10 Best Engine Oil Fluid Additives
#1 Best Pick
STA-BIL Small Engine Pro Multi-System Additive, 473 ml
Brand: STA-BIL
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- Multi-system gas and oil additive
- Proven to restore lost engine performance by cleaning out gum and varnish
- Lubricates internal engine components to increase longevity
- Prevents corrosion caused by ethanol-blended fuels
- Safe to use on ALL small engines
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#2 Best Value
Additive for Engine Oil | Engine Anti-Wear Protectant Protective Engine Performance Additive - Anti-Friction Transmission Fluid Additive Engine Oil Flush Engine for
Brand: Generic
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- Reduces Engine Wear and Tear: Enhance the performance of your car's engine with our must-have oil additive that reduces engine wear and tear, minimizes vibrations, and makes your engine run smoother during normal driving
- Reduce Engine Boise: Advanced formula of engine anti-wear protection agent reduces noise and vibration, effectively minimizing engine noise for a quieter driving experience
- Instant Performance Enhancement: Add our oil additive to your car engine and experience improved performance right away. Our easy application process requires only 10 minutes of idling before turning off the ignition
- Car Protective Solution: Our car engine oil additive provides more than just repairs, it also provides preventive maintenance that protects against rust and corrosive. Its unique formula ensures easy driving with maintained performance and longevity. Regular use is key to engine protection and avoiding unexpected repairs
- Alleviates Oil Burning: Designed to reduce wear and tear your vehicle's engine, this oil additive improves sealing and alleviates oil burning problems. Recommended for use every 5,000 km for continued protection, it fills scratches caused by friction between parts, providing enhanced engine protection
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#3 Budget Pick
LIQUI MOLY Viscoplus for Oil | 300 ml | Oil additive | SKU: 21695
Brand: Liqui Moly
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- Optimum lubrication under all operating conditions
- Reduces oil consumption
- Minimizes viscosity loss
- Improves piston ring seal
- Fully compatible with mineral and synthetic oils
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#4 Top Choice
Oil Additive for Car Engine | Engine Anti-Wear Protectant Protective Engine Performance Additive - Anti-Friction Transmission Fluid Additive Engine Oil Flush Engine for
Brand: Generic
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- Car Maintenance Tool: Ensure your car's longevity with our oil additive that reduces engine wear and tear, minimizes vibrations, and makes your engine run smoother during normal driving: a must-have for every car owner
- Enhanced Engine Serenity: With our advanced formula, experience reduced engine noise and vibration while delightful perfect engine performance. Achieve a quieter, smoother driving experience with our oil additive for car engines
- Immediate Efficiency Upgrade: Add the product, let your car idle for just 10 minutes with no complicated steps, then turn off the ignition and enjoy immediate results
- Extends Engine Life: Shield your car engine from rust and corrosive with our oil additive. Its preventive maintenance formula extends the longevity and maintains performance for easy driving. Unique ingredients ensure regular use enhances engine life and prevents unexpected repairs
- Improved Engine Health: Engine protection is important, that's why our oil additive is recommended for use every 5,000 km. Its formula improves sealing, alleviates oil burning problems, and reduces wear and tear by filling scratches caused by friction between parts
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#5 Popular Choice
Castrol Edge 5W-30 A3/B4 Engine Oil 1 Litre
Brand: Castrol
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- Castrol EDGE 5W-30 A3/B4 with Fluid TITANIUM is the natural choice for drivers who demand maximum engine performance from today’s modern vehicles requiring a high level of protection and higher performance oils
- Motorsport is the ultimate proving ground for performance and today Castrol EDGE products are trusted to perform by some of the best in the business including Tickford Racing and Alpine F1 Team
- Carries an array of specifications including industry specifications like API SL/CF, ACEA A3/B4 and OEM approvals including BMW Longlife-01, MB-Approval 229.3/229.5 and VW 502 00/505 00
- Castrol EDGE 5W-30 A3/B4 is an advanced full synthetic engine oil suitable for use in automotive petrol and diesel vehicles, where the manufacturer recommends an ACEA A3/B4, API SL/CF or earlier specification 5W-30 lubricant
- Castrol EDGE is the choice of leading vehicle manufacturers with Castrol EDGE 5W-30 A3/B4 carrying current approvals from manufacturers including BMW, Mercedes Benz and VW
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#6 Top Pick
LIQUI MOLY Tappet Stop Noise | 300 ml | Oil additive | SKU: 2783
Brand: Liqui Moly
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- High performance additive
- damps down noise generation of contaminated and sticky hydraulic tappets
- Cleans valve bores and thus ensures optimal functioning again
- Will not affect oil viscosity
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#7 Top Pick
Engine Oil Additive,Engine Transmission Fluid Additive Protectant - Performance Booster Noise Reduction, Car Accessories Reduce Shaking
