Gas additive products have become essential for maintaining optimal engine performance and fuel efficiency. In 2025, the market offers a variety of top-rated gas additives that can help clean fuel systems, reduce emissions, and enhance overall engine health. From improving combustion to preventing fuel degradation, these additives cater to a range of needs for both everyday drivers and automotive enthusiasts. Whether you're looking to boost your vehicle's performance or simply maintain its longevity, exploring the best gas additives can lead to significant benefits.
SALE
−$2.66
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
$13.28
STA-BIL Fuel Stabilizer - 16oz
- 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
$10.99
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
$17.02
Gumout 510011 Multi-System Tune-Up, 16 oz.
- Revitalize Your Engine: Gumout Multi-System Tune-Up is your ultimate fuel treatment gasoline solution, effortlessly cleaning GDI injectors, carburetors, and more for peak performance and fuel economy.
- Ultimate Engine Protection: Our advanced carburetor cleaner fuel additive prevents future carbon buildup, ensuring your engine runs smoothly. Perfect for gas, diesel, or ethanol engines, from cars to lawn mowers.
- Comprehensive Care: As a powerful fuel tank cleaner, Gumout cleans and conditions fuel systems, fighting ethanol and water corrosion while stabilizing fuel to reduce emissions and maximize engine life.
- Versatile Application: Add this gas treatment for car engines directly to the gas tank, crankcase, or via induction. Whether you're cleaning a carburetor or stabilizing gas, Gumout Multi-System Tune-Up has you covered.
$7.98
Sea Foam Motor Treatment Fuel & Oil Additive, SF16, 16 oz, Pack of 12
- Add Sea Foam Motor Treatment to all fuel and oil systems to safely clean and lubricate critical engine areas.
- Cleans fuel injector and carburetor passageways, intake valves, and chamber deposits. Lubricates upper cylinders.
- Works in crankcase oil to liquefy harmful residues and deposits.
- Stabilizes gas and diesel fuels up to 2 years.
- Safe and effective in any gas or diesel fuel blend, and all motor oils, conventional or synthetic.
$139.00
Heet Iso-HEET Water Remover And Premium Fuel Line Antifreeze + Injector Cleaner Helps Increase Gas Mileage Improves Engine Performance Year Round Performance, 12 fl. oz. (28202) , Red
- Selling brand of premium gas-line antifreeze
- Absorbs 5 times more water than regular gas dryers
- Removes water from fuel system
- Prevents rust and corrosion
- This item is not for sale in Catalina Island
$2.98
Royal Purple 18000 Max Atomizer Fuel Injector Cleaner, 6 fl. oz.
- Restores fuel economy
- Stabilizes ethanol
- Maximizes horsepower
- Improves responsiveness
- For use in both gasoline and diesel engines
$8.06
STAR BRITE Star Tron Enzyme Fuel Treatment - Concentrated Formula 8 Ounce - Treats 128 Gallons - Fuel Stabilizer & Treatment, Gasoline Stabilizer, Star Tron Marine Enzyme Fuel Treatment (093008SS)
- 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
$10.48
B-12 0116 Chemtool Fuel Injector Cleaner, 15 Ounce, (Single Unit)
- Contains 100% High-Energy Solvent Technology
- Helps Keep Injectors Or Carb(S) And Intake Ports And Valves Clean
- Quickly Disperses Moisture And Dissolves Gum, Varnish, And Other Fuel Residues
- Disperses Moisture In Conventional Gasoline
$4.98
SALE
−$3.50
Hot Shot's Secret Gasoline Extreme 12 Oz, Concentrated Fuel System Cleaner, Fuel Additive for Gasoline Engines, Injector Cleaner - Increases MPG & Restores Engine Performance
- CLEANS FUEL STYSTEM: Hot Shot’s Secret Gasoline Extreme is designed to thoroughly clean, lubricate, and safeguard all components of a gasoline engine & fuel system, such as valves, pumps, injectors, rings, pistons, and upper cylinders.
- BOOSTS FUEL ECONOMY: By thoroughly cleaning the fuel system, this fuel additive boosts MPG up to 7.9%, ensures combustion efficiency, & engine power, resulting in a smoother & more efficient driving experience.
- FIXES ISSUES: This fuel treatment addresses common issues associated with rough-running engines in a single treatment. Designed to improve fuel economy, smooth out idling, & unclog fuel injectors, this will have your engine running great again!
- RESTORES PERFORMANCE: High-performance cleaner that utilizes P.E.A. technology to deeply clean & restore engine power, dissolve gum & varnish buildup, removes deposits from the combustion chamber, resulting in improved overall engine performance.
- EASY TO USE: With a simple application of 12 oz. for every 20 gallons of gasoline, this product is easy to use! Just pour it into your fuel tank during your next fill up or every 10,000 miles
$15.99
Last update on 2025-05-01 / Affiliate links / Images from Amazon Product Advertising API