Best Stanadyne Fuel System Additives in 2026

STORAGE – STA-BIL Storage Fuel Stabilizer eliminates the need to drain fuel and keeps gasoline fresh for up to 24 months. Never fear your car or small engine refusing to start due to fouled fuel. This product is effective in all gasoline and ethanol blended fuels including E-10 through E-85

ENSURES QUICK, EASY STARTS – Treating your gas with this fuel stabilizer prevents gum, varnish, rust, and corrosion in your fuel tank, all of which are costly to repair. The 16 oz. bottle of this alcohol-free fuel additive treats up to 40 gallons of fuel, and it is perfect to use prior to storing either your vehicle or outdoor power equipment for an extended period

VERSATILE – STA-BIL Storage Fuel Stabilizer is safe for use in all gasoline engines, including 2-cycle. Use this fuel treatment in your vehicle, motorcycle, lawn mower, snow blower, boat, and generator

RESTORES PERFORMANCE: Fuel injector cleaner cleans entire fuel system to help restore lost engine power

INCREASED RESPONSIVENESS: Helps restore lost acceleration and throttle body response

REDUCES CARBON DEPOSITS: Injector cleaner helps remove carbon buildup for increased power and acceleration

QUALITY ASSURED

Reduces: rough idle, engine surge, hesitation, and spark plus fouling

20 oz. bottle.

Item Package Dimension: 11.749999988015L x 3.249999996685W x 3.249999996685H inches

Item Package Weight - 1.99959271634 Pounds

Item Package Quantity - 1

Helps your entire fuel system run smoother and last longer

Cleans fuel injectors and carburetor passageways

Cleans intake valves and chamber deposits

No.1 selling brand of gas-line antifreeze and water remover

Safe for use in all 4-cycle engines including fuel injected engines

Prevents gas-line freeze up

America's #1 ethanol treatment - helps prevent ethanol fuel related adage in marine engines

Prevents corrosion caused by ethanol blended fuels

Increases engine power and efficiency

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

Use in gas, ethanol/flex fuel, diesel & biodiesel engines

Restores fuel economy and improves engine performance

PEA (polyetheramine) effectively removes carbon deposits from the entire fuel & oil systems

Makes engines start easily and run smoothly; improves MPG and reduces emissions

Stabilizes fuel for up to 2 years and can help rejuvenate old, sub-spec fuel

Cures and prevents ethanol fuel problems; helps prevent phase separation

Fuel system cleaner quickly cleans fuel injectors, valves and combustion chambers

One can will treat 20 gallons of gasoline

Restores performance and gas mileage

EXTEND THE LIFE OF YOUR VEHICLE: zMAX Engine & Fuel formulas are simple and easy to use. Micro-lubrication soaks into metal surfaces, which improves lubricity and reduces carbon deposit build-up while boosting performance and protecting vital vehicle parts.

ENGINE EFFICIENCY: Add zMAX Engine Formula to gain efficient combustion resulting in more power. Use the engine treatment at your routine oil change or every 6k miles to reduce engine wear, lower emissions and keep your engine running smoothly.

FUEL CONDITIONER: Pour zMAX Fuel Formula in the fuel tank to lubricate and maintain a clean fuel injector system. It conditions the pumps and nozzles reducing carbon residue from the valves and pistons while improving fuel efficiency and performance.

Increases power output

Restores flow to fuel injectors

Removes accumulated deposits from the oxygen sensor

Formulated to help save gas and lower emissions by deep cleaning the entire fuel system

Formulated to help restore peak performance and reduce friction by lubricating engine parts

Formulated to help prevent ethanol deposits and inhibit corrosion

Six in one: equal to a bottle of regular injector & complete fuel system cleaner, upper cylinder lubricant, fuel stabilizer and conditioner, dry gas, gas treatment and octane booster

Increase power and performance: boosts octane, power, performance and mileage, stabilizes gas, lubricates and protects

Save gas: cleans and lubricates the complete fuel system; engine dynamometer tests show improved fuel economy

Save gas by keeping fuel intake system clean

Helps restore performance

Removes deposits from entire fuel system

Selling brand of premium gas-line antifreeze

Absorbs 5 times more water than regular gas dryers

Removes water from fuel system

DESIGNED TO EXCEED EXPECTATIONS: Red Line complete SI-1 fuel system cleaner treatment for cleaning and preventing corrosion in fuel systems

PERFORM AND PROTECT: Fuel additive cleans injectors, carburetors, valve and 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

Includes AR6500 Diesel Treatment (40 oz)

Includes AR6400-D Diesel Fuel System Cleaner

Restore key fuel system components - injectors, turbo & dpf

Cleans the injection system as well as the intake valves and combustion chamber

Improves performance

Prevents corrosion in the fuel system

Also, water, oxygen, and sulfur are often present in varying amounts in the fuel we use. Even trace amounts of these contaminants can lead to oxidation and corrosion in storage tanks and fuel systems. BG CF5 fuel system cleaner prevents deposits throughout the entire fuel system

Added at each oil change, it will keep injectors, pistons, fuel intake components and sensors clean and free of damaging deposits and corrosion.

BG CF5 - Restores fuel economy, - Restores horsepower, - Prevents increased harmful emissions, - Maintains engine performance. BG CF5 restores power and efficiency and protects against the harmful effects of ethanol. B

3-in-1 fuel additive keeps new engines clean and improves vehicle's performance

Improves fuel economy an average of 3.2 percent

Increases horsepower an average of 2.6 percent

Cleans Fuel System – Deeply cleans, lubricates, and protects any gasoline fuel system and engine including valves, pumps, injectors, rings, pistons, and upper cylinders

Increases Fuel Economy – Boosts MPG by up to 7.9% after the fuel system is fully cleaned by providing an effective boost in combustion, fuel economy, and engine power

Restores Performance – Acts as an engine flush to restore engine power while also working to dissolve gum and varnish, and remove combustion chamber deposits

Gas treatment and injector cleaner for use with all grades of gasoline and ethanol-blend fuel

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

Removes deposits from port fuel injectors to keep injectors functioning properly, ensuring unrestricted fuel flow

Cleans intake valve deposits to help eliminate starting issues and ensure maximum drivability

Cleans combustion chambers to assist in eliminating engine knocking, pinging, and run-on in older vehicles, and loss of power and acceleration in knock-sensor equipped vehicles

Increase power, performance, mileage and save gas: Cleans by not only the entire emissions and exhaust system, but the fuel system as well. Works with gasoline, ethanol and hybrid vehicles.

Save on expensive fuel system and emission control repairs: Regular use every 5,000 miles tunes-up the fuel, emissions and exhaust systems keeping them clean and preventing the CEL light from returning.

Will not void manufacturer’s new vehicle warranty: Specifically designed and safe to use on vehicles which have oxygen sensors and catalytic converters. Exceeds EPA compliance performance criteria.

Prevent deposits

Save gas

Prevent fuel line freezes

Formulated to treat diesel fuel systems in one application for convenience

Cleans nozzle and internal injector deposits to help restore power and engine performance

Complies with Federal sulfur content requirements for use in diesel motor vehicles and non-road engines

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