Prices, Promotions, styles, and availability may vary. Our local stores do not honor online pricing. Prices and availability of products and services are subject to change without notice. Errors will be corrected where discovered, and Lowe's reserves the right to revoke any stated offer and to correct any errors, inaccuracies or omissions including after an order has been submitted.

Related Searches

Related Products

10-oz 2-cycle or 4-cycle engines Fuel Additive

STA-BIL   10-oz 2-cycle or 4-cycle engines Fuel Additive

STA-BIL fuel stabilizer keeps gas fresh for up to 24 months. This eliminates the need to drain fuel before storing your equipment and ensures quick easy starts the next time you go to fire it up.

8-oz 2-cycle or 4-cycle engines Fuel Additive

Mechanic In A Bottle   8-oz 2-cycle or 4-cycle engines Fuel Additive

8 oz Fuel Treatment Gas & Diesel – Cleans Carburetors / Injectors / Gum & Varnish, Eliminates Water, Fix & Maintain Poor or Non-Running Engines, Maintain Peak Performance. Tired of engines that will not start or run rough? Do you want to keep your engine and equipment running better longer? Relied on by professionals and Do-It-Yourselfers, Mechanic In A Bottle is the fastest, easiest fix for fuel-related engine problems—no tools, repair bills, or hassle – just pour in the tank! This powerful formula restores old fuel, cleans carburetors and injectors on the machine, encapsulates water so it burns out clean, dissolves varnish buildup, quickly restoring any engine back to peak performance. For small equipment (mowers, trimmers, chainsaws, generators), use before your first start in the spring for easy starting after storage or sitting. Use all year (monthly or each fill-up) to maintain equipment and engines at top shape for peak performance and reliability. A must-have in your tool kit, It helps save your fuel, fuel system, engine, and wallet! Avoid wasting time and money—fix it fast and keep it running its best with Mechanic In A Bottle!

12-oz 2-cycle or 4-cycle engines Fuel Additive

Toro   12-oz 2-cycle or 4-cycle engines Fuel Additive

Toro Premium Fuel Treatment helps ensure clean, reliable engine performance and protection. Good for your lawnmowers, snow blowers, weed wackers, leaf blowers and other small engine power equipment. Using Toro Fuel Treatment with every fill up provides protection for two and four cycle small engines.

2-oz 2-cycle or 4-cycle engines Fuel Additive

Start Your Engines!   2-oz 2-cycle or 4-cycle engines Fuel Additive

STA-BIL START YOUR ENGINES! fuel system revitalizer is designed to ensure easy starting of 2 and 4 cycle motors, smooth rough idling and stalling, and helps remove gum and varnish from throttle plate and carburetor.

10-oz 2-cycle or 4-cycle engines Fuel Additive

STA-BIL   10-oz 2-cycle or 4-cycle engines Fuel Additive

STA-BIL 360° protection is the ultimate ethanol treatment. STA-BIL 360° protection, America's no. 1 ethanol treatment, is engineered to combat the negative effects of ethanol-blended fuels.

16-oz 2-cycle or 4-cycle engines Fuel Additive

Sea Foam   16-oz 2-cycle or 4-cycle engines Fuel Additive

Sea Foam High Mileage 16 oz

8-oz 2-cycle or 4-cycle engines Fuel Additive

STAR TRON   8-oz 2-cycle or 4-cycle engines Fuel Additive

Star Tron enzyme fuel treatment is a multifunctional fuel additive which uses a unique enzyme technology that allows all engines to start easily and run smoothly, even when using ethanol-blended fuel or after sitting idle for months. Star Tron allows fuel to burn more completely, which results in maximum performance, fuel efficiency and reliable operation. Star Tron will stabilize fuel for up to two years, preventing the formation of gums and other solids that clog carburetors and fuel injectors. Star Tron helps prevent phase separation by dispersing water throughout fuel as submicron-sized droplets that can be safely eliminated while the engine operates. Star Tron Small Engine formula is ideal for use in all gas engines including; boats, cars, trucks, motorcycles, small equipment as well as engines that use pre-mix fuel.

4-oz 2-cycle or 4-cycle engines Fuel Additive

Ethanol Shield   4-oz 2-cycle or 4-cycle engines Fuel Additive

Prevent future engine problems with Ethanol Shield. This year-round triple antioxidant formula fuel stabilizer is used for your power equipment with 2-cycle and 4-cycle engines. This preventative maintenance formula eliminates then prevents ethanol-related problems. It removes water, prevents corrosion, provides easy engine starting all year, and keeps stored fuel fresh.

1-oz 2-cycle or 4-cycle engines Fuel Additive

MARVEL   1-oz 2-cycle or 4-cycle engines Fuel Additive

Marvel mystery oil® lubricates the entire fuel system-fuel pumps, fuel injectors or carburetors and the top portion of the cylinders. Using Marvel mystery oil in your fuel extends the life of these vital components by providing them with lubrication that fuel alone does not provide. Marvel reduces and prevents varnish and gum build-up, two key contributors to robbing engine performance. Spark plug life is also extended by using Marvel in your fuel. It creates a cleaner burning cylinder environment that reduces carbon build-up on spark plugs resulting in better firing plugs that increase performance and durability. In addition, Marvel mystery oil® improves fuel mileage by reducing internal friction in the engine.

