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STA-BIL Fuel Stabilizer 1 Gallon

STA-BIL Fuel Stabilizer 1 Gallon

4.2· 6 ratings

Best price now

$7.79at Home CentralObserved at 4:06 PM

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Our take on the STA-BIL Fuel Stabilizer 1 Gallon

STA-BIL Storage Fuel Stabilizer is a gasoline additive that keeps fuel fresh during storage, removes water to prevent corrosion, and cleans carburetors and fuel injectors. It works in ethanol and non-ethanol gas and in any gasoline engine: cars, motorcycles, two-cycle equipment, generators and boats. The listing is a case of twelve 32-ounce bottles, so it suits owners with several engines or a long off-season. The best new price is $8.97 at The Home Depot as of November 4, 2026, with 3 stores pricing it new.

Best forStoring a car, boat or motorcycle for a seasonWinterizing mowers, generators and two-cycle equipmentOwners with several gas engines who want a bulk caseKeeping seldom-used vehicles from gum and varnish
Pros
  • Keeps fuel fresh for up to 24 months in storage
  • Removes water to limit rust and corrosion
  • Works with ethanol and non-ethanol gasoline
  • One treatment means no draining before storage
  • Safe for two-cycle and four-cycle engines
Cons
  • Case of twelve 32-ounce bottles is a lot for one engine
  • Not rated oxygen-sensor safe, so avoid in modern emissions systems
  • Only useful for engines stored 30 days or longer
  • Bulk case takes up shelf space

STA-BIL Fuel Stabilizer 1 Gallon prices at every store

  • First Choice MarineNew

    In stock

    $7.78+ $12.15 shippingObserved at 4:06 PM
    Visit store
  • WalmartNew

    In stockSold by First Choice Marine

    $25.26+ $8.95 shippingObserved at 4:06 PM
    Visit store
  • Home CentralNew

    Availability unknown

    $7.79Free shippingObserved at 4:06 PM
    Visit store

Also available at

  • Boat Parts DepotCheck price at Boat Parts Depot
  • PartsVuCheck price at PartsVu
  • Scooterworks USA, LLCCheck price at Scooterworks USA, LLC
  • Anchor ExpressCheck price at Anchor Express
  • DB Marine SuppliesCheck price at DB Marine Supplies
  • El Capitan Marine & Fishing CenterCheck price at El Capitan Marine & Fishing Center
  • NVN MarineCheck price at NVN Marine
  • PartsDuck.comCheck price at PartsDuck.com
  • WalmartCheck price at Walmart
  • Jamaica Hardware & PaintsCheck price at Jamaica Hardware & Paints
  • The Home DepotCheck price at The Home Depot
  • Home and Country USACheck price at Home and Country USA
  • Hardware & ToolsCheck price at Hardware & Tools
  • eBayCheck price at eBay
  • AmazonCheck price at Amazon

STA-BIL Fuel Stabilizer 1 Gallon price history

Lowest price we've seen: $7.78 on Nov 4. Tracked across 7 stores since Nov 4.

What reviewers say

Owners rate it 4.2 out of 5 from 6 ratings. It is widely used as a storage treatment for seasonal equipment and seldom-driven vehicles.

Pros
  • Easy starts after months of storage
  • Prevents gum and varnish in carburetors
  • Works in small engines and boats
Cons
  • Bulk case is more than many owners need
  • Not for oxygen-sensor-equipped vehicles

About the STA-BIL Fuel Stabilizer 1 Gallon

Fuel Stabilizer - 32oz *Case of 12*

STA-BIL Storage Fuel Stabilizer keeps fuel fresh for quick and easy starts after storage. Alternatively, the additive works wonders to keep the gasoline in the car fresh if users aren’t visiting the pump as often. STA-BIL Storage Fuel Stabilizer removes water to prevent corrosion and cleanses carburetors and fuel injectors. The product also protects the engine from gum, varnish, rust, and corrosion to prolong the life of any engine. One treatment eliminates the need to drain the gasoline of any two- or four-cycle engine before storing. Additionally, the product works well to keep fuel fresh in the everyday vehicle if it has been sitting idle for longer than usual.

*This case contains TWELVE 32 fluid-ounce bottles of STA-BIL Fuel Stabilizer.

