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10 Best gasoline additives of 2026
Save up to 20% off
Best Choice1
104+9.9Exceptional
104+ Performance(10406-6PK) Octane Boost - Boosts Octane And Cleans injectors To Improve Engine Performance - Improve Gas Mileage - 1 Bottle Treats Up To 18 Gallons, 16 fl. oz. 6 Pack
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product dimensions: 3.5 x 2 x 9 inches
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item weight: 1.05 pounds
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item model number: 10406-6PK
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best sellers rank: 18,808 in Automotive See Top 100 in Automotive 6 in Octane Boosters
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domestic shipping:Item can be shipped within U.S.
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Value for Money2
Chevron9.7Exceptional
Chevron 67740-CASE Techron Concentrate Plus Fuel System Cleaner - 12 oz. (Pack of 6)
20% Off-
Recommended Use Interval:Every 3,000 miles or at next oil change
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Fuel System Coverage:Fuel injectors, carburetors, intake valves, combustion chambers
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Package Quantity:6
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Type:Fuel System Cleaner
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Volume per Bottle:12 oz.
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3
Sea Foam9.6Exceptional
Sea Foam Motor Treatment | Fuel System Cleaner, Fuel Stabilizer & Oil Treatment | Gas & Diesel Additive for Cars & Trucks | 16 oz, Pack of 3
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4
Hot Shot's Secret9.5Excellent
Hot Shot’s Secret Gasoline Extreme 12 oz – Treats 20 Gallons – Concentrated Fuel Additive for Gasoline Engines, Fuel System and Injector Cleaner, Restores Engine Performance
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5
Lucas Oil9.3Excellent
Lucas Oil 10013 Fuel Treatment - 1 Gallon
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Function:Cleans and lubricates fuel system
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Compatibility:Gasoline and diesel engines
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Compliance:Complies with federal low sulfur content requirements
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Application:Fuel Treatment
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Volume:1 Gallon
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6
Liqui Moly9.2Excellent
Liqui Moly Pro-Line Gasoline System Cleaner | 500 ml | Petroladititive | SKU: 2030
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7
STA-BIL9.1Excellent
STA-BIL 360 Marine Fuel System Treatment, 32 oz – Treats 320 Gallons – Fuel System Cleaner & Injector Cleaner for Boats & Watercraft, Removes Water, Prevents Corrosion & Ethanol Damage
13% Off-
product dimensions:10.94 x 9.74 x 9 inches
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item weight:1.93 pounds
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special features:DIRECTIONS – Bottle Directions: To measure small quantities: remove small cap and seal (on long neck), squeeze bottle to desired level, and pour. To measure large quantities: remove large cap and seal, pour (measurements on bottle side). Usage Directions: 1 oz (30 mL) treats up to 10 gallons (38 L) of fuel. Recommended for use at every fill up in season for year-round performance and protection., IMPROVES PERFORMANCE – By combating the effects of harsh marine climates, this fuel additive helps to clean your fuel system. With gasoline pumping through your engine, it is imperative to use this fuel treatment in fresh gas at every fill up in order to ensure your engine is operating at peak performance., PREVENTS CORROSION – STA-BIL 360 Marine Ethanol Treatment & Fuel Stabilizer is the ultimate treatment and protection against ethanol blended fuels. This formula contains PEA fuel system cleaners, and it removes water from your gas tank which prevents gum, varnish, rust, and corrosion from appearing., SHELF LIFE – 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! Proudly made in the USA by a family-owned company in Chicago, Illinois., VERSATILE – STA-BIL 360 Marine is an alcohol-free water remover that is very concentrated, and the 32 oz. bottle can be used to treat up to 320 gallons of fuel. This marine fuel stabilizer keeps fuel fresh up to 12 months, and it is safe for use in your boat, jet ski, and every gasoline-powered watersport engine.
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oem part number:GDE22240
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item model number:22240
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8
STAR BRITE8.8Very Good
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
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product dimensions: 3 x 4.5 x 10.25 inches
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item weight: 1.9 pounds
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special features:N/A
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oem part number:N/A
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item model number: 093032SS
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9
Gumout8.7Very Good
Gumout 510013W-6PK Fuel System Cleaner, 6 Pack
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10
BG8.5Good
BG 44K Fuel System Cleaner
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