Brand: Generic
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- User Friendly: Pour into engine port, run for 10 minutes or drive normally, then turn off car after idling for 10 minutes. Solve oil burning issue without hassle
- Effective Noise Reduction: Shield against cold start damage, decrease oil consumption, and boost power for improved performance; quieten engine noise and vibration for a smooth driving experience and prolonged engine lifespan
- Boost Engine Longevity: By effectively reducing friction and expanding internal lubrication, this anti-wear protectant combats blue smog emissions for great engine performance and longevity
- Diverse Applications: With a concentration on highway and large displacement vehicles, this protectant prolongs engine life for various makes and models, ensuring extended maintenance intervals
- Safe Materials: Specifically formulated, our Engine Anti-Wear Protectant improves oil consumption without compromising engine performance or harmful emissions, ensuring peace of mind for uninterrupted driving
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#8 Top Pick
Engine Oil Additive With Friction Reducing Formula - Oil Additive for Heavy Machinery - Suits all Engine types With Lasting Protection - 340mL
Brand: MOTOR SHIELD DRAMATICALLY REDUCES FRICTION
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- Fits All Engine Types: Our engine oil lubricant suits all engines, including petrol, diesel, all cars, heavy machinery, including trucks, tractors, buses, and cranes, bulldozers, excavators, and turf equipment. With this engine oil lubricant you can depend on your vehicles and machines for longer periods of time and better performance. MOTORSHIELD friction reducing engine oil enhancer performs no matter what engine type is treated.
- Reduces Engine Friction: By reducing friction, the advanced lubricant formula of our friction modifier makes all moving engine parts work more smoothly, improving engine performance by decreasing wear and tear, saving fuel, and increasing efficiency. This means that your engine stays in good shape for a longer period of time, has more power, and is better for cold starts.
- 340ml suitable for Single Vehicle usage: The 340ml size of this engine oil additive is great for many types of vehicles, farm equipment, and watercraft, giving you enough product to treat one machines. Each bottle contains a concentrated formula that dramatically reduces friction, which makes our engine additive ideal for both engines and transmissions. Cars, trucks, tractors, boats, and other equipment benefit from it, also use for power equipment and lawn mowers both 2-stroke and 4-stroke.
- Tested and Trusted Performance: The QR code available here and attached to the front label of our engine oil additive allows you to access the test demonstration video. This test video of our engine oil additive shows you how the product works to enhance any engine oil and explains how to use it. The video provides a simple and clear demonstration of the performance of MOTORSHIELD friction reducing lubricant.
- Durable Engine Protection That Lasts: The chemical bonding properties of this engine cleaner oil additive coats all engine parts, providing 80,000kms or (2500hrs) of protection no matter how many oil changes it receives. This engine oil enhancer provides peace of mind and performance for an extended period.
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#9 Top Pick
LIQUI MOLY Cera Tec 21676 I Ceramic Wear & Tear Protection for Petrol & Diesel Engines I Smoother Engine Performance, Less Friction & Lower Fuel Consumption I Ceramic Additive for Engine Oil I 300 ml
Brand: Liqui Moly
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- SMOOTHER ENGINE PERFORMANCE FROM VERY FIRST USE: An engine additive formulated with high-tech ceramic compounds, high thermal resilience. Additive ensures smoother-running engine, extending the engine’s lifespan. Can be used with manual & automatic transmissions. Not suitable for use with wet clutches.
- LOWER FUEL CONSUMPTION and diminished emission of pollutants due to smoother engine operation.
- EASY TO ADD DURING OIL CHANGES: The 300 ml bottle is sufficient for up to 5 liters of engine oil. Shake well before use and add to fresh oil. Can be mixed with all gear & engine oils on the market. Long-lasting performance, up to 50,000 km.
- CERTIFIED EFFECTIVENESS proven by TÜV Thüringen: Chemical components in Cera Tec smooth out rough surfaces, the ceramic particles fill in uneven surface imperfections. Prevents direct contact of all metal parts, reducing friction and wear & tear. Turbo & Cat tested.
- EVERYTHING THAT DRIVES WORKS BETTER WITH LIQUI MOLY: We manufacture over 4,000 products: engine oils, additives, vehicle care, chemical servicing and repair, adhesives and sealing products. Our products are currently distributed to over 150 countries worldwide. They are popular everywhere, ensuring a superior driving experience and improved engine performance.
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#10 Top Pick
LIQUI MOLY Engine Flush Plus | 300 ml | Oil additive | SKU: 2784
Brand: Liqui Moly
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- A specially formulated combination of additives and carrier fluid
- The highly effective detergent and dispersant additives dissolve sludge and lacquer formers
- Simple to use without disassembly
- Optimal engine performance
- Does not attack common sealing materials
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