Aug 21, 2020

Best Engine Treatments Review & Buyer’s Guide 2021

engine treatments are one of those things that seem like they’re probably all the same. To help you choose the best engine treatments, we’ve put together this comprehensive guide for engine treatments. It’s not going to consider absolutely every possible material combination or bonding factor, but we will try and cover as much as possible.

In a Hurry !! and want a quick review here is our editors pick

Editor’s Pick

Bars Leaks Treatment Formulated High Mileage

Top 10 engine treatments

IMAGE PRODUCT Rating

4.4 out of 5 stars, 123 customer reviews Check Best Price

4.7 out of 5 stars, 133 customer reviews Check Best Price

4.5 out of 5 stars, 836 customer reviews Check Best Price

4.8 out of 5 stars, 146 customer reviews Check Best Price

4.8 out of 5 stars, 357 customer reviews Check Best Price

4.6 out of 5 stars, 95 customer reviews Check Best Price

4.7 out of 5 stars, 83 customer reviews Check Best Price

4.5 out of 5 stars, 562 customer reviews Check Best Price

4.4 out of 5 stars, 168 customer reviews Check Best Price

4.8 out of 5 stars, 918 customer reviews Check Best Price

Best engine treatments

1. Bars Leaks Treatment Formulated High Mileage

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Bars Leaks Treatment Formulated High Mileage
  • Make sure this fits
    by entering your model number.
  • Reduces friction and wear
  • Quiets noisy lifters and valves
  • Removes and prevents sludge
  • Add to engine oil anytime
  • Will not void manufacturer’s new vehicle

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2. Slick 50 750002 Recharged Treatment

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Slick 50 750002 Recharged Treatment
  • Make sure this fits
    by entering your model number.
  • High Mileage solution to protect against power robbing friction heat and wear
  • Restores performance in engines due to wear and oil consumption in older engines
  • Revitalizes seals to help stop oil leaks and prevent them from ever occuring
  • Powerful detergents to remove and prevent oil sludge, use during your next oil change or between changes to replace lost additive content
  • Powerful detergents to remove and prevent oil sludge, use during your next oil change or between changes to replace lost additive content
  • This product is dispensed in 10W-30 which is a multi-grade oil but is fully compatible with all multi grade motor oils and mono grade oils. It is fully compatible with all conventional, semi-synthetic and full synthetic oil types.

3. Liqui Moly 2009 Anti Friction Treatment

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Liqui Moly 2009 Anti Friction Treatment
  • Make sure this fits
    by entering your model number.
  • Motor oil additive – Liqui Moly MoS2 anti-friction (300 ml. Can)
  • Forms High load-bearing film of lubricant on all friction surfaces
  • You will be surprised at how much better your engine sounds and how controlled it will be even at very high RPM

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4. Dura Lube HL DLOS 06 Treatment 32 Ounce

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Dura Lube HL DLOS 06 Treatment 32 Ounce
  • Make sure this fits
    by entering your model number.
  • Dura Lube Engine Treatment immediately helps your engine run cooler and quieter by reducing heat and friction a major cause of engine sludge
  • Dura Lube offers four times more wear protection than your lubricants alone and contains no solid particles like PTFE, lead, molybdenum, or graphite
  • For gas and diesel engines, compatible with synthetic and non-synthetic oils. Replace one quart of motor oil with Dura Lube Advanced Engine Treatment at every oil change
  • Use on higher mileage vehicles or add the additional protection on newer engines, Dura Lube helps all engines last longer, run quieter and optimize fuel economy.
  • Out performs oil treatment products because it treats the metal not the oil!

5. Prolong Super Lubricants PSL11000 Treatment

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Prolong Super Lubricants PSL11000 Treatment
  • Make sure this fits
    by entering your model number.
  • Includes a Formula with Anti-Friction Metal Treatment Technology
  • Features Engineering Designed to Treat Metal Surfaces of Both Gasoline and Diesel Fueled Engines
  • Offers Molecules that Interact with Metal Surfaces and Chemically Bond to Create a Protective Layer that Reduces Damaging Friction and Heat
  • Offers to Protect the Engine Even when the Motor Oil is Not Yet Fully Circulating
  • Features a Formula Containing No Solid Particles Such as PTFE Resins, ‘Molys’, Zinc, Copper, or Graphite

