Gasoline Stabilizer

Gasoline Stabilizer Helps reduce maintenance time and costs by preventing harmful deposits from forming in the tank and fuel system.

SKU: AST Categories: ,

Gasoline Stabilizer Fuel Additive

Keeps fuel from deteriorating during storage for up to 12 months, allowing easier startups. Resists the formation of varnish and gum to keep fuel systems and storage tanks clean. Effective in ethanol-blended fuel. Ideal for all two- and four-stroke engines, including motorcycles, snowmobiles, boats, ATVs, edgers, tillers, mowers, cars, trucks, snowblowers, chainsaws, generators and farm and construction equipment.

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Gasoline is not formulated for long-term storage and can start to de-grade in as little as 60 days, leading to varnish and sludge deposits that clog injectors, fuel lines and carburetors, stick floats and cause poor engine performance, starting problems, increased maintenance expenses and decreased equipment life.

It is difficult to drain all of the fuel from equipment before storage, and doing so would expose the system to other problems, including the formation of rust and corrosion on the bare metal in the tank and fuel system and the drying and cracking of gaskets and seals. Some fuels are pre-treated with oxidation inhibitors that allow them to be stored for short periods without forming excessive deposits, while other fuels have no inhibitors at all.

AMSOIL Gasoline Stabilizer (AST) reduces the oxidation process that occurs when fuel is stored for extended periods, improving performance, extending equipment life and decreasing maintenance expenses.

Updated Product Datasheet updated mor often that this webpage on the AMSOIL Gasoline Stabilizer

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Improves Performance

Treating fuel with AMSOIL Gasoline Stabilizer prior to storing equipment provides confidence. It offers the peace of mind that the equipment will not only start when it is needed, but will also perform properly.

Extends Equipment Life

AMSOIL Gasoline Stabilizer eliminates the need to drain fuel from equipment before long-term storage. It fights fuel deterioration, severely limiting the formation of damaging varnish and deposits to help extend equipment life.

Gasoline Stabilizer Fights Corrosion

AMSOIL provides corrosion protection Sea Foam Motor Treatment can’t match, helping maintain power and performance and keeping metal corrosion free, even when subjected to salt water.

Fuel Stabilizer comparison amsoil versus sea foam

Gasoline Stabilizer Improves Stability

AMSOIL Gasoline Stabilizer delivers 8X longer fuel stability than Sea Foam® Motor Treatment in the triple-length gasoline oxidation stability test (ASTM D525), helping maintain startability and protect against the formation of varnish and gum.

Amsoil fuel stabilizer on gasoline stability test over time

Decreases Maintenance

Deposits, varnish and sludge that forms from degraded fuel can cause important components in the fuel system to become clogged or stuck and require thorough cleaning or replacement. AMSOIL Gasoline Stabilizer helps reduce maintenance time and costs by preventing harmful deposits from forming in the tank and fuel system, eliminating the need to clean or replace carburetors after long-term storage.

Fuel Additive Applications

AMSOIL Gasoline Stabilizer applications include, but are not limited to, motorcycles, snowmobiles, ATVs, outboard motors, stern-drive and inboard marine engines, personal watercraft, lawn equipment, chainsaws, snowblowers, portable generators, handheld power equipment, motor scooters, powered farm equipment, powered construction equipment, cars and trucks.

Dosage recommendation of the Fuel Stabilizer

One ounce of AMSOIL Gasoline Stabilizer treats 2.5 gallons of fuel, including fuel that contains up to 10 percent ethanol. Before storing equipment, treat it with the appropriate dose of AMSOIL Gasoline Stabilizer. Let the engine run for five to 10 minutes to thoroughly circulate the additive through the fuel system.

Stop the engine and store the equipment in a dry, covered location.

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AMSOIL PRODUCT WARRANTY
AMSOIL products are backed by a Limited Liability Warranty. For complete information visit www.amsoil.com/warranty.aspx.

HEALTH & SAFETY
This product is not expected to cause health concerns when used for the intended application and according to the recommendations in the Safety Data Sheet (SDS). An SDS is available online at www.amsoil.com or upon request at (715) 392-7101. Keep Out of Reach of Children.

Stabilizer Reviews

Peace of mind

By  PAUL,  a  Verified Buyer  from  CT  on  March 31, 2024
I use this in my vehicles and everything else with a gasoline engine. It keeps fuel from going bad and and your motors from rusting from the inside out. I rely on the Amsoil reputation.

Gas Stabilizer

By  Burtrow,  a  Verified Buyer  from  Apopka, Fl  on  January 12, 2024

Very good, especially for small engines. Saves a lot of $ at repair shop.

Vintage Car Care

By  BRAD,  a  Verified Buyer  from  Iowa  on  December 28, 2023

1954 Chevy car. In the fall, as winter approaches, I put the prescribed amount of stabilizer in the gas at each fill. Never know when the last drive of the year will be before the salt is off the roads in the spring.

Stands alone

By  ERIK,  a  Verified Buyer  from  Binghamton ny  on  November 19, 2023
This is by far the best formulation of a gasoline stabilizer available anywhere. It definitely does what it’s supposed to and outperforms all others that I’ve tried. You truly can have piece of mind when using this. I use it in all of my landscaping equipment.

My hardly used vehicle

By  PAUL,  a  Verified Buyer  on  November 03, 2023
I use this in all of my engines so they are not rusting from the inside out. I mostly like this product because I have a car that I put only a couple of thousand miles per year on and I don’t want the gas to go bad or develop a rusty gas tank caused by water separation in the fuel.

preventive maintenance in a bottle

By  DENNIS,  a  Verified Buyer  from  Tennessee  on  September 27, 2023
Great for Gas or Diesel motors helps fight fuel Deterioration.I Use this when storing Equipment for winter time. Helps fight Gun and varnish also.