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Kano Aerokroil Penetrating Oil, 10 oz. aerosol (AEROKROIL)

4.8 out of 5 stars 303 customer reviews
| 9 answered questions

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  • Oil and solvents dissolve rust
  • Dissolves grease.
  • Long lasting lubrication
  • An industry proven penetrating oil that has no equal.
  • Quickly loosens rusted nuts and bolts - frees frozen shafts, pulleys, etc.
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$12.52 + $5.49 shipping In Stock. Ships from and sold by Patriot Supply.

Frequently Bought Together

  • Kano Aerokroil Penetrating Oil, 10 oz. aerosol (AEROKROIL)
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  • Kano Kroil Penetrating Oil, 8 oz. liquid (KROIL)
Total price: $26.51
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Product Information

Technical Details

Brand Kano
Item Weight 1.2 pounds
Product Dimensions 4 x 4 x 8 inches
Item model number 10oz
Manufacturer Part Number AEROKROIL
National Stock Number 9150-00-905-1387

Additional Information

ASIN B000F09CEA
Customer Reviews
4.8 out of 5 stars 303 customer reviews

4.8 out of 5 stars
Best Sellers Rank #2,771 in Automotive (See top 100)
#16 in Automotive > Oils & Fluids > Greases & Lubricants > Lubricants
Shipping Weight 1.2 pounds (View shipping rates and policies)
Date First Available July 7, 2004

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Product Description

The Oil That Creeps and Loosens Frozen Metal Parts.

A scientific principle reduces the surface tension so that this amazing solvent creeps into openings as small as one millionth of an inch. Aerokroil is the aerosol version of Kroil that loosens frozen metal joints in minutes. Dissolves gum, dried grease, and oil -- without attacking the metal. Displaces water, provides lubrication and prevents rust.

Customer Questions & Answers

Customer Reviews

Top Customer Reviews

I have been using kroil at my work (a power plant) for over a year now. This stuff is amazing. At my work, we often have to remove 2" plus bolts that have been rusting in place for the past 30-60 years. Kroil is one of the few things that actually helps. If we still can't get those bolts off with kroil, we usually have to heat the holes up till red hot to get them out. And if that doesn't work, they get cut off. There really is no comparison with kroil and other oils. Kroil leaves no residue that will end up gumming up after a few months like WD-40 does. I started using kroil for household uses, and it does great for tools, windows, and sewing machines as well. Basically, if you have anything mechanical, a can of kroil is one of the best investments you can buy to keep them running optimally. 3-in-1 oil on crack... that's kroil.
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What are called penetrating oils are used to free up metal parts that are supposed to come apart, but don't, likely because of corrosion and the passage of many years. The standard "penetrating oils" are WD-40 and PB-5. They have worked pretty well for me.

Until I hit the bracket holding a spare tire under a 1984 RV. I used lots of PB-5, and eventually a 3/4 impact wrench. Simply said nothing was working at all. I started to plan cutting the thing out and welding up some sort of replacement. A diesel mechanic friend asked if I had used Kroil. They used it working on large buses, and she mentioned that some airline mechanics swore by the stuff.

I used it, waited a few minutes and gave the bolt another shot. After a minute with the impact wrench the nut began to move slowly! Slowly the movement picked up. The nut actually came leaving the threaded rod pretty clean. Kroil is worth every penny when you have the tough ones to deal with.

NOTE - I don't own any stock nor received any samples. This stuff really works.
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If you have a 2004-2007 Ford F-150 or Expedition you know that changing plugs can be expensive!! If you buy this and spray some around the plugs the day before(24hrs),they will come out like a light bulb!!! Throw away the WD 40 and trash the PB Blaster...this is all you'll ever need from now on!!
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I've been working on my own cars for over 20 years and have used most of the penetrating oils on the market including the so called "freeze-off" products and nothing I've tried works as fast as this. If you leave it on for periods of longer than an hour there's almost nothing this stuff can't get loose. Simply amazing! It's WAY too expensive to be used as a general spray lubricant so I'd recommend it for loosening purposes only.
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I am speechless. Almost. I sprayed this on to 202 YEAR OLD slotted iron screws that were screwed into iron and had never been removed. I waited a few minutes like the instructions say and tried to unscrew them. They wouldn't budge. Okay, I'd been had again - nothing new there. A couple days later I came back to the part and decided to give it another try. With no additional spraying, all five screws under a little steady hand screwdriver pressure gave a healthy "pop" and backed out like they were installed with a torque driver yesterday! This stuff is worth every penny and then some. The only problem is that you may find yourself going around disassembling things that don't need to be disassembled - just because you can!
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I needed to remove the spark plugs from one of my motors. I had heard and read where several other people with the same motor as I have had trouble removing their spark plugs. The spark plugs would break off leaving a part of the plug in the head of the motor. This in turn meant the head had to be removed and taken to a machine shop for a major fix. I let this penetrating oil soak in and around the threads of my spark plugs for a period of time and was able to remove all 8 of them with no problems. Use Kano Aerokroil penetrating oil for those really tuff jobs.
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This and its twin SiliKroil I use interchangeably to loosen up stuck parts. I've never seen anything work so well, so quickly. I can usually just spray and and wait a minute before whatever was stuck gets unstuck. For the really stuck things, using a torch makes it work faster! This is an amazing product!

No wonder I can't buy it in stores!
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I cannot believe how great this stuff works. I've tried them all, PB, LiquidWrench, WD-40, all of them pale in comparison. When they claim it's the oil that creeps believe it. I recently acquired a 28 year old car that was stored in a moist area and was used on roads that were salted. I broke a bolt off flush to the intake manifold and had to get the easy outs on it. After I drilled into what remained of that bolt, I was struggling to get it out so I grabbed this, hit it once with a little spritz, started tapping on the tap with the easy out and it backed it right out. I had a frozen rear brake adjuster, same deal, spritz, whacked it a few times and it freed up. I looked inside and saw it had crept all the way down to the bottom of that adjuster. It is a miracle in a can. If you can't get something loose with this stuff, you will probably have to get the torches and start melting metal. I did have an injector line get stuck on an injector (Diesel) and I couldn't get it to come loose with this stuff, the only time it didn't work, however, I could tell the line had been overtightened. Had to cut that one off. Out of 8 injectors though, considering the condition of the car, I didn't do too badly.
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