Features:

• America’s #1 fuel stabilizer treatment

• Keeps fuel fresh for long-term storage – up to 24 months

• Eliminates the need to drain fuel before storage

• Ensures quick, easy starts by preventing gum and varnish build-up*

• Effective in Ethanol and Non-Ethanol gasoline

• For use in all gasoline engines such as vehicles, motorcycles, two-cycle, small engines, generators, and boats

Usage Directions:

Use STA-BIL Storage Fuel Stabilizer in any gasoline-powered vehicle or equipment users plan to store for 30 days or longer. This keeps the fuel fresh for up to 24 months during storage, eliminating the need to drain the tank. It works effectively in all gasoline blends, including ethanol-blended fuel, up to E-85. 1 ounce (30- milliliters) treats up to 2½ gallons (9.5 liters) of fuel. Use STA-BIL only with fresh fuel and keep the gas can or tank 95% full to avoid condensation buildup in the tank during storage. Run the engine for 5 minutes after adding the product to treat the entire fuel system. The product does not contain alcohol. Perfect for collector cars, generators, lawnmowers, snowblowers, etc.

Perfect for Storing:

• GAS CANS: Fill a gas can with fresh fuel and immediately protect the fuel with STA-BIL Storage Fuel Stabilizer

• OUTDOOR POWER EQUIPMENT: When storing lawnmowers, weed whackers, leaf blowers, and other outdoor power equipment, first fill the gas can at the station and then add STA-BIL Storage Fuel Stabilizer to the gas can. Afterward, fill up the equipment (such as a trimmer, generator, or snow thrower, etc.) and run for a few minutes. This ensures that the entire fuel system is protected

• CLASSIC AUTOMOBILES: When storing the vehicle (modern or classic), fill the tank 95% with fresh fuel, add STA-BIL Storage Fuel Stabilizer, and run for a few minutes. This ensures that the entire fuel system is protected. Store it in a dry place that is protected from environmental elements. Place a car cover on for additional storage protection

• EVERYDAY AUTOMOBILES: When visiting the gas station to pour fresh fuel into the tank, top it off with STA-BIL Storage Fuel Stabilizer and run for a few minutes. This practice works best if the vehicle has been sitting for longer than usual due to working remotely, limited road trips, or less use of the vehicle overall

• MOTORCYCLES/ATVS/UTVS: When storing the toys, fill the tank 95% with fresh fuel, add the STA-BIL Storage Fuel Stabilizer, and run for a few minutes. This ensures that the entire fuel system is protected. Store it in a dry place that is protected from environmental elements. Place a motorcycle cover on for additional storage protection

• BOATS: When storing a jet ski or boat (inboard or outboard), fill the tank 95% with fresh fuel, add STA-BIL Storage Fuel Stabilizer, and run for a few minutes. This ensures that the entire fuel system is protected. Place a jet ski or boat cover on for additional storage protection

Specifications:

• Type: Engine & Fuel

• Box Dimensions: 3"H x 4"W x 10"L WT: 22.8 lbs

Specifications

color
MulticolorSource
size
8 ozSource
Container size
8.00 oz.Source
Fuel treated
20Source
Additive type
StabilizerSource

Questions and answers

Is STA-BIL worth it for winter storage?
Yes, if you store a gasoline engine for 30 days or longer. One treatment keeps fuel fresh for up to 24 months and removes water, so you skip draining the tank.
How much fuel does one bottle treat?
Each 32-ounce bottle treats up to 20 gallons of gasoline. The case holds twelve bottles, enough for 240 gallons total.
Can I use it in a modern car with an oxygen sensor?
No. This formula is not oxygen-sensor safe, so keep it to small engines, older vehicles, boats and equipment without sensitive emissions sensors.
Does it work with ethanol gas?
Yes. It is effective in both ethanol and non-ethanol gasoline.
When is the price lowest?
The best new price was $8.97 at The Home Depot as of November 4, 2026. Bulk cases often drop in fall, when owners winterize equipment.
Where is the STA-BIL Fuel Stabilizer 1 Gallon cheapest?
At Home Central, for $7.79, as of our latest check.
What do buyers say about the STA-BIL Fuel Stabilizer 1 Gallon?
Rated 4.2 out of 5 from 6 ratings.
Where can I buy the STA-BIL Fuel Stabilizer 1 Gallon?
17 stores we checked sell it, including First Choice Marine, Home Central, Walmart, Boat Parts Depot, PartsVu.

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All STA-BIL deals and products →
Scent
UnscentedSource
Oxygen sensor safe
NoSource
Freshness duration
12 monthsSource
Engine Type
Gasoline