Top 8 Best Boat Fuel Additive

of June 2024
1
Best ChoiceBest Choice
STA-BIL
STA-BIL

10
Exceptional
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2
Best ValueBest Value
STAR BRITE Star Tron Enzyme Fuel Treatment - Concentrated Formula 32 oz - Treats 512 Gallons
STAR BRITE
STAR BRITE

9.9
Exceptional
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3
STA-BIL 360 Marine Ethanol Treatment & Fuel Stabilizer - Prevents Rust and Corrosion, Helps Clean Fuel System For Improved In-Season Performance, Treats Up To 320 Gallons, 32oz (22240) , Blue
STA-BIL
STA-BIL

9.8
Exceptional
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4
Gold Eagle 22240 32 Oz Marine Formula Sta-Bil 2 Pack
Gold Eagle
Gold Eagle

9.7
Exceptional
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5
STAR BRITE Star Tron Enzyme Fuel Treatment, Small Engine Formula, 16 Fl Oz Treats up to 96 Gals Gas Additive Rejuvenates & Stabilizes Old Gasoline, Cures & Prevents Ethanol Problems
STAR BRITE
STAR BRITE

9.6
Exceptional
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6
Mercury Quickare Fuel Treatment Additive - 8M0047920
Quicksilver
Quicksilver

9.5
Excellent
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7
Mercury Marine/Mercruiser Quickare Fuel Treatment, 12 Ounces 92-8M0047930
Mercury Marine
Mercury Marine

9.4
Excellent
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8
Mercury Marine Quickleen Engine and Fuel System Cleaner, 12 Ounces 92-8M0047931
Mercury Marine Mercruiser
Mercury Marine Mercruiser

9.3
Excellent
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9
STAR BRITE Star Tron Fuel Tank Cleaner - Remove Sludge, Varnish & Other Deposits - Rejuvanate Old, Stale Fuel - Concentrated Formula Works In Gas Tanks & Diesel Tanks 64 OZ (093664)
STAR BRITE
STAR BRITE

9.2
Excellent
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10
Star brite Star Tron Gasoline Additive (8 oz)
STAR BRITE
STAR BRITE

9.1
Excellent
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About Boat Fuel Additive

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STA-BIL Marine Tune-Up Fuel Treatment Cleans Carburetors and Injectors Fixes Rough Running Engines Eliminates Water Treats up to 20 Gallons 8 oz. (22313), Blue, 8oz

Fixes Rough Running Engines Eats away at gum, varnish, and other residue that causes hard starts and rough running engines. This fuel treatment also maximizes your MPGs by helping your engine burn fuel more efficiently.. Eliminates Water Removes water from your marine fuel system by penetrating deep into the fuel line. Compatible with all watersport engines including smaller boats, personal watercraft, jet skis, and more.. Prevents Ethanol Damage A long-lasting protective coating guards your entire fuel system against damaging rust and corrosion caused by moisture and ethanol fuels. Directions Use 1 oz. of STA-BIL Marine Tune-Up per 2.5 gallons of fuel. Pour the product directly into your fuel tank and top off with fresh fuel. Start the engine and leave it running for 15 minutes. 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..

STAR BRITE Star Tron Enzyme Fuel Treatment - Concentrated Formula 32 oz - Treats 512 Gallons

UNLEASH YOUR ENGINE'S FULL POTENTIAL - Star Tron Enzyme Fuel Treatment uses advanced enzyme technology to ensure all engines start easily and run smoothly, even after months of inactivity. SAY GOODBYE TO ETHANOL-RELATED PROBLEMS - Prevents and cures most ethanol-related issues, including poor performance, rough idling, and decreased fuel economy, giving you peace of mind on the road or on the water. MAXIMIZE FUEL ECONOMY - By removing and preventing gum, carbon deposits, and varnish build-up, Star Tron keeps your fuel delivery system clean, resulting in improved fuel economy. WORKS FOR ALL ENGINES AND FUEL TYPES - Whether you have a car, boat, RV, or lawn mower, Star Tron works in all engines and all fuels, making it the ideal fuel treatment and stabilizer for any vehicle. PREVENT WATER BUILD-UP - Helps prevent phase separation by dispersing water throughout fuel as submicron-sized droplets that are safely eliminated while the engine operates, keeping your engine running smoothly in humid or wet conditions. REVITALIZE OLD FUEL - Star Tron stabilizes fuel up to 2 years and can even help rejuvenate old, sub-spec fuel. REDUCE EMISSIONS SAVE MONEY - Star Tron reduces smoke and emissions which are a symptom of poor combustion which wastes gas and is harmful to our health planet. GET MORE BANG FOR YOUR BUCK with Star Tron - At just one fluid ounce per sixteen gallons of fuel, Star Tron Fuel Treatment Formula 930 is an incredibly cost-effective solution for optimizing engine performance and efficiency. MADE IN THE USA - Star brite products have been made with pride in the USA since 1973.

STA-BIL 360 Marine Ethanol Treatment & Fuel Stabilizer - Prevents Rust and Corrosion, Helps Clean Fuel System For Improved In-Season Performance, Treats Up To 320 Gallons, 32oz (22240) , Blue

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. 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. 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. 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. 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.

Gold Eagle 22240 32 Oz Marine Formula Sta-Bil 2 Pack

Best ethanol-blended fuel enhancer. More than four times the fuel system cleaner than in regular stabil fuel stabilizer. Double the corrosion preventer than in regular stabil fuel stabilizer. Prevents corrosion from moisture and water attraction. Improves marine engine performance year round, not just for seasonal storage.

