Daisy
Last Updated: Feb 6, 2026
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| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Cleans and Lubricates Fuel System: The product contains a blend of detergents and additives that help to clean and lubricate the fuel system, including the fuel injectors, carburetor, and combustion chamber.
Improves Fuel Economy: The product can help to improve fuel economy by removing deposits and contaminants from the fuel system and improving the efficiency of fuel combustion.
Reduces Emissions: By improving fuel combustion, the product can also help to reduce exhaust emissions, including harmful pollutants such as carbon monoxide and nitrogen oxides.
Increases Power and Acceleration: The product can also help to increase power and acceleration by improving the flow of fuel through the system and reducing the buildup of deposits that can impede engine performance.
Neutralizes Low Sulfur Fuel Problems: Lucas Oil 10013 Fuel Treatment contains a blend of detergents and additives that help to neutralize sulfur and other harmful contaminants that may be present in the fuel system. The detergents work to clean the fuel injectors and carburetor, which can become clogged with sulfur deposits over time.
Prevents rust and corrosion: The product contains corrosion inhibitors that help to prevent rust and corrosion in the fuel system, extending the life of the engine and fuel system components.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ❌ |
Product 1: Mixable with all commercially available motor oils
Product 1: Stable even under high thermal and dynamic permanent loads
Product 1: No deposits and absolutely compatible with all commonly used filter systems
Product 1: Resists extremely high and low temperatures
Product 2: Better engine performance.Fit Type: Universal
Product 2: Lower fuel consumption
Product 2: Lower pollutant emissions
Product 2: Protection against corrosion and carburetor icing
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| JBTools | 9.86 | ❌ | ❌ | ❌ |
100 percent pure petroleum
EPA registered product
Liquefies gum and varnish deposits or internal engine contaminants
Can be used as a fuel system additive
Special Shipping Information: This item cannot be returned and has additional shipping restrictions
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Metro 24 Wholesale, Inc. | 9.60 | ❌ | ❌ | ❌ |
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
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
High quality fluid keeps supercharger bearings operating properly
Unique product has excellent oxidation stability and low wear characteristics
Specially formulated for use with all supercharged vehicles
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| 1185 Corp | 9.69 | ❌ | ❌ | ❌ |
Kit Includes (2) 16oz. Bottles of Marvel Mystery Oil additive
Cleans and lubricates fuel injectors and carburetors
Reduces and prevents varnish and gum build-up
Prevents valve sticking and clatter
Prevents oil breakdown caused by extreme temperatures
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Rev X Products, Inc. | 9.93 | ❌ | ❌ | ❌ |
Highly Concentrated: 4 fl. oz. will treat up to 6 quarts of most lubricants & oils.
Extreme Reduction in Friction: Reduces friction & increases efficiency of vital drivetrain parts, freeing them to create more consistent power.
Complete Oil System Cleaner: Cleans the entire oil system using an organic detergent package with no dangerous chemical strippers.
Reduces Engine Noise: By reducing the friction & metal to metal contact in your engine it will run noticeably quieter.
Extended Service Life: Extends the service life of lubricants making them last longer & extending the interval between oil changes.
Activated by Heat: Seeks out heat & friction in the engine for extreme protection, a significant reduction in wear, & lower part temperatures.
Does not Settle: Once blended with any mineral, semi-synthetic or synthetic oil it will stay in suspension & never settle to the bottom.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Prevents Camshaft Wear
Reduces Piston Scuffing
Increases Engine Life
Makes Newer Oils Work In Older Engines
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Restore power and performance of your engine back to new while preventing excesssive wear
Cleans and lubricates every component in the oil system, including HEUI injectors, turbos and more
Reduces wear by up to 62% more than engine oil alone, as verified by third-party testing
Restores 9 out of 10 failing HEUI injectors for better performance
Works on both gasoline and diesel engines
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| GlobalEcom | 9.95 | ✅ | ✅ | ✅ |
EXTEND THE LIFE OF YOUR VEHICLE: zMAX Engine & Fuel formulas are simple and easy to use. Micro-lubrication soaks into metal surfaces, which improves lubricity and reduces carbon deposit build-up while boosting performance and protecting vital vehicle parts.
