Table of Contents
Fuel stabilizers are key to keeping your engine’s fuel system clean and efficient. STA-BIL 360 Marine Ethanol Treatment offers a simple solution to prevent fuel issues.
This product not only cleans your fuel system but also keeps ethanol-blended fuels fresh for up to a year. Let’s explore how it works and its benefits.
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I’ve been using STA-BIL for years in my lawn equipment and vintage bikes. It’s easy to use, and I always add a bit to my gas cans. This way, my equipment starts easily every season.
One time, I neglected to use any fuel treatment and faced a hefty bill for generator repairs. Since then, I never skip using STA-BIL, and my generator starts on the first pull, even after long storage.
Fuel System Cleaner

STA-BIL 360 Marine is designed to clean your entire fuel system, from injectors to pumps. It removes water, gum, and varnish to keep everything running smoothly. By using this product, you can prevent corrosion and ensure your fuel system stays in top shape.
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Fuel Stabilizer

Using STA-BIL 360 Marine can help prevent fuel corrosion and keep ethanol-blended fuels fresh for up to 12 months. This means your engine will be ready to go whenever you need it, without any worries about stale fuel causing problems.
MPG Booster

STA-BIL 360 Marine helps you get more out of every gallon of fuel. It increases your gas mileage and engine power by keeping your fuel system clean and protected. This means you can save money and enjoy better performance from your engine.
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$136.22 (as of October 22, 2025 04:04 GMT +00:00 – More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)Easy Directions

To use STA-BIL 360 Marine, simply pour it directly into your fuel tank before filling up. Use 1 ounce for every 10 gallons of fuel, and run the engine for 5 minutes to treat the entire fuel system. It’s a quick and easy way to keep your fuel system in top condition.
Long-lasting Effectiveness

All STA-BIL products, including STA-BIL 360 Marine, are effective for up to 2 years after opening. Just make sure to mark the date you opened the bottle on the back of the package to keep track.
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Great for Small Engines

Many users have found STA-BIL 360 Marine to be highly effective for small engines, such as lawn equipment and vintage vehicles. By using this product regularly, you can ensure these small engines start easily and run smoothly.
Prevents Generator Issues

STA-BIL 360 Marine is also great for keeping generators in good working order. By treating your generator’s fuel with this product, you can avoid the hassle and expense of carburetor problems caused by stale fuel.
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Effective Marine Fuel Treatment

This product is particularly effective for marine engines, helping to clean fuel injectors and enhance engine performance. It keeps the fuel system clean and ensures smooth operation, even in tough marine environments.
User-friendly Design

The bottle of STA-BIL 360 Marine is designed for easy use, with a convenient measuring feature. Simply squeeze to measure the right amount and pour it into your tank. This makes it easy to use the correct dosage each time.
Trusted Brand

STA-BIL is a trusted name when it comes to fuel treatments. Users have found the marine version to be particularly effective, and it’s a popular choice for keeping fuel fresh and engines running smoothly.
Pros:
- Keeps your fuel system clean by removing water, gum, and varnish.
- Prevents fuel corrosion and keeps ethanol-blended fuels fresh for up to 12 months.
- Helps increase gas mileage and engine power.
Cons:
- Relatively more expensive than some other fuel stabilizers.
- Requires careful measurement for proper use.
- May temporarily stain surfaces if spilled.
Conclusion
STA-BIL 360 Marine Ethanol Treatment is a reliable product that keeps your fuel system in top shape. It’s easy to use and offers great value, treating a large amount of fuel.
For anyone using small engines or storing fuel for long periods, this product is a must-have. It ensures your equipment runs smoothly and avoids costly repairs.
Questions & Answers:
Question: How much STA-BIL 360 Marine should I use for my fuel tank?
Answer: Use 1 oz for every 10 gallons of fuel. Pour it directly into the fuel tank before filling up.
Question: Is this product suitable for small engines?
Answer: Yes, STA-BIL 360 Marine works well with small engines like lawn equipment and outboard motors.
Question: How long does the fuel stay fresh with this stabilizer?
Answer: The fuel stays fresh for up to 12 months when treated with STA-BIL 360 Marine.
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