Want to protect your stored fuel for the future? Discover the top ten fuel stabilizers recommended by real users to keep your gasoline fresh and engines running smoothly.
Storing fuel long-term can be tricky. You want your equipment ready when you need it. Using the best fuel stabilizers is a smart move.
These products keep gasoline fresh. They prevent corrosion and keep engines running well. Many users share success stories.
This guide will help you. You’ll learn how to choose the right stabilizer. Get ready to keep your fuel in top shape!
List of Top 10 Stabilizers For Long Term Fuel Storage
| Image | Title | Best For | Price |
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STA-BIL Storage Fuel Stabilizer | Keeps Fuel Fresh for 24 Months, Prevents Corrosion, Gasoline Treatment Fuel Additive that Protects Fuel System, Gas Stabilizer for Fuel Storage, 32 oz. |
This fuel stabilizer is perfect for boat owners, RV drivers, and people with lawn mowers or small engines that sit unused for long times. It keeps your gas fresh and safe from corrosion without any fuss. |
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STA-BIL Storage Fuel Stabilizer | Keeps Fuel Fresh for 24 Months, Prevents Corrosion, Gasoline Treatment Additive that Protects System, Gas Stabilizer for Storage, 8 oz. |
This fuel stabilizer is perfect for boat owners who store their boats during winter, RV drivers keeping vehicles in garage for months, and outdoor equipment users like lawnmowers or chainsaws that sit unused. It is also ideal for anyone stocking up on gas for future needs, ensuring your fuel stays fresh and ready. |
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STA-BIL Diesel Fuel Stabilizer And Performance Improver – Keeps Diesel Fuel Fresh For Up To 12 Months – Lubricates And Cleans The Fuel System – Treats 320 Gallons, 32 fl. oz. (22254) |
Are you a diesel engine owner who wants peak performance? This fuel stabilizer is for you! It keeps your engine clean and running smoothly for up to 12 months! |
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STA-BIL Fuel Stabilizer – 16oz |
Have a car or lawnmower? Then this is just what you need. It keeps your engine running smoothly! |
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STA-BIL 22208 Fuel Stabilizer – 8 oz. Size: 8 Fl. oz., Model: 22208, Outdoor/Garden Store, Repair & Hardware |
This fuel stabilizer is for people who store gas long term, like lawn mower and boat owners. It keeps fuel fresh for up to 24 months and helps engines start after storage. |
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Quicksilver 8M0047922 Quickstor Fuel Treatment and Stabilizer, 12 Oz. |
This fuel stabilizer is perfect for boat owners, generator users, and folks with lawnmowers or other powersports gear who store them for long stretches. It keeps your gas from breaking down so you can fire up your equipment whenever you’re ready. |
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Star Tron Stabilizer+ Fuel Storage & Corrosion Protection, Treats 40 Gallons of Gas – Ideal for Motorcycles, Boats, Lawn Equipment, Classic Cars – 8 OZ Treats 40 Gallons (014808) |
Star Tron Stabilizer+ is perfect for motorcycle riders, boat owners, and people who store classic cars or lawn equipment. It keeps their gas fuel fresh and safe for easy starting. |
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Genuine Honda Fuel Stabilizer & Corrosion Inhibitor – 08732-0800 – Compatible with Honda |
This Honda fuel stabilizer is perfect for motorcycle owners who store their bikes for long times and want to keep the fuel fresh. It’s also great for lawnmower users or boat owners with Honda engines to fight ethanol rot. |
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Ariens 70734000 Premium Fuel Stabilizer 12oz Bottle (Treats 30 gallons) |
Perfect for Ariens owners with snow blowers and other small engines. It keeps fuel fresh up to 2 years and helps quick starts with ethanol or non-ethanol fuel. |
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Mercury Marine 12oz Quickstor Fuel Stabilizer Treatment 92-8M0047932 |
Are you a boat owner or anyone who stores their engine for long periods? This Quickstor Fuel Stabilizer is perfect for you. It keeps your fuel fresh and your engine running smoothly, so you’re always ready to go! |
Detailed Reviews
Discover the best fuel stabilizers for long-term storage in this guide. We’ve analyzed top products based on expert reviews and customer feedback. Find the perfect stabilizer to protect your fuel and equipment. Let us help you choose the ideal fuel stabilizer for your needs.
1. STA-BIL Storage Fuel Stabilizer | Keeps Fuel Fresh for 24 Months, Prevents Corrosion, Gasoline Treatment Fuel Additive that Protects Fuel System, Gas Stabilizer for Fuel Storage, 32 oz.

