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AMSOIL Gasoline Stabilizer

Product code : ASTCNC-EA

  • Helps keep fuel fresh up to 12 months
  • Protects against varnish and gum buildup
  • Fights ethanol corrosion
  • Ideal for stored seasonal equipment such as snowmobiles, lawnmowers, motorcycles and boats

AMSOIL Gasoline Stabilizer



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.

See the product data sheet for full details.


REDUCES MAINTENANCE

  • Helps reduce maintenance time and costs by preventing harmful deposits from forming in the tank and fuel system.
  • Helps eliminate the need to clean or replace carburetors after long-term storage.
  • Fights harmful corrosion to maintain fuel-system cleanliness and operation.

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.X

AMSOIL Gasoline Stabilizer provides corrosion protection Sea Foam Motor Treatment can’t match.

XBased on independent third-party testing of AMSOIL Gasoline Stabilizer obtained July 1, 2022, and Sea Foam Motor Treatment purchased June 30, 2022, in a modified NACE TM0172 using synthetic sea water per ASTM D665B.
*All trademarked names and images are the property of their respective owners and may be registered marks in some countries. No affiliation or endorsement claim, express or implied, is made by their use.


HELPS EQUIPMENT START RELIABLY

  • Eliminates the need to drain fuel from equipment before long-term storage.
  • Offers peace of mind that equipment will not only start when it is needed, but will perform properly.

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.Z

AMSOIL Gasoline Stabilizer provides fuel stability that Sea Foam Motor Treatment can’t match.

  Sea Foam AMSOIL
Minutes 536 4,320

ZBased on independent third-party testing of AMSOIL Gasoline Stabilizer obtained July 1, 2022 and Sea Foam Motor Treatment purchased June 30, 2022 in a triple-length gasoline oxidation stability test (ASTM D525) using test fuel containing no oxidation-stability-improving additives.
*All trademarked names and images are the property of their respective owners and may be registered marks in some countries. No affiliation or endorsement claim, express or implied, is made by their use.

See the product data sheet for full details.

AMSOIL Gasoline Stabilizer

Data Bulletin

Warranty

SDS



AMSOIL Gasoline Stabilizer

  • 5 star rating
    Avoid problem!
    By  Andre,  a  Verified Buyer  from  New Brunswick, Canada   on  March 07, 2025
    Usine amsoil gaz stabiliser will keep your whole fuel system clean and free of varnish for an easy start when your riding season will begin. Another very important point; Amsoil is the only company that the stabiliser will last up to ONE year!!!! Really good advantage for a snowmobile per example as they rest for 8 month. As all Amsoil products: NOTHING ELSE goes into my 9 engines and components. Thanks to products engineering and all staff, fast delivery without mistakes.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 4 star rating
    So far so good
    By  WILLIAM,  a  Verified Buyer  from  Plano, Texas  on  February 06, 2025
    Put in tank and let it sit for the coldest part of North Texas winter. This is a few months. Good price would recommend to anyone wanting to winterize their bike.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Good product
    By  JERRY,  a  Verified Buyer  from  Ky  on  January 24, 2025
    If it's like the rest of their products then it's goood stuff
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    c'est comme une assurance...
    By  MICHAEL,  a  Verified Buyer  from  Quebec Canada  on  December 12, 2024
    à l'automne lors du remisage des outils motorisés, ce produit permet un redémarrage sans faille au printemps!
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Used for storage of my summer equipment
    By  DON,  a  Verified Buyer  on  November 22, 2024
    I used this product for storage of my summer equipment stabilizer for the gas
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Great stabilizer
    By  MIKE,  a  Verified Buyer  from  Wyoming  on  November 21, 2024
    Works great to keeps fuel good all winter
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    So far so Good
    By  PaddyJ ,  a  Verified Buyer  from  British Columbia   on  November 17, 2024
    Yes, it works though I haven’t left fuel in storage for over 6 months.
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  • 5 star rating
    STABLE PERFORMANCE
    By  MICHAEL,  a  Verified Buyer  from  Washington  on  November 13, 2024
    Amsoil fuel stabilizer does the trick for my electric home generator. Despite infrequent use, the fuel stabilizer allows me to fire the generator up immediately when needed and ensures uninterrupted functionality when needed most.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    Stabilizer
    By  ROD J.,  a  Verified Buyer  from  Alberta   on  November 12, 2024
    Excellent gasoline stabilizer.
    Bottom Line
    Yes, I would recommend this to a friend.
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  • 5 star rating
    owner
    By  MIKE,  a  Verified Buyer  from  Medina  on  November 07, 2024
    It was our first time using this product so i will let you know later how it worked for us.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?