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STA-BIL® is America’s top-selling fuel stabilizer, and offers ethanol treatments for both gasoline and diesel engines. For products that protect, preserve and enhance the performance of the vehicles you love—including classic cars, motorcycles, boats, trucks, RVs and small engine equipment—STA-BIL® features seven unique formulas, such as STA-BIL® Storage, STA-BIL® 360° Marine, STA-BIL® 360° Protection and STA-BIL® Diesel. Whether you’re preparing for long-term storage or protecting your fuel system from the daily effects of ethanol-blended fuels, STA-BIL® has the answer.
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sta-bil fuel treatment

Fuel Treatment
Sta-Bil Penetrating & Fogging Oil

Penetrating & Fogging Oil
Sta-Bil 360 Marine Fuel Treatment

Marine Fuel Treatment
Sta-Bil Fuel Treatment

Fuel Treatment
Shop All Sta-bil

Shop All STA-BIL
America’s #1 Fuel Stabilizer Treatment

STA-BIL® Storage Fuel Stabilizer keeps fuel fresh for quick, easy starts after storage. It removes water to prevent corrosion, as well as cleaning carburetors and fuel injectors. This product also protects the engine from gum, varnish, rust and corrosion.

How to Use the STA-BIL Measure Bottle

STA-BIL® 360° Protection is America’s most-preferred ethanol treatment. Designed to fight the harmful effects caused by today’s fuels, our revolutionary formula is engineered to be the only fuel additive you need for your marine engines. Use it with every fill-up to help keep your engine running cleaner, smoother and stronger.

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STA-BIL® features seven unique formulas, including STA-BIL® Storage, STA-BIL® Marine, STA-BIL® 360° Protection and STA-BIL® Diesel. Recommended for use at every fill-up, STA-BIL® keeps fuel fresh for up to twenty-four months, cleans your fuel system, prevents corrosion and combats damage from ethanol.
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