Search and kompare over thousands products reviews

The Best Oil & Fluid Additives

Looking for the best Oil & Fluid Additives?

Discover now our comparison of the best Oil & Fluid Additives. It is never easy to choose from the wide range of offers. On the market, you will find an incalculable number of models, all at different prices. And as you will discover, the best Oil & Fluid Additives are not always the ones at the highest prices! Many criteria are used, and they make the richness and relevance of this comparison.
To help you make the best choice among the hundreds of products available, we have decided to offer you a comparison of the Oil & Fluid Additives in order to find the best quality/price ratio. In this ranking, you will find products listed according to their price, but also their characteristics and the opinions of other customers. Also discover our comparisons by categories. You won’t have to choose your products at random anymore.

No. 1
LIQUI MOLY Motor Oil Saver | 300 ml | Oil additive | SKU: 2020
  • Reduces oil consumption via the piston rings and valve guides
  • Prevents blue, smoky exhaust fumes
  • Prevents leaks due to leaks at elastomeric seals
  • Regenerates engine seals made of plastic and rubber
  • Prevents pollution of the environment due to oil dripping from the engine
No. 2
Genuine Ford Fluid XL-3 Friction Modifier Additive - 4 oz.
  • For use on certain limited-slip differentials to reduce chatter and hypoid gear noise levels
  • Use according to owner guide recommendations
  • Formulated for automotive use
  • Added to lubricants to reduce the surface friction of the lubricated parts
No. 3
LIQUI MOLY ATF Additive | 250 ml | Oil additive | SKU: 5135
  • Prevents oil loss
  • Regenerates seals, cleans and protects
  • Improve steering characteristic and reduced the noise
  • Damps down shifting operations and protects from wear
  • Lowers repair costs and lengthens the service life
SaleNo. 4
Lucas Oil 10001 Heavy Duty Oil Stabilizer - 1 Quart
  • The world’s #1 oil additive
  • Formulated with 100% petroleum
  • Suitable for new engines
  • Multi-use versatility
  • Trusted by pros to keep engines running smoothly under the most demanding conditions
  • Available in 1-quart and 1-gallon bottles
No. 5
Sea Foam Motor Treatment Fuel & Oil Additive, SF16, 16 oz, Pack of 3
  • Add Sea Foam Motor Treatment to all fuel and oil systems to safely clean and lubricate critical engine areas.
  • Cleans fuel injector and carburetor passageways, intake valves, and chamber deposits. Lubricates upper cylinders.
  • Works in crankcase oil to liquefy harmful residues and deposits.
  • Stabilizes gas and diesel fuels up to 2 years.
  • Safe and effective in any gas or diesel fuel blend, and all motor oils, conventional or synthetic.
SaleNo. 6
Genuine Mopar Fluid 4318060AB Limited Slip Additive - 4 oz. Bottle
  • Genuine OEM Dodge/Molar factory fit part
  • The package length is 5.791 centimeters
  • The package height is 8.001 centimeters
  • The package width is 5.994 centimeters
SaleNo. 7
LIQUI MOLY Oil Additive Cera Tec 20002 Ceramic Wear & Tear Protection for Petrol & Diesel Engines Smoother Engine Performance, Less Friction & Lower Fuel Consumption 300 ml
  • Mixable with all commercially available motor oils
  • Stable even under high thermal and dynamic permanent loads
  • No deposits and absolutely compatible with all commonly used filter systems
  • Resists extremely high and low temperatures
No. 8
STP Oil Treatment Engine Oil Additive, 15 fl oz Bottle, Contains ZDDP Anti-Wear Agent to Fight Friction, Reduces Oil Burning and Consumption to Improve Performance
  • ENGINE OIL ADDITIVE: One 15 fl oz bottle of STP Oil Treatment, an engine additive that helps lubricate moving engine parts and reduce oil consumption
  • ENGINEERED FOR CONVENTIONAL AND SYNTHETIC OIL: This engine treatment is excellent for all cars, light trucks and SUVs
  • FIGHTS FRICTION: High-viscosity formula with anti-wear agent ZDDP helps fight metal-to-metal friction by providing a thicker cushion between moving engine parts
  • IMPROVES OIL PERFORMANCE: Reduces oil burning and consumption to improve oil performance and keep your engine running efficiently
