
A 1-amp fully automatic 6V/12V charger and maintainer that keeps stored trucks, boats, and mowers ready

Keeps stored fuel fresh for up to 24 months and protects the fuel system against ethanol and gum/varnish
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Universal fuel additive for gasoline storage — follow the dosing ratio printed on the bottle for your tank size.
Category royalty: #11 in Automotive overall and #1 in Fuel Additives at the October 20, 2026 check, 4.8 stars across 36,898 global ratings. Storage season is exactly when this sells.
How FMPR picks productsAnyone storing a vehicle, boat, mower, or generator for months at a time in ethanol-fuel country.
Skip it if nothing you own sits for more than a few weeks — stabilizer earns its keep in storage, not daily driving.
This page is not a hands-on test, a current-price claim, or a guarantee that the product fits your exact vehicle.
Amazon and the seller control price, tax, stock, variations, shipping, returns, and final compatibility information.
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Listing details last checked Oct 20, 2026
This listing is included for its documented use context. It is not a hands-on test, best-price claim, rating claim, or performance guarantee.
Stabilizer protects fresh fuel going INTO storage — it cannot revive fuel that is already stale. Dose per the bottle's ratio for your tank size and run the engine briefly to circulate it through the system.
Universal fuel additive for gasoline storage — follow the dosing ratio printed on the bottle for your tank size.
STA-BIL Storage is the red bottle every small-engine and stored-vehicle owner knows: add it to the tank before storage and it keeps fuel fresh for up to 24 months per the listing, while protecting against gum, varnish, and ethanol damage. The 32 oz bottle treats up to 80 gallons — trucks in storage, boats, mowers, generators, and the project car that 'just needs a weekend.' Amazon and the seller control final variations, price, availability, checkout, shipping, fulfillment, and returns.

A 1-amp fully automatic 6V/12V charger and maintainer that keeps stored trucks, boats, and mowers ready

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