From the brand
Product description
Perfect for Every Type of Engine
STA-BIL Storage isn’t just for cars. It’s the go-to additive for boats, motorcycles, ATVs, RVs, snowblowers, generators, and lawn equipment. Basically, if it burns gasoline, STA-BIL keeps it alive and healthy while it sits idle.
Whether you’re storing your summer toys for winter or prepping your emergency generator for storm season, STA-BIL keeps your fuel system from gumming up and saves you the headache (and cost) of clogged carburetors or failed starts.
Simple to Use, Powerful in Action
One 32-ounce bottle of STA-BIL treats up to 80 gallons of fuel, making it one of the most cost-effective maintenance products you’ll ever buy. Just mix one ounce per 2.5 gallons of fuel, and you’re done.
No fancy tools, no measuring anxiety — just pour, store, and forget.
Trusted by Professionals — and Weekend Mechanics Alike
From marine technicians to classic car restorers, STA-BIL has earned its reputation as the #1 fuel stabilizer in America. It’s used in everything from vintage muscle cars to modern power equipment because it simply works — keeping fuel fresh and engines protected year-round.
When you’re counting on your gear to perform after a long hibernation, STA-BIL is the difference between “starts right up” and “won’t start at all.”
Why You Need STA-BIL in Your Garage
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Keeps fuel fresh up to 24 months
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Prevents rust, corrosion, and gunk buildup
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Saves time, money, and frustration on maintenance
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Works with all gasoline engines, including ethanol blends
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Ideal for seasonal storage and emergency fuel reserves
If you value reliability, longevity, and smooth engine starts — you need STA-BIL.
Final Thoughts: Storage Made Simple
Your fuel doesn’t care if it’s sitting in a gas tank, carburetor, or jerry can — it’s going bad either way. But with STA-BIL Storage Fuel Stabilizer, you can stop that chemical decay before it starts. It’s the easiest insurance policy you’ll ever buy for your engines.
So before you store that car, mower, or boat for the season, pour in STA-BIL Storage Fuel Stabilizer (32 oz) and rest easy knowing your fuel will be as fresh as the day you pumped it.
Happy customer –
I never, ever want to run out of this product because it’s been helping me to start my lawnmowers in the springtime. After I had to pay someone to clean the gunk out of my mower’s gas lines, I tried putting some of this into the gas tank the last time I mowed for the season. Then I used up all of the gas so it could be stored empty for the winter. I did the same thing with the new mower I had to buy while the old one was waiting to be repaired. Both mowers started the following spring on the first or second pull and they ran perfectly all summer. I’ve been doing this for three years now. My old, ratty mower started on the first pull this spring. I’m noticing that it’s running really well on the gas I stored over the winter in a gas can that had this product added. I’m not sure how it makes it run so much better, but it seems to get better “mileage” than it does without using this product. I did some research and learned that using this helps to keep the gas lines clean all summer, so I’m planning to use it regularly. Being a senior woman makes it difficult to start a mower with clogged lines and my mowers don’t have primer buttons. I have to mow half an acre and I need good running mowers. Taking lots of breaks requires extra starts and this product is helping my mowers start more easily. No more wearing myself out and looking like an idiot while trying to start a clogged mower. This bottle is a great bargain compared to local big box store prices. It usually lasts for years so I’m good to go.
