The Best Engine & Oil Fluid Additives

Looking for the best Engine & Oil Fluid Additives?

Discover now our comparison of the best Engine & 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 Engine & 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 Engine & 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 MoS2 Anti-Friction Engine Treatment | 300 ml | Oil additive | SKU: 2009

Motor oil additive - Liqui Moly MoS2 anti-friction (300 ml. Can).Fit Type: Universal
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
Flash point: 181.0 degrees_celsius

SaleNo. 2

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. 3

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. 4

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. 5

BestLine Racing Nano-Lubricant Engine Oil Additive For Gas & Diesel Engines.- Reduce Friction by 60% - Nanotechnology for High Performance, Engine Protection, and Enhanced Oil Life - Made in the USA

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

SaleNo. 6

Anti-Wear Engine Treatment Oil Additive, 2pcs Highly Effective Engine Anti-Wear Protectant, Wondeea Engine Anti-Wear Protectant, Transmission Fluid Additive for Car, Noise Reduction and Shaking Cure

【Premium Anti-Wear Engine Oil Additive】: Engineered to safeguard your vehicle's heart, this premium Engine Anti-Wear Protectant enhances engine performance, reduces wear and tear, and prolongs your engine's lifespan. Whether you drive a daily commuter or a high-performance vehicle, this protectant is the ultimate solution to ensure your engine runs smoother and longer.
【Highly Effective Engine Anti-Wear Protectant】: Our hEngine Oil Additive is specially formulated to create a protective barrier on vital engine components, reducing friction and minimizing wear during operation.
【Enhanced Performance】: Experience Improved Engine Efficiency, Smoother Acceleration, And Increased Horsepower As A Result Of Reduced Friction And Heat Generation.
【High Efficiency and Long-Lasting Protection】: Compared to various anti-wear agents on the market, this additive offers high viscosity and excellent adhesion, providing effective gear protection and wear reduction, contributing to better fuel economy and extended engine durability.
【Versatile Compatibility】: Suitable for use in both gasoline engines and compatible with both conventional and synthetic motor oils, this additive is a versatile choice for a wide range of vehicles, whether you drive a daily vehicle or a high-performance car.

No. 7

Bar's Leaks 1010 Engine Oil Stop Leak Concentrate, 11 oz, 1 Pack, Grey

STOPS AND SEALS MOTOR OIL LEAKS: Bar's Leaks Engine Oil Stop Leak Concentrate is specially designed to stop seal and gasket leaks caused by normal engine wear and age.
RESTORES GASKETS AND SEALS: One bottle treats up to 5 quarts of oil. For larger systems use 1 bottle for every 5 quarts of oil capacity. On small 4 cycle engines, use approximately 2 ounces per quart of capacity.
PREVENTS ENGINE OIL LEAKS: Add entire bottle of stop leak to engine oil at or between oil changes. Leaks usually stop in 200 miles or 3 days of driving. If leak continues, a second application may be required or mechanical attention is needed.
WORKS WITH ALL ENGINE OILS: Works with ALL gasoline and diesel engines using conventional, high mileage and synthetic engine oil.

No. 8

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. 9

Lucas Oil Engine Oil Stop Leak Top Off Additive/12x1/Quart

Long lasting
Conditions seals and o-rings to stop oil leaks
Contains state-of-the-art components to reduce friction and wear and extend engine life
Effective seal swell agents are used to condition hard and shrunken seals and gaskets
1 quart treats up to 6 quart capacity

No. 10

Bar's Leaks OS-1 Oil Seal Engine Oil Burning and Leak Repair, 16.9 oz.

REPAIRS LEAKING MAIN SEALS AND GASKETS: We have designed this product to work in all gasoline and diesel engines including turbocharged, EcoBoost, hybrid and even racing engines.
RENEWS WORN VALVE SEALS AND GUIDES: Your vehicle is a good candidate for Bar’s Leaks Oil Seal Engine Oil Burning & Leak Repair if it does not consume more than one quart of oil per day.
STOPS OIL BURNING & BLUE EXHAUST SMOKE: This covers 3, 4, 5, 6, 8 and 10 cylinder engines in all cars, trucks, vans and SUV’s. Our product can also be used in heavy-duty applications referencing the appropriate dosage level.
SEAL ALL OTHER OIL LEAKS, DRIPS AND CONSUMPTION: This applies to a wide range of other motor applications too - tractors, boats, RV’s, motorcycles (including wet clutch), ATV’s, lawn equipment.
MADE IN THE USA

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Last update on 2025-06-05 / Affiliate links / Images from Amazon Product Advertising API

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