ENGINE EFFICIENCY: Add zMAX Engine Formula to gain efficient combustion resulting in more power. Use the engine treatment at your routine oil change or every 6k miles to reduce engine wear, lower emissions and keep your engine running smoothly.
FUEL CONDITIONER: Pour zMAX Fuel Formula in the fuel tank to lubricate and maintain a clean fuel injector system. It conditions the pumps and nozzles reducing carbon residue from the valves and pistons while improving fuel efficiency and performance.
TRUSTED BY PROFESSIONALS & DEALERSHIPS: Stock zMAX in your garage to treat your car like a professional. From local repair shop mechanics to major car dealership groups, our formula is road tested and mechanic trusted. zMAX is eco-friendly and USA-Made.
REPUTABLE QUALITY AND PERFORMANCE: zMAX is proud to be the Official Micro-lubricant of Speedway Motorsports. Proven and trusted for over 80 years, zMAX helps save money at the pump and extends your engine’s life.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| GlobalEcom | 9.95 | ✅ | ✅ | ✅ |
EXTEND THE LIFE OF YOUR VEHICLE: zMAX Multi-Purpose Formula is simple and easy to use. Micro-lubrication soaks into metal surfaces which improves lubricity and reduces carbon deposit build-up while boosting performance and protecting vital vehicle parts.
ENGINE EFFICIENCY: Use the All Purpose Formula to help to restore the combustion valve and piston ring sealing resulting in a smoother running motor and more power. Reduces engine wear and lowers emissions which improves fuel efficiency and performance.
FUEL & TRANSMISSION CONDITIONER: Helps clean varnish in valve bodies for smoother shifting, lubricates the injector system and conditions pumps & nozzles while reducing carbon residue from valves and pistons. Perfect for manual or automatic transmissions
POWER STEERING: Use to keep the steering system lubricated and smooth. The eco-friendly formula is industry tested, mechanic trusted, and includes an easy-to-read measurement indicator for each application.
TRUSTED QUALITY AND PERFORMANCE: zMAX is proud to be the Official Micro-lubricant of Speedway Motorsports. Trusted for over 80 years, the USA made All Purpose formula saves money at the pump and extends the engine life of all your vehicles.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Gas Diesel Offroads | 8.67 | ❌ | ❌ | ❌ |
Greatest extreme-pressure protection with the lowest coefficiency of friction available.
Provide gear teeth shock loading protection as well as giving a thicker oil films between gear teeth
Reduces temperatures dramatically
Reduces metal-to-metal contact as well as gear noise
Contains a unique solid dispersion which cushions gear teeth to help prevent tooth breakage and allows the use of lower viscosities.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| ABC Direct Auto Parts | 7.16 | ✅ | ✅ | ✅ |
PROTECT YOUR ENGINE - Older cars with flat tapped lifters-cam need the added zinc for protection
EASY TO USE - Simply empty entire 4oz contents of the bottle to a 4 to 6 quart oil change.
PREVENT METAL ON METAL CONTACT - ZDDPlus alters characteristics to prevent metal on metal contact
FOR USE ON PRE 1989 AND HIGH PERFORMANCE ENGINES
COMPATIBLE WITH SYNTHETIC AND CONVENTIONAL MOTOR OILS
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Rev X Products, Inc. | 9.93 | ✅ | ✅ | ✅ |
Creates an anti-wear layer at friction points to prevent metal-to-metal contact and eliminate wear.
Engine break-in where the new camshaft and lifters need extra protection, and ZDDP is perfect for that.
Mandatory for all flat tappet engines.
Works in both synthetic and standard mineral-based oils.
Two fluid ounces mixed with 6 quarts of oil create a ratio of 3000 – 3200 parts per million (ppm).
ZDDP protects high-load components from excessive wear and failures.
