Top 9 Best Engine Additive Oil Stop Leaks (2020 reviews)

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There are plenty of options available while buying daily usage oil stop leak in the market right now, and if you’re confused regarding which one to go for, you have come to the right page.

We looked at several aspects when choosing the best oil stop leaks, from objective measures such as physical dimensions and design to subjective considerations of look and feel. Though we have a variety of recommendations across various styles, all of our picks satisfy criteria that suit most people, thereby reducing the headache of choice. For yet another perspective, we also asked friends with different backgrounds to tell us what they thought about the finalists.

Note: It doesn’t mean that the oil stop leaks that aren’t mentioned here are bad. We picked these because these will help most of the people. If you have very specific preferences, we suggest you consider one of the below-mentioned products as a starting point before finalizing your pick.

Lucas offers a variety of oil stop leak for personal choice and yet maintaining quality in all the variants. The Lucas Engine Additive Oil Stop Leak is a non-solvent formula that stops slip, hesitation and rough shifting in worn transmissions and completely eliminates most seal leaks. Make sure this fits by entering your model number. Moreover, the oil stop leak can be added to existing fluid without draining any out. Most importantly, the lucas engine additive oil stop leak is ideal for use also in light duty manual transmissions to increase shifting ease and transmission life.


In This Article:


Top 5 Best Engine Additive Oil Stop Leaks

#BrandRating
1Lucas Engine Additive Oil Stop Leak – Best Overall 4.6
2Lucas Oil Oil Leak – Best Runner Up 4.4
3Lucas Oil Engine Additive Oil Stop Leak – Best Premium 5.0
4Atp Engine Additive Oil Stop Leak4.4
5Hapco Products Engine Additive Oil Stop Leak4.0


1. Lucas Engine Additive Oil Stop Leak – Best Pick

The Lucas Engine Additive Oil Stop Leak is the best feature-filled oil stop leak on the market today. The lucas engine additive oil stop leak’s material feels more premium than its price would suggest. To sum up, with 4.6 rating and more than 13856 buyers, the lucas engine additiveoil stop leak stands as the best choice.

Almost all customers opine that the oil stop leak come in a quart can. Also, they also found that the oil stop leak has been this way for 40, 000 miles. And, they say that the oil stop leak is lurching when shifting gears. Also, this stuff really is a fix.

Top Customer Quotes:

  • Can’t wait to see the difference
  • Can be added to existing fluid without draining any out
  • This is a twenty year old car

2. Lucas Oil Oil Leak – Best Runner Up

The Lucas Oil Oil Leak‘s material feels more premium than its price would suggest. Also, this is compatible with petroleum, semi-synthetic and full synthetic motor oils. Reduces engine noise and oil consumption, while raising oil pressure. Above all, the lucas oil oil leak is designed to stop seal leaks in engines.

Almost all customers quickly discovered that the oil stop leak is helpful please check the button. And, a few say that the oil stop leak is 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. Also, they strongly agree that the oil stop leak is a bandaid to a problem, but at almost 200k miles, i’m ok with that. Also, this stuff is thick so let it drool in.

Top Customer Quotes:

  • Finally used it all up, a few months later
  • Renews worn seals with no risk of damage or eventual corrosion
  • This works reasonably well additionally it is used to talk about stp

3. Lucas Oil Engine Additive Oil Stop Leak – Best Premium

The features department is where Lucas Oil Engine Additive Oil Stop Leak truly manages to shine. Moreover, this is designed to stop seal leaks in engines. Lucas engine oil stop leak 32oz (12 unit case). Above all, the lucas oil engineadditive oilstop leak is compatible with petroleum, semi-synthetic and full synthetic motor oils.

Overall, at the price, they believe that they got a steal of a deal with it.

Why We Like This:

  • Package dimensions: 36.322 l x 31.75 h x 26.924 w (centimeters)
  • Renews worn seals with no risk of damage or eventual corrosion
  • One of the new comers and featured product

4. Atp Engine Additive Oil Stop Leak

The Atp Engine Additive Oil Stop Leak is capable of outshining several other oil stop leak featured in this list in overall features for the price point. In addition, this is a fast, effective and safe stop-leak for all rubber seals and gaskets. Make sure this fits by entering your model number. Lastly, the atp engine additiveoil stopleak is compatible with conventional and synthetic oils, atf, gear oil, power steering fluids and hydraulic oil does not contain petroleum distillates, will not over-swell or breakdown seals.