  • USE WITH EVERY OIL CHANGE: Simply add one 15 fl oz bottle of the engine oil treatment to 4-5 quarts of oil with every oil change to maintain peak engine performance
No. 9
Prolube Oil Treatment - Engine Oil Additive for Gas & Diesel Engines - Reduces Wear, Noise, Vibration - Boosts Fuel Economy & Horsepower - Works on Transmissions & Differentials (16oz)
  • POWER UP ENGINE, CUT THE NOISE: Maximize your engine’s performance with engine oil treatment. It enhances horsepower, minimizes engine noise, and smooths vibrations for a quieter, more efficient drive every time
  • SAVE ON FUEL COST: With high mileage oil treatment, reduce fuel consumption by up to 45%! Its advanced formula decreases engine friction, optimizing component efficiency and helping your engine go farther on less fuel
  • EXTEND ENGINE LIFESPAN: Protect your engine with oil additive for car engine that reduces wear during startup, conditions components, and doubles oil life. Keep your engine strong while avoiding costly repairs and breakdowns
  • READY FOR ANY ENGINE TYPE: This versatile engine oil cleaner is compatible with gas and diesel engines, transmissions, and gearboxes. Its easy-to-use formula blends seamlessly with synthetic or petroleum oils for hassle-free application
  • VERSATILITY YOU CAN COUNT ON: Designed for any engine, diesel oil additive offers tailored ratios, such as 1 oz per quart for standard engines or 2 oz for heavy-duty or high-mileage engines. Perfect for cars, trucks, and industrial machinery.
No. 10
BestLine Racing Diamond Nano-Lubricant Engine Oil Additive For Gas & Diesel Engines.- Made in the USA. Reduce Friction by 60% - High Performance, Engine Protection, and Extend Oil Life
  • Reduces friction by approximately 60% compared to conventional engines, by forming an ultra-low friction film on top of the Diamond Nano-coating. Oil additive for car engine, and oil treatment for car and truck engines.
  • Use for any type of vehicle, gasoline and diesel engines. Use in motorcycles, cars, classic cars, race cars, commercial trucks, and everything in between.
  • More Concentrated High-Pressure Diamond Nano Engine Treatment Formula. Helps to reduce oil changes and engine noise. Returns power and life to high mileage vehicles. Superior Heat Resistance maintains lubrication integrity up to 1,800°F (982°C), outperforming conventional PTFE-based additives. Universal Compatibility is effective in gasoline, diesel, hybrid, and racing engines across all platforms.
  • Use one bottle for every 5 quarts of oil; it is best if used at every oil change. Dual-Action Formula combines cleaning detergents with protective additives to: Remove existing sludge, Prevent new deposit formation, and neutralizes acidic oil breakdown. Restore your engine easily with BestLine Racing Diamond Nano Lube, a metal surface treatment.
  • Extreme Heat Resistance and Boundary Layer Protection and Surface Polishing & Friction Reduction The nanoparticles (5-10nm size) act like microscopic ball bearings between moving parts. That fills microscopic grooves in cylinder walls and bearing surfaces, polishes metal surfaces to mirror-like smoothness through mechanical action, and reduces friction by up to 60% compared to conventional oils.
  • Forumlated and manufactured in the USA

What is the purpose of a comparison site?

When you search for a product on the Internet, you can compare all the offers that are available from the sellers. However, it can take time when it is necessary to open all the pages, compare the opinions of the Internet users, the characteristics of the products, the prices of the different models… Offering you reliable comparisons allows us to offer you a certain time saving and a great ease of use. Shopping on the Internet is no longer a chore, but a real pleasure!
We do everything we can to offer you relevant comparisons, based on various criteria and constantly updated. The product you are looking for is probably among these pages. A few clicks will allow you to make a fair and relevant choice. Don’t be disappointed with your purchases made on the Internet and compare the best Oil & Fluid Additives now!

Last update on 2025-07-05 / Affiliate links / Images from Amazon Product Advertising API