STA-BIL Fuel Stabilizer keeps your gasoline fresh for up to 24 months. It fights corrosion from ethanol-blended fuels in your tank. Use it for 2-cycle and 4-cycle engines to protect your gear.
This 32-ounce bottle treats 80 gallons of fuel. One ounce covers 2.5 gallons easily.
It stops varnish and gum buildup. Store your fuel safely without worry.
| Pros | Cons |
|---|---|
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Perfect For:
This fuel stabilizer is perfect for boat owners, RV drivers, and people with lawn mowers or small engines that sit unused for long times. It keeps your gas fresh and safe from corrosion without any fuss.
Ready to Purchase?
2. STA-BIL Storage Fuel Stabilizer | Keeps Fuel Fresh for 24 Months, Prevents Corrosion, Gasoline Treatment Additive that Protects System, Gas Stabilizer for Storage, 8 oz.

STA-BIL Storage Fuel Stabilizer keeps your gas fresh for up to 24 months. It protects engines and fuel systems from harm.
This stabilizer prevents corrosion in your fuel lines and tank. It works with ethanol and non-ethanol fuels. Your equipment will start easy every time.
Add 1 ounce per 2.5 gallons of gas to the tank first. Run the engine for 5 minutes after filling up. It lasts 2 years from opening or 5 years from making.
| Pros | Cons |
|---|---|
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Perfect For:
This fuel stabilizer is perfect for boat owners who store their boats during winter, RV drivers keeping vehicles in garage for months, and outdoor equipment users like lawnmowers or chainsaws that sit unused. It is also ideal for anyone stocking up on gas for future needs, ensuring your fuel stays fresh and ready.
Ready to Purchase?
3. STA-BIL Diesel Fuel Stabilizer And Performance Improver – Keeps Diesel Fuel Fresh For Up To 12 Months – Lubricates And Cleans The Fuel System – Treats 320 Gallons, 32 fl. oz. (22254)

STA-BIL Diesel Fuel Stabilizer keeps diesel fresh for up to 12 months. It helps prevent sludge and sediment. Your engine runs cleaner and steadier.
It cleans and lubricates the entire fuel system. It protects injectors, pumps, and tanks. It fights corrosion with special STA-BILizers that shield your fuel.
Universal compatibility with ULSD and biodiesel blends. Use it to keep fuel stable and engines happy.
| Pros | Cons |
|---|---|
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Perfect For:
Are you a diesel engine owner who wants peak performance? This fuel stabilizer is for you! It keeps your engine clean and running smoothly for up to 12 months!
Ready to Purchase?
4. STA-BIL Fuel Stabilizer – 16oz

Keep fuel fresh with STA-BIL Fuel Stabilizer – 16oz. It protects against old fuel. This is a great product for gas engines.
It helps engines start easily after storage. Your fuel stays clean and ready. Use it in lawn tools, generators, and more.
It is safe to use in most gas engines. Keep your equipment ready to go.
| Pros | Cons |
|---|---|
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Perfect For:
Have a car or lawnmower? Then this is just what you need. It keeps your engine running smoothly!
Ready to Purchase?
5. STA-BIL 22208 Fuel Stabilizer – 8 oz. Size: 8 Fl. oz., Model: 22208, Outdoor/Garden Store, Repair & Hardware

Keep your fuel fresh with STA-BIL Fuel Stabilizer. It’s easy to use and works great. This product helps you to store your fuel for a long time.
This stabilizer keeps your fuel fresh for up to 24 months. You will get easy starts after storage.
It also prevents gum and varnish build-up. It works in all gasoline, even Ethanol blends.
| Pros | Cons |
|---|---|
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Perfect For:
This fuel stabilizer is for people who store gas long term, like lawn mower and boat owners. It keeps fuel fresh for up to 24 months and helps engines start after storage.
Ready to Purchase?
6. Quicksilver 8M0047922 Quickstor Fuel Treatment and Stabilizer, 12 Oz.

Keep your engines running smoothly with Quicksilver Quickstor Fuel Treatment. It’s the best way to keep your fuel fresh. This product is a must-have for all powersports equipment.
This fuel stabilizer keeps gasoline from going bad. It works for up to two years. Add 1 oz to every 5 gallons of gas.
This product is easy to use. It helps your equipment last longer. It is a great choice.
| Pros | Cons |
|---|---|
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Perfect For:
This fuel stabilizer is perfect for boat owners, generator users, and folks with lawnmowers or other powersports gear who store them for long stretches. It keeps your gas from breaking down so you can fire up your equipment whenever you’re ready.
Ready to Purchase?
7. Star Tron Stabilizer+ Fuel Storage & Corrosion Protection, Treats 40 Gallons of Gas – Ideal for Motorcycles, Boats, Lawn Equipment, Classic Cars – 8 OZ Treats 40 Gallons (014808)

