Best Fuel Additive For Generators in 2022

Sometimes it might be quite difficult to find the best fuel additive for generators. With every niche market offering so many different products, it makes sense that this is the case.

Unfortunately, this very fact can make it incredibly difficult to find the item that best suits your needs, which is why we’ve put together this fuel additive for generators buying guide.

Our Best Picks:

The 15 Top Fuel Additive For Generators Reviews:

Bestseller No. 1
STA-BIL Storage Fuel Stabilizer - Keeps Fuel Fresh For Up To Two Years, Effective In All Gasoline Including All Ethanol Blended Fuels, For Quick, Easy Starts, Treats Up To 40 Gallons, 16oz (22207) , Red
  • 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
  • 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 2.5 gallons (9.5 L) of fuel. Use STA-BIL only with fresh fuel and keep gas can or tank 95% full to avoid condensation build up during storage. Run engine for 5 minutes after adding product to treat entire fuel system
  • 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
SaleBestseller No. 2
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, Improves MPG & More
  • ENZYME FUEL TREATMENT – Star Tron Enzyme Fuel Treatment Small Engine Formula improves the combustibility of all fuel - meaning more power and better fuel economy. 1 oz. treats 6 gallons of fuel (bottle treats 96 gallons total).
  • STABILIZES FUEL FOR UP TO 2 YEARS – Star Tron fuel additive is ideal for everyday use and seasonal storage. It can stabilize fuel for up to 2 years and can help rejuvenate old, sub-spec fuel. Use with every refill.
  • MAX PERFORMANCE – Star Tron gasoline stabilizer helps improve MPG, eliminate black soot and exhaust stains, reduce emissions, remove carbon build-up, and eliminate and prevent ethanol fuel problems for maximum performance.
  • VERSATILE – Star Tron fuel stabilizer utilizes enzyme technology to enhance the performance of small engines, power equipment, boats, cars, motorcycles and more.
  • SAFE FOR ALL ENGINES – Star Tron Enzyme Fuel Treatment works with regular and ethanol blended gasoline (E5, E10, E15, E20, E25); Safe for use in all engines including ones that use 2-stroke pre-mix fuel.
SaleBestseller No. 3
Star Tron Enzyme Fuel Treatment - Concentrated Formula 32 oz - Treats 512 Gallons
  • ENZYME FUEL TREATMENT – Star Tron Enzyme Fuel Treatment Concentrate improves the combustibility of all fuel - meaning more power and better fuel economy. It keeps working to clean your fuel delivery system, so your engines start easily and run strong.
  • STABILIZES FUEL FOR UP TO 2 YEARS – This fuel additive is ideal for everyday use and seasonal storage. It can stabilize fuel for up to 2 years and can help rejuvenate old, sub-spec fuel.
  • MAX PERFORMANCE – This gasoline stabilizer helps improve MPG, eliminate black soot and exhaust stains, reduce emissions, remove carbon build-up, and eliminate and prevent ethanol fuel problems for maximum performance.
  • VERSATILE – This revolutionary fuel stabilizer utilizes enzyme technology to enhance the performance of boats, automobiles, trucks, RVs, tractors, farm equipment, generators, lawnmowers, lawn equipment, oil burning furnaces and all other small engines.
  • SAFE FOR ALL ENGINES – Star Tron Enzyme Fuel Treatment concentrated formula #930XX is economical to use in large and small applications. It works with ethanol fuel and is safe for use in all engines (including 2-cycle pre-mix).
Bestseller No. 4
STA-BIL 360 Protection Ethanol Treatment & Fuel Stabilizer - Prevents Corrosion Caused By Ethanol Blended Fuel, Helps Increase Engine Power and Fuel Efficiency, Treats Up To 160 Gallons, 32oz (22275)
  • PREVENTS ETHANOL DAMAGE – STA-BIL 360 Protection Ethanol Treatment & Fuel Stabilizer prevents corrosion caused by ethanol blended fuel. Effective in all gasoline blends, including ethanol and non-ethanol, this product helps increase engine power and fuel efficiency.
  • STORAGE – Although this fuel additive is engineered for use in fresh fuel at every fill up, it stabilizes fuel for up to 12 months. As America's #1 Ethanol Treatment, you can trust STA-BIL 360 Protection to keep your vehicle or gasoline-powered small engine equipment running at peak performance.
  • VERSATILE – The 32 oz. bottle of this alcohol-free fuel additive treats up to 160 gallons of fuel, and it is safe for use in all gasoline engines, including 2-cycle. By preventing the buildup of unwanted gum and varnish, this product is recommended for use in your vehicle, motorcycle, lawn mower, snow blower, boat, generator, and more.
  • 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 5 gallons (19 L) of fuel. Recommended for use at every fill up in season for year-round performance and protection.
  • 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.
Bestseller No. 5
STA-BIL Fast Fix Small Engine Treatment - Cleans Carbs and Injectors - Fixes Rough Running Engines - Eliminates Water - Treats 10 Gallons, 4 fl. oz. (22303), Green
  • Fixes poor/non-running engines by eating the gum and varnish that causes rough starts, or no starts
  • Fixes issues caused by ethanol blended fuels
  • Cleans the entire fuel system - Simultaneously cleans injectors/carburetors while cleaning the rest of the fuel system
  • Prevents the need to disassemble the engine and is compatible with ALL small engines including snow blowers, lawn mowers, chainsaws, generators, and more!
  • Treats 10 gallons
Bestseller No. 6
STAR BRITE Star Tron Enzyme Fuel Treatment SEF Gasoline Formula - 1 oz. Treats 6 Gallons - 8 OZ (14308)
  • 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
  • Cleans valves & injectors of carbon deposits, gums and varnish
  • Small Engine Formula 14308 is safe for use in all engines (including 2-cycle pre-mix)
SaleBestseller No. 8
Lucas Oil LUC10020 Fuel Treatment - 5.25 Oz, Multi-Colored
  • The product is 5, 25 oz, fuel treatment, for gasoline lpg and diesel fuel, contains no alcohol/solvents/kerosene/diesel fuel, lubricates rings and cylinder walls for longer life, increases mileage, cleans and lubricates valves, pumps, carburetors, and injectors
  • Easy and simple use kit
  • Increases power and miles per gallon by burning excess exhaust emissions
  • Increases the life of pumps and injectors
  • Cleans and lubricates the fuel system
SaleBestseller No. 9
Star brite Star Tron Gasoline Additive (8 oz)
  • Quality aftermarket replacement and original parts and accessories
  • Parts that match or exceed OEM standards
  • Reliable and durable with OEM or higher quality
SaleBestseller No. 10
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
Bestseller No. 12
STA-BIL Start Your Engines! - Fixes Non-Running Engines - A Jump Start In A Can - Revitalizes Fuel System - Safe For 2 And 4-Cycle Engines - Ensures Quick, Easy Starts, 2 fl. oz. (21214)
  • Additive ensures quick easy starts after extended storage
  • Ensures smooth idling and performance in season
  • For all 2 and 4-cycle small engines
  • Revitalizes fuel and the entire fuel system
  • Made in the U.S.A.
SaleBestseller No. 13
STA-BIL Small Engine Pro Multi-System Additive - Protects Against Ethanol - Cleans Carb And Injectors - Improves Engine Efficiency - Lubricates Valves And Pistons, 16 fl. oz. (22305) , Red
  • Clean and improve your fuel system with Small Engine Pro, a gasoline/oil additive that helps restore lost engine power and performance, by cleaning out gum and varnish
  • Keeps internal engine components lubricated and free, providing longevity to internal engine parts
  • With optimal lubrication and cleaning, this formula effectively quiets noisy engines
  • Protects Against Ethanol - Corrosion Inhibitors provide the ultimate protection against the harmful effects of Ethanol
  • Safe for use in all gas powered small engine equipment including lawn mowers, trimmers, chainsaws, pressure washers, edgers, snow blowers, generators and more!
Bestseller No. 14
PRI CP123 G Gasoline Treatment - 16 oz.
  • 16 ounce bottle treats up to 256 gallons
  • Provides improved fuel economy - 5 to 15%
  • Preserves stored fuels in refinery fresh condition for years
  • Improves power output
  • Reduces HC and NOX emissions