STAR BRITE Star Tron Enzyme Fuel Treatment, Small Engine Formula, 16 Fl Oz Treats up to 96 Gals Gas Additive Rejuvenates & Stabilizes Old Gasoline, Cures & Prevents Ethanol Problems

UNLEASH YOUR ENGINE'S FULL POTENTIAL - Star Tron Enzyme Fuel Treatment uses advanced enzyme technology to ensure all engines start easily and run smoothly, even after months of inactivity. SAY GOODBYE TO ETHANOL-RELATED PROBLEMS - Prevents and cures most ethanol-related issues, including poor performance, rough idling, and decreased fuel economy, giving you peace of mind on the road or on the water. MAXIMIZE FUEL ECONOMY - By removing and preventing gum, carbon deposits, and varnish build-up, Star Tron keeps your fuel delivery system clean, resulting in improved fuel economy. WORKS FOR ALL ENGINES AND FUEL TYPES - Whether you have a car, boat, RV, or lawn mower, Star Tron works in all engines and all fuels, making it the ideal fuel treatment and stabilizer for any vehicle. PREVENT WATER BUILD-UP - Helps prevent phase separation by dispersing water throughout fuel as submicron-sized droplets that are safely eliminated while the engine operates, keeping your engine running smoothly in humid or wet conditions. REVITALIZE OLD FUEL - Star Tron stabilizes fuel up to 2 years and can even help rejuvenate old, sub-spec fuel. REDUCE EMISSIONS SAVE MONEY - Star Tron reduces smoke and emissions which are a symptom of poor combustion which wastes gas and is harmful to our health planet. Try Star Tron Enzyme Fuel Treatment today and experience the difference. GET MORE BANG FOR YOUR BUCK - At just one fluid ounce per six gallons of fuel, Star Tron Fuel Treatment is an incredibly cost-effective solution for optimizing engine performance and efficiency. MADE IN THE USA Star brite products have been made with pride in the USA since 1973.

Mercury Quickare Fuel Treatment Additive - 8M0047920

Maximizes engine performance with all grades of gasoline, including ethanol-blend fuel. Removes varnish and gum deposits from fuel lines, tanks, carburetors, injectors, intake valves and spark plugs. Help control corrosion, gum and varnish build-up and phase separation associated with ethanol-blended gasoline. Helps keep fuel fresh for up to three months. Can be used at every fuel tank fill-up. One ounce treats 10 gallons of gasoline. See your owner's manual or service manual for specific applications and instructions. Manufacturer part number 8M0047920.

Mercury Marine/Mercruiser Quickare Fuel Treatment, 12 Ounces 92-8M0047930

Keeps your fuel fresh for up to three months. Sold Each. Please verify your own fitment. item package weight 8.0 pounds.

Mercury Marine Quickleen Engine and Fuel System Cleaner, 12 Ounces 92-8M0047931

Quickly and thooughly remove carbon deposits from carberators and injectors, intake valves, spark plugs, piston crowns cylinder heads. Prevent engine knocking and piston seize up. Extend spark plug life. Use with Mercury Quickstor and Mercury Quickare.

STAR BRITE Star Tron Fuel Tank Cleaner - Remove Sludge, Varnish & Other Deposits - Rejuvanate Old, Stale Fuel - Concentrated Formula Works In Gas Tanks & Diesel Tanks 64 OZ (093664)

A powerful and safe way to eliminate damaging sludge and gum from aged or contaminated fuel tanks. Unclog fuel lines while rejuvenating old, stale gasoline and diesel fuel. Does not contain any chemical strippers, alcohol or detergents and is safe for use in all engines. A cost effective alternative to expensive fuel polishing and tank cleaning. Concentrated 1 ounce for every 4 gallons of gas or diesel fuel - 64 ounce cleans 256 gallon tank.

Star brite Star Tron Gasoline Additive (8 oz)

UNLEASH YOUR ENGINE'S FULL POTENTIAL - Star Tron Enzyme Fuel Treatment uses advanced enzyme technology to ensure all engines start easily and run smoothly, even after months of inactivity. SAY GOODBYE TO ETHANOL-RELATED PROBLEMS - Prevents and cures most ethanol-related issues, including poor performance, rough idling, and decreased fuel economy, giving you peace of mind on the road or on the water. MAXIMIZE FUEL ECONOMY - By removing and preventing gum, carbon deposits, and varnish build-up, Star Tron keeps your fuel delivery system clean, resulting in improved fuel economy. WORKS FOR ALL ENGINES AND FUEL TYPES - Whether you have a car, boat, RV, or lawn mower, Star Tron works in all engines and all fuels, making it the ideal fuel treatment and stabilizer for any vehicle. PREVENT WATER BUILD-UP - Helps prevent phase separation by dispersing water throughout fuel as submicron-sized droplets that are safely eliminated while the engine operates, keeping your engine running smoothly in humid or wet conditions. REVITALIZE OLD FUEL - Star Tron stabilizes fuel up to 2 years and can even help rejuvenate old, sub-spec fuel. REDUCE EMISSIONS SAVE MONEY - Star Tron reduces smoke and emissions which are a symptom of poor combustion which wastes gas and is harmful to our health planet. GET MORE BANG FOR YOUR BUCK with Star Tron - At just one fluid ounce per sixteen gallons of fuel, Star Tron Fuel Treatment Formula 930 is an incredibly cost-effective solution for optimizing engine performance and efficiency. MADE IN THE USA - Star brite products have been made with pride in the USA since 1973.