The 10 Best Fuel System Additives to Buy – July 2021 Review

Looking for the best Fuel System Additives?

We did 16 hours of research and testing 10 products to create this review. We believe the best Fuel System Additives doesn’t have to be the most sophisticated to be exceptional. Our product selection lives up to its promise. Many different criteria were used for this comparison to be more relevant and more precise. Now discover our comparison !

TOP 10

No. 1
Red Line (60103) Complete SI-1 Fuel System Cleaner - Gas and Injector Additive Treatment - 15 Oz Bottle
  • DESIGNED TO EXCEED EXPECTATIONS: Red Line complete SI-1 fuel system cleaner treatment for cleaning & preventing corrosion in fuel systems
  • PERFORM & PROTECT: Fuel additive cleans injectors, carburetors, valve & combustion chamber deposits with a powerful, concentrated blend of high-temp and low-temp detergents
  • EFFICIENT FUEL BURN: Gas treatment that enhances gasoline stability, while reducing the build up of gum and varnish formation
  • EASY TO USE: Use one bottle per tank for most effective treatment, additive cleans nearly 100% efficiency in one treatment
  • WHY RED LINE: Established in 1979, Red Line products perform & protect better than any on the market no compromises
No. 2
Star Tron Enzyme Fuel Treatment - Concentrated Gas Formula 8 oz - Treats 128 Gallons
  • Cures and prevents ethanol fuel problems; helps prevent phase separation
  • For everyday use and seasonal storage; stabilizes fuel for up to 2 years and can help rejuvenate old, sub-spec fuel
  • Makes engines start easily and run smoothly; improves fuel economy and reduces emissions
  • Cleans valves and injectors of carbon deposits, gums and varnish for maximum performance, increased fuel efficiency and reduced emissions
  • Concentrated formula #930XX is economical to use in large and small applications; safe for use in all engines (including 2-cycle pre-mix)
No. 3
Gumout 510016 All-in-ONE Complete Fuel System Cleaner, 10oz. (Pack of 6)
  • Complete fuel system cleaner improves performance across the fuel system
  • Uses PEA (polyether amine) to effectively remove carbon deposits other products can't
  • Conditions fuel to fight corrosion, extending the life of key engine parts
  • Reduces friction and wear in the upper cylinder, improving horsepower and fuel economy
  • Cleans direct and indirect fuel injectors, intake valves and ports, piston tops, cylinder heads, and combustion chamber
SaleNo. 4
Gumout 510023 Regane High Mileage Fuel System Cleaner, 6 oz. (Pack of 6)
  • Fights ethanol and water corrosion and prevents future carbon build-up
  • Conditions upper cylinder to reduce friction and wear in high mileage vehicles
  • PEA (polyether amine) effectively removes carbon deposits
  • Provides maximized performance and fuel economy in one fill-up
  • Will not void OEM/manufacturer's
No. 5
Quicksilver 8M0047921 Quickleen Engine & Fuel System Cleaner, 12 Oz - for All Grades of Gas and Ethanol Blends
  • Maximize engine performance with all grades of gasoline
  • Quickly and thoroughly removes carbon deposits from carburetors, injectors, intake valves, spark plugs, piston crowns and cylinder heads.
  • Prevents engine knocking and piston seize-up.
  • Extends spark plug life.
  • Can be used at every fuel tank fill-up. One ounce treats five gallons of gasoline.
  • See your owner's manual or service manual for specific applications and instructions.
  • Produced by Mercury Marine to our stringent original equipment manufacturer specifications to maximize the performance of gasoline fueled engines.
No. 6
LUCAS LUC10013 10013 Fuel Treatment - 1 Gallon
  • Fit Type: Vehicle Specific
  • Package Dimensions: 7.23 L x 4.93 H x 5.75 W (inches)
  • Package Weight : 8 pounds
  • Country of Origin : United States
No. 7
Genuine Hyundai Fluid 00232-19047 Complete Fuel System Cleaner
  • Cleans entire fuel system (injector valves, injectors, valves, combustion chamber) to restore fuel economy; exact Original Equipment Manufacturer fluid that your vehicle came with
  • Approved and recommended by Hyundai Motor America
  • A single tank treatment is recommended during every oil change or as often as every 3,000 miles
  • Protects fuel level sensor
  • Treats up to 20 gallons of gasoline
SaleNo. 8
STA-BIL 360 Marine Ethanol Treatment and Fuel Stabilizer - Prevents Corrosion - Helps Clean Fuel System For Improved In-Season Performance - Treats Up To 100 Gallons, 10 fl. oz. (22241)
  • America’s #1 Ethanol Treatment
  • Helps prevent Ethanol fuel related damage in vehicles and small engines
  • Advanced formula for engines used in water environments, to better remove the moisture
  • Helps prevent corrosion damage and helps remove water
  • Use in your boat, jet ski, or any water sport engines to clean the fuel system and improve performance
SaleNo. 9
BG 245 Premium Diesel Fuel System Cleaner
  • NEW FROM BG. NEW VERSION OF BG 244
  • Cleans entire diesel fuel injection system
  • Is especially effective in high pressure common rail engines
  • Removes hard deposits inside injectors
  • Improves cold start, lowers emissions, smoothes idle.
SaleNo. 10
Lucas Oil LUC10020 Fuel Treatment - 5.25 Oz, Multi-Colored
  • The product is 5, 25 ounce, fuel treatment, for gasoline LPG and diesel fuel, contains no alcohol/solvents/kerosene/diesel fuel, lubricates rings and cylinder walls for longer life, increases mileage, cleans and lubricates valves, pumps, carburetors, and injectors
  • Easy and simple use kit
  • The product is manufactured in China
  • A great tune-up in a bottle
  • Cleans and lubricates the fuel system
  • Neutralizes low sulfur fuel problems
  • Increases power and miles per gallon by burning excess exhaust emissions
  • Increases the life of pumps and injectors

