ride deserves precision.
The Lisle 20400 Universal Shock Absorber Tool is a compact, dual-ended hex socket wrench designed specifically for removing and installing shock nuts on many older domestic vehicles and select Ford OEM models. Featuring two precise socket sizes (9/16" and .591"), it enables quick, secure grip and effortless turning. Lightweight yet durable with a corrosion-resistant gemalt finish, this tool is a trusted choice for mechanics and DIY enthusiasts alike, backed by a limited lifetime warranty.
| Asin | B000CO88C6 |
| Best Sellers Rank | #39,145 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #6 in Mechanical Shock Absorbers |
| Bit Compatibilities | .591, 9/16 |
| Bit Set Composition | Single Bit |
| Brand Name | Lisle |
| Customer Reviews | 4.3 4.3 out of 5 stars (722) 4.3 out of 5 stars |
| Drive Bit Application | automotive |
| Drive Bit Shank Style | dual |
| Drive System | Hex |
| Finish Types | Gemalt |
| Global Trade Identification Number | 00083045204008 |
| Included Components | Manufactuered Brand Product |
| Item Length | 1.15 inches |
| Item Type Name | Tools |
| Item Weight | 8.96 ounces |
| Manufacturer | Lisle |
| Manufacturer Part Number | 20400 |
| Manufacturer Warranty Description | Limited Lifetime |
| Material Type | manmade |
| Model Number | 20400 |
| Number Of Items | 1 |
| Number Of Pieces | 1 |
| Unit Count | 1 Count |
| Upc | 083045204008 |
User
Very good High-Quality Tool
Very good, high-quality tool. Worked perfectly for my shock replacement work.
User
Can't go wrong with Lisle, Grips like a Crocodile
What a timesaver. This tool makes quick work out of swapping shock absorbers, EASY to remove and reinstall. Cost is worth 30 to 45 minutes of my time while being rained on by road debris as I am figuring out new words of frustration with improper hand tools that are destroying fasteners. Make life easier on yourself, this just works and works quick. Let the tool be a tool and don't be a tool of cheapness; this is a gift to yourself!
User
Amazing Tool! Simplicity at it's Best
For every do-it-yourself type personality out there, this is a must have tool. You may only use it once in a lifetime. But for the minimal cost, it is worth every penny. In fact this little tool will pay for itself once you remove the first shock absorber. If anyone reading this has never removed a front shock absorber, it can be a nightmare.The shock stem, which has a shaft that slides within the shock body, has a threaded top and supported by rubber bushing and a top nut. When you attempt to loosen the top nut, the stem will spin inside the shock body. This makes it virtually impossible to remove the top nut. Most backyard mechanics resort to cutting the stem, nut splitters or using some muscle and breaking the shock shaft. In most cases using one of the above mentioned procedures results in loss time, knuckle busters and frighteningly abrupt language.How this tool works is the larger hex key will fit over most OEM shock absorber nuts. There is a different fitment on each end of the hex key for different size nuts (9/16 or 15mm). On the top of each shock absorber shaft, above the threaded portion, there is a oblong shaped nib. The smaller hex keys provided have various size fitments for the top of the stems. The smaller hex key will slide down inside of the other larger nut hex key and you can hold the stem in place with either a wrench or a small socket ratchet. Then, using an open end wrench turn the larger hex key that is over the stem nut. In a perfect situation, using this tool. I can change out a shock in about 5 minutes!Please note that I have found the hex key for the nut may not fit the nuts on aftermarket shocks. There are two solutions for this. The first is the easiest. Just get a new nut of the same thread pattern that will fit the tool. The second is more work involved, but if you plan on changing out shocks more than a few times, or are just the type that is a tool junkie, you could get an inexpensive socket set containing larger sizes. Put them in a vice and grab your angle grinder and grind some flat sides on the end of each socket. You can then grab it with a wrench. I don't particularly recommend this, as it's just easier to find a new nut. At any rate, I think you will find this tool a pretty useful time saver worth the price.
User
Makes removal of shocks much easier.
This simple tool is a lifesaver. Made the changing of the shocks on my 88 Silverado MUCH easier.
User
Not Universal as stated
This "universal" tool is stated to fit all shocks except some late model Fords. However, it DID NOT fit the OEM shocks on my 2014 Jeep Grand Cherokee Laredo. It fit neither the shock rod or the shock rod retaining nut (it is supposed to hold both) as it was too small for either. Overall, this "Universal" tool was worthless to me.
User
works wonderful
excellent 👌
User
Great product
Made removing shock absorbers so much easier, only issue is that it came slightly rusted, may have been sitting for a while and caught moisture. Overall a great product
User
Turns a two hour job into about 20 minutes
I wish I would have found this tool a long time ago. It no kidding turned a tough job into a breeze. If you are doing shocks that have the shock rod bolt arrangement, this tool will save you a ton of time.
User
Genial
Muy buena herramienta para quitar amortiguadores, me ahorroicho tiempo de trabajo
User
Lisle 20400 Universal Shock Absorber Tool
Lisle 20400 Universal Shock Absorber Tool I got this put to the test see really work yes it does work socket did not fit over the nuts so I pop the top bit on hold it spanner and used ratchet spanner for the rest and brought the nuts off so much easier and quicker recommend to others
User
Pricey but good
Good quality , did the job just fine but overpriced
User
Makes installing simple.
Works great! A must for installing front shocks when it is hard to get at.
User
Utilissimo
Finalmente posso montare gli ammortizzatori con facilità e chiudere il dado alla coppia prescritta. Attrezzo indispensabile
Trustpilot
2 weeks ago
2 weeks ago