Most customers agree that the oil stop leak is just typical to good to be true. Further, they say that the oil stop leak can be used on an old 98 toyota rav4 that has had a small leaky valve for years causing a pretty embarrassing puff of smoke upon morning start ups after sitting overnight. Also, they say that the oil stop leak is the valve cover gasket. Further, the engine had an oil leak that looked like a waterfall until the engine warmed up. Therefore, customers were eager to recommend it to friends and would-be buyers.

Top Customer Quotes:

  • This stuff really does work
  • 8Oz bottle will treat a 6 quart capacity, adjust accordingly
  • These are starting to show early signs of main seal leaks
  • Professional strength fast acting resealer, stops leaks fast

5. Hapco Products Engine Additive Oil Stop Leak

Not everyone likes to purchase oil stop leak for their regular usage, but the Hapco Products Engine Additive Oil Stop Leak would be an anomoly. The hapco products engineadditive oil stop leak can also be added at any time as a seal conditioner to help prevent future leaks. Make sure this fits by entering your model number. In addition, the oil stop leak does not contain petroleum distillates, which can harm or destroy seals, and is 100% non-clogging.

Above all, the hapco products engine additive oilstop leak is compatible with all conventional and synthetic oils / fluids.

“If you see oil puddles on your driveway then you definably need hapco. ” – says, one customer. Obviously, this oil stopleak passed the test and had very satisfied buyers eager to share their experience.

Top Customer Quotes:

  • Easy-to-use treatment quickly restores the flexibility, elasticity and tensile strength of all rubber seals
  • 5 ⭐ after driving 50 miles
  • Rebuilt engine leaking from front and rear crankshaft seals
  • Positively stops oil / fluid leaks – guaranteed or your money back!

Other Engine Additive Oil Stop Leaks We Reviewed

We looked at 4 other Engine Additive Oil Stop Leaks. Even though they didn’t make our 5 best Engine Additive Oil Stop Leaks list, they’re the best of the best and each is still a great option. The information you’ll need to compare each one is included with the listing.

Products You May Be Interested In

Silverhook Engine Additive Oil Stop Leak

Silverhook Engine Additive Oil Stop Leak

“Make sure this fits by entering your model number. ” – says, one customer.

Top Customer Quotes:

  • Sembrato molto efficiente a dei buoni risultati… consumo meno olio ! !
  • Hacen falta dos botes para un coche
  • Good brand reputation

Cost: $16.87

Bars Leaks Engine Additive Oil Stop Leak

Bars Leaks Engine Additive Oil Stop Leak

Almost all buyers agree that the oil stop leak is great in stopping oil leaks around gaskets on small engines. A few say that the oil stop leak works with all gasoline and diesel engines using conventional, high mileage and synthetic engine oil.

Top Customer Quotes:

  • After time, engine oil seals tend to dry out and shrink
  • You no longer have to fear that puddle gathering in your garage or driveway
  • Manufacturer says: you’ll see that our passion shines through in everything we do

Cost: $10.99

Bg Engine Additive Oil Stop Leak

Bg Engine Additive Oil Stop Leak

Most buyers agree that the oil stop leak can be used in a ‘95 tahoe. A few strongly agree that the oil stop leak works well, have used this product multiple times on different cars.

Top Customer Quotes:

  • This can be used in a ‘95 tahoe
  • This works well, have used this product multiple times on different cars
  • Bg atc plus packs a punch for automatic transmission fluid!

Cost: $17.95

Rislone Engine Additive Oil Stop Leak

Rislone Engine Additive Oil Stop Leak

Almost all buyers opine that the oil stop leak is great product for repair or general maintainence. They strongly agree that the oil stop leak will eat the cost of removing and repairing or replacing a modern automatic transmission is extremely high and can take a lot of time.

Top Customer Quotes:

  • This stuff is great, slipping stopped immediately
  • Smoother shifting all round, less clunking, quicker shifting from cold starts and less sticking
  • Seal worked and still is holding

Cost: $8.04