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The Best Fuel System Additives

Looking for the best Fuel System Additives?

Discover now our comparison of the best Fuel System 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 Fuel System 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 Fuel System 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.

SaleNo. 1
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
  • Neutralizes sulfur and other harmful contaminants present in the fuel system
  • Increases the life of pumps and injectors
  • Prevents rust and corrosion, prolonging the life of engine and fuel system components
  • Complies with federal low sulfur content requirements for diesel motor vehicles and non-road, locomotive and marine diesel equipment engines
  • Safely replaces the need for lead in older engines without causing harmful effects
SaleNo. 2
Chevron Techron Concentrate Plus Fuel System Cleaner, 20 oz., Pack of 1
  • QUALITY ASSURED
  • Reduces: rough idle, engine surge, hesitation, and spark plus fouling
  • 20 oz. bottle.
  • Improves: cold start performance, and fuel stability for up to one year
SaleNo. 4
STA-BIL Storage Fuel Stabilizer | Keeps Fuel Fresh for 24 Months, Prevents Corrosion, Gasoline Treatment Fuel Additive that Protects Fuel System, Gas Stabilizer for Fuel Storage, 32 oz.
  • Keeps fuel fresh for up to 24 months during storage
  • Eliminates need to drain fuel prior to storage
  • Ensures quick, easy starts after storage
  • Effective in all gasoline, including ethanol blends
  • For all gasoline engines, including 2-cycle
No. 5
Lucas Oil Deep Clean Fuel System Cleaner, 5.25 Ounce (10669)
  • Fit type: Vehicle Specific
  • Package Dimensions: 19.304 H x 2.032 L x 2.794 W (centimetres)
  • Package Weight: 0.159 kilograms
  • Country of Origin : United States
  • Flash point: 68.0 degrees_celsius
SaleNo. 6
Archoil Diesel Fuel System Kit - AR6500 Diesel Treatment (40.6 oz) + AR6400-D Diesel Fuel System Cleaner
  • Includes AR6500 Diesel Treatment (40 oz)
  • Includes AR6400-D Diesel Fuel System Cleaner
  • Restore key fuel system components - injectors, turbo & dpf
  • Boost cetane, improve performance and MPG
  • AR6400-D is not the remedy for HEUI injector stiction. Please use AR9100 Friction Modifier instead
No. 7
Liqui Moly 2007 Jectron Gasoline Fuel Injection Cleaner - 300 ml , blue , 10.14 Fl Oz (Pack of 1 )
  • Eliminates starting problems, hesitation and stalling.Fit Type: Universal
  • Smoother idling
  • Better throttle response
  • Cleaner combustion
No. 8
STAR BRITE Star Tron Enzyme Fuel Treatment - Concentrated Formula 32 Fl. Oz. – Treats up to 512 Gallons - Fuel Stabilizer & Treatment, Gasoline Stabilizer, Star Tron Marine Enzyme Fuel Treatment
  • ALL-ROUND ENGINE SOLUTION - Works in all engines and all fuels, making it the ideal fuel treatment and stabilizer for any vehicle or gas powered tool
  • ETHANOL PROBLEM SOLVER - Prevents and cures most ethanol-related issues, including poor performance and decreased fuel economy
  • OLD FUEL REVITALIZER - Stabilizes fuel up to 2 years and can help rejuvenate old, sub-spec fuel, even after months of inactivity
  • FUEL ECONOMY MAXIMIZER - Removes and prevents gum, carbon deposits, and varnish build-up, resulting in improved fuel economy
  • WATER BUILD-UP PREVENTION - Disperses water throughout fuel as submicron-sized droplets that are safely eliminated while the engine operates
  • EMISSION REDUCER - Reduces smoke and emissions, a symptom of poor combustion which wastes gas and is harmful to our health & planet
  • EASY TO USE - Unlike other stabilizers, Star Tron can be mixed with any other fuel additive without worry of over dosing - No need for exact fuel amount or expensive measuring bottles
SaleNo. 9
STA-BIL In-Season Protection Fuel System Treatment | Full Protection Fuel System Cleaner, Injector Cleaner, Increases MPG, Prevents Corrosion, 32 Fl. Oz.
  • FUEL SYSTEM CLEANER: Cleanses the entire fuel system, including fuel injectors, lines, & fuel pumps, this formula removes water, gum, & varnish, ensuring optimal performance & longevity of your fuel system while preventing corrosion.
  • CORROSION PROTECTION: Industry-leading rust and corrosion protection for all internal fuel system parts.
  • MPG BOOSTER: Designed to optimize fuel performance which contributes to enhanced gas mileage & improved engine power. This advanced formula cleans & protects the fuel system, allowing for efficient combustion & prolonged engine life.
  • DIRECTIONS: Pour directly into fuel tank prior to fill up. Use 1 oz for every 5 gallons of fuel.
  • YEAR-ROUND PROTECTION: Pair STA-BIL In-Season Protection with STA-BIL Storage, providing a complete solution for both in-season operation & storage needs during the winter ensuring that your equipment remains in peak condition year-round.
  • FUEL STABILIZER: Stabilizes fuel in-season for gasoline sitting in collector cars, gas cans, etc. For specific storage needs, use our storage fuel stabilizer product.
No. 10
Archoil AR6500 Diesel Treatment (40.6 oz) - Treats 400 Gallons - Additive for All Diesel Vehicles
1,163 Consomer Reviews
Archoil AR6500 Diesel Treatment (40.6 oz) - Treats 400 Gallons - Additive for All Diesel Vehicles
  • 40.6 oz bottle treats 400 gallons - Use at every fill-up
  • Formulated to address issues with modern diesel fuels to restore and maximize performance and fuel economy (MPG)
  • The only diesel treatment to clean the post-combustion system (turbo, DPF) to prevent premature failure and reduce regeneration frequency
  • Incorporates Archoil's proven combustion modifier technology and a strong cetane boost to increase power and response
  • Cleans, lubricates and protects your fuel system (including HPCR systems)

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Last update on 2025-04-15 / Affiliate links / Images from Amazon Product Advertising API