PrimingFX –
When it comes to maintaining our trusty machines, we often forget about the silent heroes working behind the scenes. Enter the STA-BIL Storage Fuel Stabilizer, the unsung superhero of my garage, safeguarding my engines from the dark forces of ethanol and gum. If the Justice League had a member dedicated to engine care, STA-BIL would be Batman—always prepared, always reliable, and a bit mysterious in its brilliance.The Discovery:It all started one chilly autumn evening as I was tucking my lawnmower in for its long winter nap. My neighbor, who always seemed to be one step ahead in the world of mechanical wisdom, leaned over the fence and whispered, “Have you tried STA-BIL?” Confused, I wondered if this was some new form of meditation or a secret gardening technique. Little did I know, he was introducing me to the marvel that is STA-BIL Storage Fuel Stabilizer.The Application:Applying STA-BIL is as easy as pie. No, scratch that—it’s easier. You don’t need a degree in chemistry or an engineering diploma. Just pour it into your fuel tank, give it a good mix, and voila! You’ve just given your engine a protective shield against the evil clutches of fuel degradation. I felt like a wizard concocting a potion, except this one didn’t involve eye of newt or tongue of bat.The Wait:Winter came and went, as winters do, with their usual mix of snow, slush, and regrettable holiday sweaters. My garage stood silent, housing my beloved lawnmower, snowblower, and a motorcycle that hadn’t seen the light of day in months. I worried about them, much like a parent worries about their children off at summer camp. Would they be okay? Would they remember me?The Moment of Truth:Spring finally arrived, and it was time to see if STA-BIL had lived up to the hype. I approached my lawnmower with a mix of anticipation and dread. Would it roar back to life or cough and splutter like an asthmatic chihuahua? I pulled the starter cord, and to my amazement, it sprang to life with the vigor of a caffeinated squirrel. The engine purred smoothly, free from the dreaded gunk and varnish that usually plague neglected machines.The Superpower:What makes STA-BIL Storage Fuel Stabilizer truly remarkable is its superpower—keeping fuel fresh for up to 24 months. Yes, you read that right. Two whole years of pristine, ethanol-free fuel. It’s like discovering your car has an extra gear you never knew about or finding out your favorite snack has zero calories. It’s almost too good to be true, but I assure you, it’s real.The Verdict:In conclusion, STA-BIL Storage Fuel Stabilizer has earned a permanent spot in my garage, right next to my trusty toolkit and that jar of mystery bolts and screws. It’s the dependable sidekick my engines always needed but never knew they wanted. If you love your machines and want them to run smoothly season after season, do yourself a favor and invest in STA-BIL. Your engines will thank you, your neighbors will envy you, and you’ll sleep soundly knowing your fuel is as fresh as the day you bought it.So, here’s to you, STA-BIL—our silent guardian, our watchful protector, our true hero in a bottle.
aberfitchgr534 –
We use this every year to winterize our boats and motorcycles. Great quality, does the job, great price for the large size. If you need to winterize vehicles or boats this is the best.
BC –
Works well but there are more cost effective options for constant use. All of my outdoor power equipment and boat fuel gets treated at the time of fuel purchase so I am always running “treated” fuel. I am not “storing” fuel for long periods but during the off season some of the equipment might sit for 6 months without being used. Dosage for this product is 4 oz/10 gallons and rated for 2 years. The Stabil Marine 360 product is 1 oz/10 gallons and rated for 1 year. If you plan on leaving your fuel sit around for 2 years this may be the product for you but if you just want to keep your fuel protected for extended or intermittent use the Marine 360 may be the way to go.
Kathy Davis –
This fuel stabilizer is a game-changer for anyone looking to preserve the performance of their classic cars or engines during long periods of storage. I recently used this product in a car that had been sitting idle for almost 2 years, and to my surprise, the engine started with just a little bit of persuasion. It’s hard to verify the manufacturer’s claim of keeping fuel fresh for 9-12 months, but my personal experience speaks volumes. I must mention that the car I used it on was a 1993 Metro without any computer systems, making it eaasier for the stabilizer to work its magic. Adding two gallons of pure, non-ethanol fuel to the tank also seemed to complement the stabilizer perfectly. I believe that vehicles with advanced computer systems might not respond as smoothly to additives, so caution is advised. For classic car enthusiasts, this product is a must-have. A friend of mine swaers by it and regularly adds it to the tanks of his three classic cars every 6 months without encountering any issues. Whether it’s a two-cycle engine or an older vehicle, this fuel stabilizer is a reliable choice for preserving engine integrity during extended periods of inactivity.
Cranky Customer –
Nice product…satisfactory
Good
Alejandro Vazquez –
Mantiene la Gasolina por 2 años papá!
1oz por cada 10litros y te guarda perfecto gasolina dentro de un envase, dentro de un generador o planta de luz y dentro de un auto guardado por 2 años, permanecen las propiedades de la gasolina y evita creación de sedimentos papá!!
Jacob M Joseph –
Does what it promises on the label
Works as advertised. Stored my motorcycle with a tankful of petrol with the recommended quantity of sta-bil mixed in and it fired up on the first push of the starter button when it was taken out of storage 4 months later.
Mariano Ferrari –
Producto útil para coches con poco uso
Bueno sirve para que no se pudra el combustible en autos que no se utilizan durante bastante tiempo. Sirve para el objetivo
biggles –
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