Last update on 2022-12-08 / Affiliate links / Images from Amazon Product Advertising API

How to find the best fuel additive for generators?

Here, we’ll be going over a number of factors that you can use to ensure that you’re purchasing the best fuel additive for generators for you.

Regardless of which type of item you’re looking to buy, chances are that there are existing buying guides on the internet, all of which aim to give you good fuel additive for generators recommendations.

Despite these recommendations, however, it’s always a good idea to do your own research. In addition to this research, asking yourself the following questions is also super helpful:

  • What features does the fuel additive for generators need to have to be perfect for my needs?
  • What is my budget?
  • Do I need to purchase a certain brand?

Once you’ve answered these questions and have a good idea of what you’re looking for and the buying process becomes much easier. Keep in mind that when looking for the best product, there’s no need to rush. In fact, very rarely are the ideal products found by choosing the first one you see or by basing your decisions on only one factor. Take your time and enjoy the process!

Now, with the answers to the previous questions in mind, we urge you to use our upcoming buying guide for fuel additive for generators to find what you’re looking for:

Brand

In some cases, the brand of fuel additive for generators is very important. For example, if you’re looking for an item that works in tandem with another, you might very well need both products to be the same brand. If this is the case, it’s vital to pay attention to this factor, as choosing the wrong product can mean the difference between wasting your money and buying a great product that functions as it should.

Features

The features in any given fuel additive for generators are important because they can dictate which version of an item you need and how much money you need to spend. Consider all the key features that you want your item to have and don’t settle for anything that doesn’t check at least ¾ of your boxes.

Reviews

Customer reviews about fuel additive for generators are crucial – especially when you’re buying a product that costs a lot of money or serves a big importance. Luckily, most products can be found online, which means that it’s common for there to be scores of customer reviews from those who have already purchased any given product.

Pay attention to these reviews. Take note of the pros and cons that they mention, and factor these into your big decision. In some cases, you’ll be forced to sacrifice one con in order to gain a particular pro, but being aware of the potential con is going to be beneficial in either case.

Quality

Of course, quality is key. You don’t want to purchase a low-quality product. If you do, you run the risk of your item breaking, not working properly, or otherwise proving to be very disappointing, as well as a waste of money.

You can compare fuel additive for generators quality by researching what your potential purchases are made from, contrasting the individual items against each other to discern which one is made of the best materials.

Warranty

Warranty isn’t always going to be important, but it definitely can be. This is especially true if the item in question is tech-related or expensive. A good warranty will be valid for an extended time after purchase and cover a variety of problems ranging from item defects to random accidents, water damage, and other miscellaneous events that could ruin your product.

Conclusion

The quest to find the best fuel additive for generators can be daunting – but it doesn’t have to be. It can be made much easier by asking yourself a few simple questions and then thinking critically about the items you want to buy. Consider their features, quality, brand, warranty, and customer reviews and you’re more likely to make a great purchase.