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Zoom 16.5 oz.
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KROIL Penetrating Oil, aerosol (formerly KanoLab Aerokroil)

SKU: KS162

9 reviews
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Best Penetrating Oil Used by the Pros

When it comes to freeing corroded items in tough spaces nothing rivals powerful, industry-proven, Kroil penetrating oil. Used and trusted by pros and experienced DIYers alike since 1939, Kroil quickly loosens rusted nuts and bolts, frees frozen shafts, and pulleys. No space is too tight to reach thanks to Kroil’s ability to penetrate the smallest opening, thread or crevice. Corrosion meets its match, as Kroil removes and prevents rust, cleans and lubricates, and displaces moisture.

Note: We can only ship Kroil to US addresses.

Not for use with the Grease Buster®  

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KROIL Penetrating Oil, aerosol (formerly KanoLab Aerokroil)


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Kroil review

Kroil reviewsNot for use with the Grease Buster®

Customer Reviews
4.6 Based on 9 Reviews
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Filter Reviews:
  • Kroil
  • truck
  • rust
  • "
  • project
  • times
  • 1998
  • exhaust flange nuts
  • lunch
  • heat
David S.
United States United States


Great stuff I was fighting with a rusty tailgate that just wouldn't come off. Then I sprayed on the kroil and within 2 hours the tailgate came off. I also used it on some bolts on a truck that I am repairing and it has worked great.

Janice SVG verified by SHOP
United States United States

The product worked very well! I would recommend this Kroil products to anyone that needs help with a frozen or rusty pipes or anything that needs to be loosened.

Charles T.
United States United States

Kroil products do have a short fall

We have used and absolutely love all the products offered by KANO LABS, the makers of Kroil oil. I 100% agree they are THE BEST product out there of this type. We had a constant issue with AEROKROIL not having sufficient propellant in the can to enable getting all the product out of the can. I contacted their customer service about the problem and got no answer except a run around. The were absolutely unwilling to do anything to remedy the issue. We have tossed I don't know how many cans that still had approximately 1/3 of the product in the can with no propellant left so all the product could be used. It made us think this was intentional in order to press quicker resale, although we have no proof of that. This went on with no change, after going through several cases of the product, I gave up. We finally stopped buying it, as we were wasting $$$ by being forced to toss cans that still had product we couldn't use. It simply was no longer cost effective to buy it, aside from the fact that it's a great product.

United States United States

- Kroil

- Kroil... "creeps into cracks of a millionth of an inch"

Tom T.
United States United States

Good Stuff!

I sprayed Kroil on a rusted nut, let it set a few minutes, and the nut backed itself off