Lucas Oil Safeguard Ethanol Fuel Conditioner and Stabilizer is a fuel additive for gasoline and ethanol blended fuels from E10 to E85. It is fully soluble and will not harm fuel filters, cleans injectors, valves and combustion chambers, and helps prevent rust, corrosion, varnish and gum. It also stabilizes stored fuel and is suited to both automotive and marine use. It is not for use in diesel fuel.
- Type: Ethanol fuel conditioner and stabilizer
- Function: System cleaner, stabilizer and corrosion inhibitor
- Fuels: Gasoline and ethanol blends E10 to E85, automotive and marine (not for diesel)
- Benefits: Cleans injectors, valves and chambers, prevents rust, corrosion, varnish and gum, stabilizes stored fuel
- Treat ratio: About 1 oz per 5 gallons (16 oz treats up to about 80 gallons)
- Container: 16 oz
- Sold as: Single bottle
- Part number: LUC10576
FAQ
What does Safeguard Ethanol Fuel Conditioner do?
It cleans injectors, valves and combustion chambers, protects against rust, corrosion, varnish and gum, and stabilizes stored gasoline and ethanol blended fuel.
What fuels can it be used in?
It is for gasoline and ethanol blends from E10 to E85 in automotive and marine engines. It is not for diesel fuel.
What is the treat ratio?
The stated ratio is about 1 ounce per 5 gallons of fuel, so the 16 ounce bottle treats up to roughly 80 gallons.
Will it harm fuel filters?
No. It is fully soluble in fuel and is designed not to harm fuel filters.

