Radiator Specialty L112 11 Oz Liquid Wrench Penetrating Oil

Cake damaged and bottle leaking terrible smell

Used to remove exhaust header made job easier expensive but worth it

The Liquid Wrench Gunk Super Penetrant Spray is an excellent product that every garage, workshop, and toolbox should have. It works incredibly well for loosening rusted, corroded, and stuck nuts, bolts, hinges, and other metal parts that can be difficult to move. I was impressed by how quickly it penetrates and starts working. A small amount goes a long way, helping free stubborn hardware with minimal effort. It saved me a significant amount of time on repair and maintenance projects that would have otherwise been frustrating and time-consuming. The spray nozzle provides good coverage and allows for precise application in tight spaces. The formula reaches deep into threads and moving parts, helping reduce resistance and making disassembly much easier. It is especially useful for automotive repairs, equipment maintenance, and household projects. The 11 oz can offers plenty of product for multiple jobs, and the overall performance exceeded my expectations. Reliable, effective, and easy to use, this penetrant spray delivers excellent results when you need it most. I highly recommend the Liquid Wrench Gunk Super Penetrant Spray for anyone dealing with rusted or seized parts. It's a dependable product that earns a well-deserved 5-star rating!

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Works great

I saw Project Farm's penetrating oil comparison, figured I'd try Liquid Wrench despite having poor experiences with penetrating oil in the past, and wow this stuff is magic. I drive a 30 year old Jeep. It is very very rusty. I recently undertook a major suspension overhaul. Every single one of the 31 bolts I had to remove was a rusty mess, and I expected to break at least one. I applied Liquid Wrench 7 days in advance, 4 days in advance, and the day of the project. Every single one of the bolts came out easily and none of them broke. I've never had such a painless experience working on any car - like seriously, those horrendously rusted bolts were easier to remove than some rust-free bolts I've encountered on much newer cars. Liquid Wrench is going to be the first step any time I'm working on my car going forward.

This stuff works. I have a 2000 Jeep Grand Cherokee that I just bought recently. For most of its life, the Jeep lived in the cold, windy climate of Cleveland, Ohio, where lake-effect snows can wreak havoc on the metal components of any vehicle - especially after 13 years. Many of the engine's bolts are rusted and impossible to get loose. A generous lathering of this stuff does the trick on most pesky bolts. You have to use quite a bit of it and make sure it works its way into the nut. It's low viscosity allows it to penetrate into very tight-fitting areas. Depending on how bad the bolt is, let the liquid sit for a while - anywhere from a few minutes to a few hours. Then, have at it. It was able to loosen up every troubled bolt I had on my Jeep. My only complaint is that the red wand would not fit into the nozzle. I tried everything I could to get it to fit. I even grabbed another wand off another bottle, but COULD NOT get the wand in the nozzle. Not sure if I had a bad nozzle or if they're all like that, but it's pretty annoying. Other than that, this is a great buy and good to have around the garage.