Gold Eagle

Gold Eagle STA-BIL Fuel Stabilizer 1 Gallon — Keeps Gas Fresh, Dissolves Gum & Varnish for Engines

High-performance automotive accessories made for confident daily results

$66.80

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Why customers choose NorthTrail Auto

Gold Eagle STA-BIL Fuel Stabilizer 1 Gallon is a concentrated gasoline additive designed to keep stored fuel fresh and dissolve gum and varnish so engines start and run reliably after storage.

Whether you're winterizing small engines, prepping a seasonal vehicle, or treating fuel for long-term storage, this 1-gallon container of STA-BIL by Gold Eagle is formulated to protect gasoline-powered equipment. It acts as a performance improver with a reported boiling point of 180°F and is manufactured in the United States. Use it in cars, trucks, motorcycles, lawn mowers, generators and other gasoline engines to help maintain clean fuel systems.

How does this stabilizer protect gasoline during storage?

STA-BIL works by slowing the chemical breakdown of gasoline, which reduces formation of gums and varnishes that can clog carburetors and fuel injectors. Applied at recommended dosages, it helps preserve combustibility and reduces the need for time-consuming fuel system cleaning after storage.

  • Prevents oxidation and phase separation in stored gasoline
  • Dissolves existing gum and varnish residue
  • Compatible with ethanol-blended fuels when used as directed
  • One gallon treats many tanks depending on dosage rate

How do I use Gold Eagle STA-BIL with different gasoline engines?

Usage is straightforward: add the recommended amount to the fuel tank or fuel container before storing or running equipment. For best results, follow the label instructions for dosage based on tank volume and make sure the treated fuel is circulated through the engine briefly so stabilizer reaches the entire fuel system.

  • Add to fuel tank or container prior to storage
  • Run engine a few minutes to distribute treated fuel through lines
  • Use manufacturer-recommended dose for small engines or vehicles
  • Safe for most gasoline engines, including those with EFI and carburetors

What maintenance problems can this product help avoid?

By dissolving gum and varnish and preserving fuel quality, STA-BIL reduces fouling in fuel lines, carburetors and injectors that commonly causes hard starts and poor performance. Regular use when storing or topping up fuel can cut down on service interventions and keep equipment ready when you need it.

  • Helps avoid clogged carburetor jets and fuel injectors
  • Reduces corrosion risk in fuel systems during storage
  • Improves cold starts after long idle or seasonal storage
  • Minimizes time spent on fuel-system cleaning

Is this suitable for seasonal or long-term fuel storage?

Yes — Gold Eagle STA-BIL is formulated for both seasonal and longer-term storage to maintain gasoline stability. It is particularly useful for winterizing equipment, preparing backup generators, or keeping classic cars and recreational machines ready for use after extended layup.

  • Treated gasoline remains usable for extended storage periods
  • Ideal for winterization and off-season equipment care
  • Recommended for boats, motorcycles, lawn and garden equipment
  • Manufactured in the United States by STA-BIL/Gold Eagle

Who is this for? This 1-gallon Gold Eagle STA-BIL Fuel Stabilizer is aimed at vehicle and equipment owners who store gasoline or need reliable season-start performance — including homeowners with lawn and garden tools, boat owners, classic car enthusiasts, contractors with jobsite equipment, and anyone maintaining backup generators. If you want to reduce fuel-related service calls, extend the life of fuel-system components, and keep engines starting easily after storage, this product is a practical addition to your maintenance supplies.

FAQ

Q: How long will treated fuel stay fresh with STA-BIL?

A: When used as directed, STA-BIL can keep gasoline stable for months to over a year depending on conditions.

Q: Can I use this in ethanol-blended gasoline?

A: Yes, STA-BIL is compatible with ethanol-blended fuels when dosed according to the product directions.