12-oz 4-cycle engines only Fuel Additive

HEET   12-oz 4-cycle engines only Fuel Additive

HEET Gas-line antifreeze and water remover prevents gas line freeze up and removes water from the fuel system year round. It is safe for all four cycle engines including fuel injected engines. This product helps prevent rust and corrosion by getting the water out of fuel. It can be used with every fill up in below freezing temperatures or whenever you want to absorb water from gasoline. This anti freeze and water remover comes in an easy pour 12 Oz. bottle.

4-oz 2-cycle or 4-cycle engines Fuel Additive

Ariens   4-oz 2-cycle or 4-cycle engines Fuel Additive

Ariens fuel stabilizer is proven to reduce ethanol-related problems while stabilizing fuel for up to 3 years. Protects all internal engine components from corrosion and varnish due to ethanol blended fuels.

16-oz 2-cycle or 4-cycle engines Fuel Additive

Star brite   16-oz 2-cycle or 4-cycle engines Fuel Additive

Star Tron Enzyme Fuel Treatment is a fuel additive which uses a unique enzyme technology that allows all engines to start easily and run smoothly, even when using ethanol-blended fuel or after sitting idle for months. Star Tron allows fuel to burn more completely, which results in maximum performance, fuel efficiency and reliable operation. Star Tron will stabilize fuel for up to two years, preventing the formation of gums and other solids that clog carburetors and fuel injectors. Star Tron helps prevent phase separation by dispersing water throughout fuel as submicron-sized droplets that can be safely eliminated while the engine operates. Star Tron Small Engine formula is ideal for use in all gas engines including; boats, cars, trucks, motorcycles, small equipment as well as engines that use pre-mix fuel.

16-oz 2-cycle or 4-cycle engines Fuel Additive

Star brite   16-oz 2-cycle or 4-cycle engines Fuel Additive

The first product to combine enzymes from the #1 ethanol fuel treatment in traditional Star Tron with corrosion inhibitors.

Find Fuel Additives for Fuel Stability and Outdoor Equipment Maintenance at Lowe’s


Fuel additives help support the performance and maintenance of outdoor power equipment by addressing common fuel-related concerns. Whether you're preparing equipment for seasonal storage, maintaining fuel quality between uses or supporting routine engine care, these products can play an important role in equipment upkeep. Options are available for diesel engines as well as many gasoline-powered models, making it easy to find solutions tailored to different equipment needs at Lowe’s.


Benefits and Key Features of Fuel Additives

  • Improved Fuel Stability: Fuel additives help maintain fuel quality during storage, making them useful for seasonal equipment that may sit unused for extended periods.
  • More Dependable Equipment Starts: Properly treated fuel helps support smoother startups after storage and reduces issues associated with aging fuel.
  • Cleaner Fuel System Operation: Certain fuel treatments help address deposits that can accumulate within fuel systems and affect engine performance over time.
  • Support for Routine Maintenance: Fuel additives can be incorporated into regular equipment care practices to help maintain fuel system health throughout the year.
  • Versatile Equipment Applications: Products are available for a variety of engine types, helping users support fuel quality across different outdoor power equipment.
  • Engine-Specific Formulas: Different fuel additive formulas, such as diesel engine fuel additives, 2-cycle engine additives and 4-cycle engine additives work with different operating requirements.
  • Concentrated Treatment Performance: Many fuel additives are designed to treat multiple gallons of fuel with a relatively small amount of product, simplifying routine maintenance.
  • Multi-Gallon Treatment Capabilities: Different formulations are available to accommodate varying fuel volumes, from smaller equipment fuel supplies to larger storage quantities.


How to Choose Fuel Additives

  • Engine Application: Match fuel additives to the engine type specified on the product label, whether it's designed for diesel , 2-cycle or 4-cycle engines.
  • Fuel Treatment Capacity: Review how many gallons of fuel the additive is designed to treat to ensure it aligns with your fuel storage and usage requirements.
  • Equipment Usage Patterns: Consider whether the equipment is used seasonally or year-round when selecting a fuel treatment product.
  • Product Quantity: Available in several sizes, including 1-, 4-, 8- and 16-ounce options as well as 26-ounce fuel additives for larger fuel treatment needs. Smaller quantities can be practical for occasional maintenance while larger sizes may be better suited for routine fuel treatment across multiple pieces of equipment.


From seasonal lawn equipment to larger outdoor power equipment, fuel additives can help support fuel quality and routine engine maintenance throughout the year. With formulations designed for different engine models and fuel treatment capacities, these products offer practical solutions for a wide range of equipment needs. Shop fuel additives at Lowe’s, as well as other maintenance essentials like gas cans and spark plugs, to find options that align with your equipment, fuel storage practices and maintenance routines.