Use in every oil change for maximum protection.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Maxima Fork Oils are formulated from the highest quality base oils and advanced additives to prevent foaming, seal hardening, oxidation and stiction
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Weldfabulous | 9.85 | ❌ | ❌ | ❌ |
Produce More Power
Start Easier Last Longer
Run Smoother
For all Gas and Diesel Engines
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| SHINE ARMOR | 9.75 | ✅ | ✅ | ✅ |
Optimal Engine Performance - Extend your motor oil and engine life with the help of our car oil additive treatment that reduces engine temp and excessive wear while raising oil pressure and durability
Groundbreaking Formula - Our high viscosity nanoparticle solution creates a thick cushion between your engine parts to reduce friction and reverses wear by building a protective carbon coating
Universally Compatible - Try our engine performance boosting oil additives for high mileage engines too including both gas and diesel that is compatible with all types of motor and engine oils
Quality Assured - We know you'll love our stiction remover and oil consumption repair formula because we take pride in our products working to reduce engine noise vibration heat and dry starts
Shine Armor Mission - We've made it our mission to provide the automotive enthusiast community with high end American made oil & fluid additives for a variety of vehicles without breaking the bank
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| HARVARD MARINE | 9.63 | ❌ | ❌ | ❌ |
Removes deposits
Cleans Combustion Chambers
Spray through air intake of 2 and 4 cycle engines for improved performance
Not to be mixed with oil
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| IGB SALES | 9.42 | ❌ | ❌ | ❌ |
Dura Lube Engine Treatment immediately helps your engine run cooler and quieter by reducing heat and friction a major cause of engine sludge
Dura Lube offers four times more wear protection than your lubricants alone and contains no solid particles like PTFE, lead, molybdenum, or graphite
For gas and diesel engines, compatible with synthetic and non-synthetic oils. Replace one quart of motor oil with Dura Lube Advanced Engine Treatment at every oil change
Use on higher mileage vehicles or add the additional protection on newer engines, Dura Lube helps all engines last longer, run quieter and optimize fuel economy.
Out performs oil treatment products because it treats the metal not the oil!
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| BestLine | 9.12 | ✅ | ✅ | ✅ |
Reduces friction by approximately 60% compared to conventional engines, by forming an ultra-low friction film on top of the Diamond Nano-coating.
Use for any type of vehicle from go carts to commercial trucks and everything in between.
More Concentrated High-Pressure Formula
Use One Bottle for Every 5 quarts of oil
Extreme Heat Resistance and Boundary Layer Protection
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Includes a Formula with Anti-Friction Metal Treatment Technology
Features Engineering Designed to Treat Metal Surfaces of Both Gasoline and Diesel Fueled Engines
Offers Molecules that Interact with Metal Surfaces and Chemically Bond to Create a Protective Layer that Reduces Damaging Friction and Heat
Offers to Protect the Engine Even when the Motor Oil is Not Yet Fully Circulating
Features a Formula Containing No Solid Particles Such as PTFE Resins, 'Molys', Zinc, Copper, or Graphite
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Optimizes engine horsepower and performance - for use in all diesel and gasoline engines
Improves fuel economy by reducing friction in your engine - Protects and extends oil life by 30%
Reduces wear on metal components, thus increasing part life / Eliminates lifter and other objectionable noise on startup, especially in cold weather
Improves anti-friction and anti-wear properties of all major oil brands to meet requirements of all vehicles, including older and high performance models
Reduces hot engine oil temperatures / Ensures smoother running engines / Inhibits oxidation and extends engine oil life
Reduces oil and fuel consumption
For use in all diesel and gasoline engines (blends with all motor oil currently produced)
Optimizes engine horsepower and performance
Protects and extends oil life by 30 percent
Eliminates lifter and other objectionable noise on startup, especially in cold weather
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Parts Plus 417, LLC | 8.48 | ❌ | ❌ | ❌ |
Contains one application of oil and fuel system UV leak detection dye
For use in engine oil transmissions power steering systems and gas and diesel fuel systems
Compatible with all weights of petroleum based lubricant
Helps locate leaks
Professional grade
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| ❌ | ❌ | ❌ |
Energy Release increases fuel economy
Decreases heat and friction between moving parts
Optimizes performance
Use Energy Release in snowmobiles, motorcycles, ATVs, watercraft and lawn and garden equipment
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Clean and improve your fuel system with Small Engine Pro, a gasoline/oil additive that helps restore lost engine power and performance, by cleaning out gum and varnish
Keeps internal engine components lubricated and free, providing longevity to internal engine parts
With optimal lubrication and cleaning, this formula effectively quiets noisy engines
Protects Against Ethanol - Corrosion Inhibitors provide the ultimate protection against the harmful effects of Ethanol
Safe for use in all gas powered small engine equipment including lawn mowers, trimmers, chainsaws, pressure washers, edgers, snow blowers, generators and more!
