Best Oil Additives In August 2025

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Are you looking for the Top 10 Best Oil Additives? Well, just grab a cup of coffee and read on! We are huge fans of Best Oil Additives and have done our comprehensive research here.

To help you in your search, we have completed this list of the Best Oil Additives.

Top Rated Best Oil Additives Of 2025

Rank	Product Name	Score
1	LUCAS OIL 10001 Heavy Duty Oil Stabilizer Quart Buy Now	9.7 Buy Now
2	CamGuard Oil Additive (Aircraft) Buy Now	9.5 Buy Now
3	Marvel Mystery Oil MM12R - 16 Fl Oz. (Pack of 2) Buy Now	9.1 Buy Now
4	Lucas Oil 10002 Heavy Duty Oil Stabilizer, 1 Gallon Buy Now	8.8 Buy Now
5	BestLine Premium Synthetic Engine Treatment with Nano Diamond Technology Extreme Pressure Lubricant Buy Now	8.6 Buy Now
6	Liqui Moly (20002) Cera Tec Friction Modifier - 300 ml Buy Now	8.3 Buy Now
7	REV X Stiction Fix Oil Treatment - Two 4 fl. oz. Bottles Buy Now	8.1 Buy Now
8	TriboTEX Nano Oil Additive Car Engine Treatment: Add to Engine Lube - Makes Buy Now	7.8 Buy Now
9	REV X High Performance Oil Additive (4) Buy Now	7.5 Buy Now

1. LUCAS OIL 10001 Heavy Duty Oil Stabilizer Quart

• Reduces oil consumption
• For best performance, follow the manufacturer's recommendations in your vehicle owners manual.
• Eliminates dry starts
• Increase oil life at least 50 percent longer
• Increases power and miles per gallon
• Raises oil pressure

2. CamGuard Oil Additive (Aircraft)

• Reduces cam and lift wear
• For aircraft engines only- 16 oz bottle
• Prevents engine deposits
• Fights rust and corrosion
• Conditions seals

3. Marvel Mystery Oil MM12R - 16 Fl Oz. (Pack of 2)

• Reduces and prevents varnish and gum build-up
• Cleans and lubricates fuel injectors and carburetors
• Prevents valve sticking and clatter
• Prevents oil breakdown caused by extreme temperatures
• Kit includes (2) 16oz. bottles of marvel mystery oil additive

4. Lucas Oil 10002 Heavy Duty Oil Stabilizer, 1 Gallon

• Raises oil pressure
• Reduces oil consumption
• Increase oil life at least 50% longer
• Made in the usa
• Raises oil pressure
• Reduces oil consumption

5. BestLine Premium Synthetic Engine Treatment with Nano Diamond Technology Extreme Pressure Lubricant

• Reduces friction: diamond nano-lubricant noise remover additive creates boundary layer protection on metal
• Bestline engine treatment: increase power/gas mileage.
• Universal bestline additive: 100% pure synthetic use in gas or diesel car, truck, motorcycle engines
• Oil additive: use 1 bottle for every 5 quarts of oil for smoother starts & maximum engine protection
• Try it with confidence: bestline engine oil treatment comes with a 100% money back guarantee

6. Liqui Moly (20002) Cera Tec Friction Modifier - 300 ml

• No deposits and absolutely compatible with all commonly used filter systems
• Resists extremely high and low temperatures
• Stable even under high thermal and dynamic permanent loads
• Mixable with all commercially available motor oils

7. REV X Stiction Fix Oil Treatment - Two 4 fl. oz. Bottles

• Greatly improves or eliminates cold start issues in all diesel engines.
• Two 4 fl. oz. bottles of rev x high performance oil additive in our stiction fix retail box. will treat up to 12 quarts of oil.
• Extends the service life of all synthetic, semi-synthetic, and mineral based oils providing a reduction of wear of all treated engine components.
• Quiets engine noise while cleaning harmful deposits, varnish and sludge in all engines. reduces friction by creating a microscopic friction reduction layer on all treated components to reach areas standard oils can not.
• Removes stiction, common in heui injectors, without using harmful and dangerous chemical strippers.

8. TriboTEX Nano Oil Additive Car Engine Treatment: Add to Engine Lube - Makes

• Universal: compatible with all types of motor oil and can be used in gas or diesel engines. use for both old and new cars. it is an excellent engine booster.
• Efficient: our masterfully engineered engine treatment improves fuel consumption and reduces engine noise. it is time to improve your engine and take your driving experience to a new level.
• Quieter & smoother performance: reverses wear in bearings by building a diamond-like carbon coating.
• Groundbreaking: made in the usa tribotex is a revolutionary engine oil additive. it contains synthetic nanoparticles developed with funding from the u.s. department of energy, nasa, & the national science foundation.
• Guaranteed quality: we know you will be delighted with this ground-breaking technology. our treatment comes with a 100% satisfaction guarantee.

9. REV X High Performance Oil Additive (4)

• Increased efficiency, horsepower and torque
• Greatly improved cold start operation, dramatic reductions in component wear
• Enhances injection systems for proper operation
• Four - 4oz engine oil treatment kit
• Smoother operation of all treated components