Intro

Find out where you can get the best Fuel System Additives! Making your choice among different Fuel System Additives on the market is not always easy. It can also turn into a daunting task because of the many websites offering the same type of product. On this page, we will give you a comparison to get the best value for your money. This complete ranking provides you with a comprehensive view and allows you to pick the best Fuel System Additives. You will find a broad selection of models, brands, and prices. Whether you want to save money or find out what is the best Fuel System Additives for you, our comparison will help you make the right choice. To keep things practical and easy to understand, we created a Top 10 of the best Fuel System Additives. You won’t have to choose your products at random anymore.. On your marks! Compare! Pick your Fuel System Additives!

Our Picks

No. 1
Red Line (60103) Complete SI-1 Fuel System Cleaner - Gas and Injector Additive Treatment - 15 Oz Bottle
  • DESIGNED TO EXCEED EXPECTATIONS: Red Line complete SI-1 fuel system cleaner treatment for cleaning & preventing corrosion in fuel systems
  • PERFORM & PROTECT: Fuel additive cleans injectors, carburetors, valve & combustion chamber deposits with a powerful, concentrated blend of high-temp and low-temp detergents
  • EFFICIENT FUEL BURN: Gas treatment that enhances gasoline stability, while reducing the build up of gum and varnish formation
  • EASY TO USE: Use one bottle per tank for most effective treatment, additive cleans nearly 100% efficiency in one treatment
  • WHY RED LINE: Established in 1979, Red Line products perform & protect better than any on the market no compromises
No. 2
Star Tron Enzyme Fuel Treatment - Concentrated Gas Formula 8 oz - Treats 128 Gallons
  • Cures and prevents ethanol fuel problems; helps prevent phase separation
  • For everyday use and seasonal storage; stabilizes fuel for up to 2 years and can help rejuvenate old, sub-spec fuel
  • Makes engines start easily and run smoothly; improves fuel economy and reduces emissions
  • Cleans valves and injectors of carbon deposits, gums and varnish for maximum performance, increased fuel efficiency and reduced emissions
  • Concentrated formula #930XX is economical to use in large and small applications; safe for use in all engines (including 2-cycle pre-mix)
No. 3
Gumout 510016 All-in-ONE Complete Fuel System Cleaner, 10oz. (Pack of 6)
  • Complete fuel system cleaner improves performance across the fuel system
  • Uses PEA (polyether amine) to effectively remove carbon deposits other products can't
  • Conditions fuel to fight corrosion, extending the life of key engine parts
  • Reduces friction and wear in the upper cylinder, improving horsepower and fuel economy
  • Cleans direct and indirect fuel injectors, intake valves and ports, piston tops, cylinder heads, and combustion chamber

Why you should trust us?

This guide is the result of more than 10 years of experience in researching, testing, and writing about various subject. Our team members are experts in their fields. We spent 16 hours reading all the articles we could find online and all the customer reviews on various retail websites such as Amazon, Ebay, Alibaba or Flipkart. We also found many websites that provided valuable resources such as purchasing guides and detailed information on Fuel System Additives. To help you make the best choice among the hundreds of products available, we decided to offer you a comparison in order to find the best value for your money. We searched different fields to find the best Fuel System Additives. We also looked at the best alternatives for reasonably priced and easy to use products. After we determined our main parameters, we conducted our research and tests.These parameters separate a great product from an average one:

  • Price
  • Ease of use
  • Customer reviews
  • Quality
  • Durability

Conclusion

We hope this ranking was helpful to you in choosing the Fuel System Additives that best suits you. We made it thoroughly and we will update it regularly, so that you get a real-time comparison. Our goal is to allow you to compare models and prices, to get an overview of what the market has to offer. We are here to make it easier for you and to make informed decisions. If our ranking gave you a clearer view on the different products available, feel free to let us know in the comments section. We will happily read them.

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Last update on 2021-07-27 at 14:53 / Affiliate links / Images from Amazon Product Advertising API