10278 Engine Oil Stop Leak - 1 Quart

Sticky stuff works great definitely recommend for minor leaks

This product has been negatively reviewed far too many times, and I felt compelled to write a review on it. I have used this product on 3 cars with oil leaks, and my family has used it on their cars as well. My family has had great success with minor oil leaks, and 2 of my 3 cars I have used this on resulted in their oil leaks ceasing completely. My other car turned out to be a decent sized crack in my oil pan gasket, which explains why throwing some Stop Leak at it didn't solve my issue. This product helps greatly to repair old, hardened seals, but it doesn't falsely advertise to bring about miraculous results in moderate to major issues. My point is, this product works extremely well for it's intended purposes, and I feel that all of the negative reviews should be taken with an grain of salt. It would be spectacular to hear, from the negative reviewers, what sort of issues ended up being diagnosed in the cars this product didn't help. I'm by no means trying to put down the negative reviewers, but it does get a bit frustrating reading reviews on Amazon like "Put it in my car, didn't work, still leaking, crap product" or "I contracted a flesh-eating bacteria, and this 'highly rated' Neosporin didn't work. Don't waste your time. 1 star. Booooooo!!!!" Lucas Stop Leak is a great product for it's intended purposes, has been used and trusted by amateur and professional mechanics for years, and fully deserves a solid 5 stars.

Good

I have a 2016 international prostar with a cummings engine ixs. It had a front engine seal leak. I added this at my last oil change. It took about two weeks and it stopped leaking oil. Yes I was surprised because I added only one gallon, not to mention that I really didn't think it would work. My leak was so bad it was oil was blowing on my right steer brake, this has save me some time.I have 960000 miles on my engine, trying to hold out until a rebuild .

good Product. works well

Good price, works great.

I have a car with 180k miles on the ODO. The valve cover was leaking but it was not a major problem so I thought this might be a quick fix. To lend some perspective, my leak was not bad enough to leave drops on the floor but one bank of cylinders (it is a V6) clearly showed oil leaking and I could smell it when I parked my garage. I use 5w30 weight Mobil-1 and my car is a 2004 Lexus ES330. I really did not want to remove the valve cover to replace the gasket so I thought this might work especially since there were so many favorable reviews. Be warned, this stuff is like "motor honey." It is very very thick. One bottle went into the crankcase and after 6000 miles I degreased the engine and checked the aluminum head; sadly there was no change and fresh oil is still seeping from the valve cover gasket. Basically, it did nothing for my leak. I worry about the effect of using such a thick compound in the crankcase so I probably won't buy it again. I might work for very small leaks but the lesson here is that there is no quick cheap fix for mechanical wear and tear. Given the high viscosity, I would not recommend it for modern cars that use light weight 0w20 or fuel saving motor oil.

I used this in my Honda with over 325,000 miles, and it’s been a good addition. It helped reduce minor oil seepage and gave me some peace of mind with an older engine. Easy to pour in and didn’t cause any issues. For high-mileage vehicles that are still running strong, this is a solid product to try.

Mix in juiste ratio

منتج فائق الجودة من الدرجة الأولى ☝️🌹

I had a very slight oil leak and this product solved the issue after a couple of days of driving. It's not a permanent solution but so far no more leaking. Not sure how this would perform on more serious leaks.

Sehr gut

I own an old car and this oil stopped my leaking. Amazing