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Provides complete protection against start-up wear by leaving a protective film on all internal engine parts, even if your engine has not been running for long periods of time
When used in high mileage engines, Hy-Per Lube will help restore performance and improve fuel economy by better sealing piston rings and valve guides
Hy-Per Lube provides added protection between oil changes and will extend the life of your oil by up to 50
Hy-Per Lube reduces foam and helps extend the life of your engine and also reduces gear box and transmission temperatures
Hy-Per Lube will reduce lifter and drive train noise
Fit type: Universal Fit
Flash point: 192.0 degrees_celsius
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Shop Eddies 🏁✳️🚚 | 9.59 | ❌ | ❌ | ❌ |
Reduces friction and wear
Quiets noisy lifters and valves
Removes and prevents sludge
Add to engine oil anytime
Included Components: 5 Bottles
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| JBTools | 9.86 | ✅ | ✅ | ✅ |
Provides Superior Wear Protection Even When Added to Oils Containing Reduced ZDDP Levels
Maintains a Strong Oil Film at High Temperatures
Reduces Cold Start Wear After Long Periods of Shut Down
Environmentally Safe, Contains No Heavy Metals and Will Not Harm Emission Controls or Catalytic Converters
Compatible With All Motor Oils Including Synthetics
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| GlobalEcom | 9.95 | ✅ | ✅ | ✅ |
PROTECT YOUR VEHICLE: zMAX Transmission Formula is easy to use! Micro-lubrication soaks into metal surfaces improving lubrication to reduce gear wear and varnish buildup. Keeps seals supple, preventing leaks and improving shifting.
TRANSMISSION EFFICIENCY: Improve performance by adding the formula to your transmission fluid to reduce slippage and rough shifting. Brings back smooth shifting gears resulting in an improved response. Add every time you change your transmission fluid.
TRANSMISSION LUBRICANT: Cleans varnish for smoother shifting and lubricates bearings, gears, and the hydraulic system. Perfect for both automatic or manual transmissions. Not for use in CVT transmissions. Does not void manufacturer's warranties.
ECONOMICAL PREVENTATIVE MAINTENANCE: Pour into transmission fluid to keep the gears lubricated and in top condition. The eco-friendly formula is industry tested, mechanic trusted and improves the performance and the driving experience.
TRUSTED QUALITY AND PERFORMANCE: zMAX is proud to be the Official Micro-lubricant of Speedway Motorsports. Trusted for over 80 years, the USA made Transmission Formula saves money at the pump and extends the engine life of all your vehicles.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| XADO TECH, LLC | 9.86 | ✅ | ✅ | ✅ |
Compensates Current Wear Of Engine
Restores Compression In Cylinders
Increases Pressure In Oil System
Creates Active Protection System Of Parts From Loads And Overheating
Improves Lubricating Properties Of Oil And Tribological Characteristics Of Engine Units
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Xado | 8 |
| Hot Shot's Secret | 6 |
| Bar's Leaks | 5 |
| Liqui Moly | 5 |
| Red Line | 5 |
| Bardahl | 3 |
| Lucas Oil | 3 |
| Marvel Mystery Oil | 3 |
| Rev X | 3 |
| Rislone | 3 |
We've carried out a comprehensive analysis of 97,484 reviews on engine fluid additives, using our selection criteria to identify the best options in the oils & fluids. Our findings reveal that most customers typically select engine fluid additives priced around $49.36, with top brands including liqui moly, hot shots, hot shot's secret, xado, sta-bil, borpower, red line, quicksilver and pennzoil and tein
Our team of expert editors reviewed these high-quality items and handpicked the top 30 engine fluid additives for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the oils & fluids category. These include amazon.com, xado tech, llc, boostprojects, r/a hoerr incorporated, neobits_, fastmodz ✅, shop eddies 🏁✳️🚚 and whynotoutside and 4wheel online .
We are dedicated to assisting our users in finding the right additives Products based on their needs, saving them considerable time when choosing which engine fluid additives to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.