Kroil Original Penetrating Oil (Aerosol Spray-13oz Can-Case of 4), Penetrant for Rusted Bolts, Metal, Hinges, Chains, Moving Parts, Rust, Corrosion Inhibitor (AZKS132C4)
Kroil Original Penetrating Oil (Aerosol Spray-13oz Can-Case of 4), Penetrant for Rusted Bolts, Metal, Hinges, Chains, Moving Parts, Rust, Corrosion Inhibitor (AZKS132C4)
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Kroil

Kroil Original Penetrating Oil (Aerosol Spray-13oz Can-Case of 4), Penetrant for Rusted Bolts, Metal, Hinges, Chains, Moving Parts, Rust, Corrosion Inhibitor (AZKS132C4)

5 stars out of 1075 reviews
(5.0)|
1,075 ratings
Kroil Original Penetrating Oil (Aerosol Spray-13oz Can-Case of 4), Penetrant for Rusted Bolts, Metal, Hinges, Chains, Moving Parts, Rust, Corrosion Inhibitor (AZKS132C4)Kroil 13 Oz Penetrant Original formerly known as AeroKroil Penetrating Oil Aerosol Multipurpose Penetrant 4 Pack KS132CKroil 13 Oz Penetrant Original formerly known as AeroKroil Penetrating Oil Aerosol Multipurpose Penetrant 6 Pack KS132CKroil Original Penetrant Aerosol 13oz Can Aerokroil FormulaKroil 13 Oz Penetrant Original formerly known as AeroKroil Penetrating Oil Aerosol Multipurpose Penetrant Case of 12 Cans KS132CKROIL Penetrating Oil Aerokroil 16 5 oz Aerosol Pack of 12 Industrial Grade Penetrating Solvent and LubricantKroil Original Penetrant Aerosol 16 5oz Can Aerokroil Formula
Size:13 Oz - 4 Pack-Out of stock

Key item features

  • Trusted Penetrant: Kroil Original Penetrating Oil is a trusted name among professionals for various industries, known for its strong reputation.
  • Deep Penetration: This penetrant effectively reaches tight spaces, small openings, threads, and crevices, making it suitable for seized bolts, chains, and hinges.
  • Simplifies Repairs: Kroil loosens tough rusted parts quickly, reducing the torque needed to free seized nuts and bolts, thereby simplifying repair tasks.
  • Corrosion Combatant: It actively removes and prevents rust, cleans carbon deposits, and penetrates rusty components, while also displacing moisture, humidity, and saltwater.
  • American Made: Kroil brand and Kano Laboratories, founded in 1939, produce this penetrant in the USA, employing American workers.
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Current price is $114.00$28.50/count
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5 out of 5 stars
stars1,075 ratings1,066 reviews
How item rating is calculated
  1. 5 stars98% (1,058)
  2. 4 stars1% (11)
  3. 3 stars0% (0)
  4. 2 stars0% (0)
  5. 1 star1% (6)

Reviews summary

Pros
  • : Has a non-objectionable scent.
  • : Works well for loosening rusted parts.
  • : Quickly loosens rusted and seized metal fasteners.
  • : Enables quick equipment and machinery repair.
  • : Trusted by professionals in various industries.
  • : Penetrates and breaks down stuck parts.
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Showing 1-3 of 1,066 reviews

Jun 22, 2025
Talmadge
Sold byElectronic Inventory Online, Inc.Delivered byWalmart
5 out of 5 stars review

Verified Purchase

Great product. Needed it to break loose seized brake lines. This was the only thing that worked.

Helpful?3ZRQM175JTY01352292195
Nov 20, 2025
Zeke
5 out of 5 stars review

Works Amazing

I bought an old motorcycle that wasn't running for years. All the bolts were rusted in place on the engine,frame,etc. This bike was sitting under a tarp outside for 10 years when I found it,I, thought there was no hope getting anything apart.. With just one spray on each bolt ,they all came loose !!! Absolutely amazing product, I recommend this product to everyone I talk to about old projects.

Review from kroil
Helpful?3ZRQM175JTY01352292195
Apr 15, 2020
Dale
5 out of 5 stars review

Verified Purchase

Expensive but it works great, doesn't take much!

I used PB Blaster for two decades and then I found this through a friend and it works a lot better. I had a pair of pliers that were froze up and wouldn't budge even though I sprayed them with PB Blaster about 4 times, nothing! Well a friend had some Aero-Kroil and told me to try it, I sprayed them once and let them sit about 30 minutes and sprayed them again, with-in an hour the pliers were freed up but still a bit stiff, I used it two more times and now they work like new! I can't believe how great this stuff works, it's unbelievable. And a real bonus is it doesn't smell horrible like all those other penetrating oils do.

Helpful?3ZRQM175JTY01352292195