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6. Bars Products Rislone 100QR Treatment

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Bars Products Rislone 100QR Treatment
  • Make sure this fits
    by entering your model number.
  • Frees valves and lifters
  • Reduces friction and wear
  • Maintains oil viscosity
  • Cleans and conditions engines
  • Dissolves and removes harmful deposits

7. BestLine Superior Lubricants Engine Treatment

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BestLine Superior Lubricants Engine Treatment
  • Make sure this fits
    by entering your model number.
  • LONG LASTING ENGINE: BestLine HP uses its revolutionary formula to provide your vehicle with maximum engine life protection, proven to increase the life of your engine by 80%!
  • VISIBLE BENEFITS: This engine treatment reduces smoke and engine noise, and improves overall power and mileage. It also reduces friction and heat, two major causes of engine wear and sludge build up.
  • 100% PURE SYNTHETIC: BestLine’s superior lubricant has been formulated with a 20 weight full-synthetic base oil, designed specifically for longer drain intervals.
  • UNIVERSALLY COMPATIBLE: This product can be used on a variety of new or old automobiles. BestLine is compatible with all types of motor oil and can be used in gas or diesel engines.
  • TRUST BESTLINE: Our product is unique in that it is the only engine treatment with 52 worldwide patents. If you are not satisfied with BestLine, we offer a 100% money back guarantee.

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8. BestLine 853796001049 Synthetic Treatment Gasoline

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BestLine 853796001049 Synthetic Treatment Gasoline
  • Make sure this fits
    by entering your model number.
  • LONG LASTING ENGINE: BestLine uses its revolutionary formula to provide your vehicle with maximum engine life protection, proven to increase the life of your engine by 80%!
  • VISIBLE BENEFITS: This engine treatment reduces the likelihood of low-speed, pre-ignition, reduces friction for improved fuel mileage, and offers protection against engine wear.
  • 100% PURE SYNTHETIC: BestLine’s superior lubricant has been formulated with a 20 weight full-synthetic base oil, designed specifically for longer drain intervals.
  • UNIVERSALLY COMPATIBLE: This product can be used on a variety of new or old automobiles. BestLine is compatible with all types of motor oil and can be used in gas or diesel engines.
  • TRUST BESTLINE: Our product is unique in that it is the only engine treatment with 52 worldwide patents. If you are not satisfied with BestLine, we offer a 100% money back guarantee.

9. Prolong Super Lubricants PSL15000 Transmission

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Prolong Super Lubricants PSL15000 Transmission
  • Make sure this fits
    by entering your model number.
  • Includes a Formula with Anti-Friction Metal Treatment Technology
  • Features Engineering Designed to Treat Metal Surfaces Through a Molecular and Chemical Process
  • Offers Molecules that Interact with Metal Surfaces and Chemically Bond to Create a Protective Layer that Reduces Damaging Friction and Heat
  • Offers to Treat the Metal Surfaces of Both Standard (Manual) and Automatic Transmissions
  • Features a Formula that Promotes Smoother Manual Shifts and Helps Restore Responsiveness in Automatic Transmissions

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10. Star Tron Enzyme Fuel Treatment

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Star Tron Enzyme Fuel Treatment
  • Make sure this fits
    by entering your model number.
  • Cures and prevents ethanol fuel problems; helps prevent phase separation
  • For everyday use and seasonal storage; stabilizes fuel for up to 2 years and can help rejuvenate old, sub-spec fuel
  • Makes engines start easily and run smoothly; improves fuel economy and reduces emissions
  • Cleans valves and injectors of carbon deposits, gums and varnish for maximum performance, increased fuel efficiency and reduced emissions
  • Concentrated formula #930XX is economical to use in large and small applications; safe for use in all engines (including 2-cycle pre-mix)

Final Verdict

It is essential to make sure that you are buying the perfect engine treatments that fits your needs and budget. All the products mentioned above are excellent in their ways and are some of the engine treatments in the market. You will never regret buying any of these products as they serve the value of the money you pay for them. However, as we have mentioned before, everybody has different ideas and needs when it comes to engine treatments.
Now it’s time to choose wisely. Get the engine treatments that best fits you and enjoys the comfort.