Star Tron Stabilizer+ keeps your fuel fresh and clean for up to two years. Its enzymes break down gum, varnish, and moisture in gas. Just add it to your tank before storage and forget about fuel woes.
This corrosion protection formula shields metal parts from rust inside engines. It works in all gasoline types, including ethanol blends. Use it for motorcycles, boats, lawn equipment, and classic cars with ease.
Treat 40 gallons with a small 8-ounce bottle for big savings. Star Tron ensures your engine stays smooth and safe.
| Pros | Cons |
|---|---|
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Perfect For:
Star Tron Stabilizer+ is perfect for motorcycle riders, boat owners, and people who store classic cars or lawn equipment. It keeps their gas fuel fresh and safe for easy starting.
Ready to Purchase?
8. Genuine Honda Fuel Stabilizer & Corrosion Inhibitor – 08732-0800 – Compatible with Honda

Keep your fuel fresh. This is a Genuine Honda fuel stabilizer & corrosion inhibitor.
Add 1 oz per 5 gal. Keeps gas stable for a year. Works in 2 and 4 cycle engines.
Treats up to 80 gallons. Honda Part: 08732-0800.
| Pros | Cons |
|---|---|
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Perfect For:
This Honda fuel stabilizer is perfect for motorcycle owners who store their bikes for long times and want to keep the fuel fresh. It’s also great for lawnmower users or boat owners with Honda engines to fight ethanol rot.
Ready to Purchase?
9. Ariens 70734000 Premium Fuel Stabilizer 12oz Bottle (Treats 30 gallons)

This is the Ariens 70734000 Premium Fuel Stabilizer in a 12 oz bottle. One bottle treats up to 30 gallons of fuel.
It works with 4-Cycle and 2-Cycle engines and with ethanol or non-ethanol fuel. It gives quick starts and keeps fuel fresh for up to 2 years.
Easy to use. Keeps fuel fresh for up to 2 years. Works well in many machines.
| Pros | Cons |
|---|---|
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Perfect For:
Perfect for Ariens owners with snow blowers and other small engines. It keeps fuel fresh up to 2 years and helps quick starts with ethanol or non-ethanol fuel.
Ready to Purchase?
10. Mercury Marine 12oz Quickstor Fuel Stabilizer Treatment 92-8M0047932

Don’t let your engine suffer! Get the Mercury Marine Quickstor Fuel Stabilizer now.
This stuff is important. It stabilizes fuel for up to a year. It will also prevent fuel from breaking down.
Just add this before storage. It prevents gum from forming. Your engine will thank you!
| Pros | Cons |
|---|---|
|
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Perfect For:
Are you a boat owner or anyone who stores their engine for long periods? This Quickstor Fuel Stabilizer is perfect for you. It keeps your fuel fresh and your engine running smoothly, so you’re always ready to go!
Ready to Purchase?
Buying Guide
Storing fuels long-term can spoil them quickly. A top stabilizer keeps gasoline and diesel fresh for months or years.
Many users report easy starts after long storage. One rider kept his motorcycle fuel stable for two years with no engine issues. A boat owner used it on ethanol-blend gas and enjoyed smooth sailing the next season.
- Storage Duration: Look for products that promise two years or more. They keep fuel fresh without breaking down. This prevents wasted gas from spoiling too soon.
- Fuel Type Compatibility: Choose stabilizers that work with gasoline, diesel, and ethanol blends. This protects engines from all common fuels. Universal options save money on extras.
- Engine Suitability: Opt for ones safe for two-cycle and four-cycle engines. They prevent gum in small tools. This ensures steady performance in vehicles or machines.
- Volume Treated: Check how much gas one bottle covers, like 40 to 320 gallons. Larger treatments mean fewer purchases. It suits big tanks or fleets better.
- Corrosion Prevention: Pick formulas that fight rust in tanks and lines. They include special shields for metal parts. This keeps equipment safe from damage.
- Easy Usage: Select simple additives requiring one ounce per few gallons. Add before storage and run the engine short. No complex steps mean less hassle.
- Brand Trust: Go for known names like STA-BIL or genuine parts. They have proven results over time. User reviews back their reliability.
- Varnish and Gum Control: Ensure it stops buildup from old fuel. Enzymes or stabilizers break down residue. Clean systems start right away.
- Bottle Size Options: Consider sizes from 8 to 32 ounces for different needs. Small ones fit small jobs. Larger ones cover more without waste.