The Best engine oil additive cleaner : Recommended For 2025
It is challenging to know where to start when looking for engine oil additive cleaner. There are so many options that it is hard to know which one stands out. Bringing up the frustration of being discouraged in your search. Making you feel like you are wasting your time, money, and effort trying to find what you want.Our 10 best engine oil additive cleaner were identified by an algorithm that identified the most trending products on Amazon. Keep reading!
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Our Recommended Best engine oil additive cleaner Reviews in 2025
Bestseller No. 1
Liqui Moly Pro-Line Engine Flush | 500 ml | Oil...
- Easy way to clean and flush the oil systems of gasoline and diesel engines
- Gentle and rapid cleaning
- Neutral to seals and other materials installed in the engine
- Compatible with catalytic converters
- Simple to use
Bestseller No. 2
Lucas Oil 10003 Fuel Treatment - 1 Quart
- The world’s #1 fuel additive for both gasoline and diesel engines
- A great tune-up in a bottle – treats gasoline, diesel fuel and increases MPG
- Cleans and lubricates the fuel system, including fuel injectors, carburetor and combustion chamber
- Improves fuel economy by burning excess exhaust emissions
- Increases power and acceleration by improving fuel flow and reducing deposit buildup
Bestseller No. 3
Liqui Moly MoS2 Anti-Friction Engine Treatment |...
- 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
Bestseller No. 4
Prolube Oil Treatment - Engine Oil Additive for...
- 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...
- 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...
- 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...
- 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...
- 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...
Bestseller No. 5
Engine Wizard - Engine Flush, Deep Clean &...
- Deep Engine Cleaning – Effectively removes sludge, deposits, and varnish buildup from your engine’s oil system for a cleaner, more efficient performance.
- Restores & Protects – Specially formulated to free up sticky valves and lifters while creating a protective barrier to support long-term engine health.
- Universal Compatibility – Our highly concentrated formula is designed to work with all engine types, delivering a powerful yet hassle-free cleaning solution. Fully compatible with all commercially...
- Boosts Performance – Enhances engine efficiency by reducing friction, improving oil circulation, and optimizing overall power output.
- Easy to Use – Simply add to your engine oil before an oil change for a quick and effective deep clean—no extra tools or steps required!
Bestseller No. 6
XADO Engine Oil System Cleaner with Anti-Carbon...
- Deep engine cleaning: Removes deposits, sludge, and gunk from your engine's oil system for improved performance
- Versatile formula: Suitable for all engine types, including turbo-supercharged engines
- Long-lasting protection: Revitalizant in the formula creates a protective barrier for engine health
- Easy to use: Simply add to your engine oil before an oil change
- Trusted brand: XADO has been a leader in engine care for over 20 years, with proven results and satisfied customers
Bestseller No. 7
Rislone 4102 XTREME LUBE® Maximum Performance...
- REDUCES FRICTION AND WEAR: Multi-grade formula allows the oil to flow freely and provides protection over a broader temperature range
- REMOVES AND PREVENTS SLUDGE: XTREME LUBE Maximum Performance removes sludge and other harmful deposits within engines that can alter tolerances, stick rings, cause noisy valves & lifters, and plug oil...
- QUIETS NOISY LIFTERS: The unique Rislone formula is designed to penetrate into bearing surfaces, piston rings and ring grooves, where sludge and varnish is likely to form. These deposits are gradually...
- QUIETS NOISY VALVES: Regular use of Rislone Engine Treatment, with oil and filter changes at the proper intervals, will keep such deposits to a minimum
- MADE IN THE USA: Will not void manufacturer's new vehicle
SaleBestseller No. 8
Lucas Oil 10118 High Mileage Oil Stabilizer - 1...
- Excellent at fighting off sludge
- Lubricates all internal parts to minimize wear in any engine
- Raises oil pressure
- Eliminates the noise, emissions and oil consumption associated with worn engine
Bestseller No. 9
LIQUI MOLY Valve Clean | 150 ml | Petroladititive...
- Better engine performance.Fit Type: Universal
- Lower fuel consumption
- Lower pollutant emissions
- Protection against corrosion and carburetor icing
SaleBestseller No. 10
STA-BIL Fast Fix - Small Engine Treatment, Cleans...
- FIXES ROUGH RUNNING ENGINES – STA-BIL Fast Fix eats away at gum and varnish that cause rough starts and no starts in your small engine equipment. This easy-to-use fuel additive combats the effects...
- ELIMINATES WATER – This fuel injector cleaner helps to remove water that may get into your fuel system. Penetrating deep into the fuel line, this simple fuel additive prevents the need to...
- VERSATILE – Compatible with all small engines, adding STA-BIL Fast Fix to your 2-cycle or 4-cycle small engine cleans carburetors and injectors while acting as a water remover. Use this product in...
- DIRECTIONS – For rough running engines use 1 oz. of STA-BIL Fast Fix per 2.5 gallons of fuel. Fill with fresh gas. Start the engine and allow to run for 15 minutes to allow the additive to work its...
- All STA-BIL branded products are good for use up to 2 years after the bottle was opened. Be sure to mark the date you opened the bottle on the back of your package!