Lucas Oil Safeguard Ethanol Fuel Conditioner with Stabilizers
Bulk Orders
Lucas Safeguard Ethanol Fuel Conditioner with Stabilizers was developed to specifically address issues associated with using ethanol based fuels. This applies to E-10, E-15, E-85, pure ethanol and any mixtures in between including gasoline. Our Product is completely soluble in all ethanol fuels and will not harm filters. Lucas Safeguard® Ethanol Fuel Conditioner with Stabilizers contains effective additives to prevent rust and corrosion associated with the use of ethanol fuels.
Key Benefits
- Cleans injectors, valve seats, combustion chambers and other critical fuel components
- Stabilizes fuel and prevents varnish & gum formation in ethanol and gasoline
- Combats deposits and protects your engine oil lubricants from the harmful effects of alcohol combustion
NOT RECOMMENDED FOR DIESEL APPLICATIONS
Directions for use
Add one (1) ounce of Safeguard Ethanol Fuel Conditioner for every five (5) gallons of fuel. 30 mL treats 18.9 L of fuel. An over treatment will not be harmful.
Packaging
| #10576 | 16 Ounce (Case of 12) | 13 lbs |
| #10670 | 5.25 Ounce (Case of 24) | 10 lbs |
| #10929 | 2 Ounce (Case of 18) | 3.6 lbs |
Safeguard® treats up to 80 gallons (302.8 liters) of ethanol fuel. One ounce treats five gallons of ethanol fuel. Our new 5.25 oz bottle treats up to 25 gallons (94.6 liters) of ethanol fuel. Recommended for use in automobile and marine applications.
What does Lucas Safeguard ethanol fuel conditioner do?
Lucas developed Safeguard Ethanol Fuel Conditioner with Stabilizers to address problems linked to ethanol based fuels. The Lucas data sheet lists antioxidants, corrosion inhibitors and water dispersants, and says the conditioner helps keep injectors, valve seats and the combustion chamber clean of deposits, gums and varnishes.
- Fuel stabilizer: stabilizes fuel and prevents varnish and gum formation in ethanol and gasoline.
- Rust and corrosion: contains additives to prevent the rust and corrosion associated with ethanol fuels.
- Engine oil: helps protect engine oil from forming emulsions with fuel and products of combustion that enter the oil sump.
How much Lucas ethanol treatment do you add per gallon of fuel?
Lucas directs one ounce of Safeguard for every five gallons of fuel, which is 30 mL per 18.9 L. Lucas also states that an over treatment will not be harmful, so round up rather than down when a tank falls between doses.
| Property | Value | Source note |
|---|---|---|
| Treat rate | 1 oz per 5 gallons (30 mL per 18.9 L) | Lucas product page, Directions For Use |
| Coverage, 16 oz bottle (10576) | Up to 80 gallons (302.8 liters) of ethanol fuel | Lucas data sheet, updated 7/14/2026 |
| Coverage, 5.25 oz bottle (10670) | Up to 25 gallons (94.6 liters) | Lucas data sheet, updated 7/14/2026 |
| Flash point, PMCC | 212°F | Lucas data sheet, typical value |
| Specific gravity at 60°F | 0.820 | Lucas data sheet, typical value |
| Color | Green | Lucas data sheet, typical value |
Which fuels and engines can use this ethanol fuel treatment?
The data sheet lists all ethanol blends, including E-10, E-15, E-85 (Flex Fuel), E-100, pure alcohol and straight gasoline. Lucas names boats, RVs, motorcycles and everyday drivers, and recommends it particularly for automobile, marine and stationary generator applications.
- Diesel: not recommended for diesel applications.
- Methanol: Lucas says methanol fueled racers or hobby engines also benefit from treatment.
- Filters and emissions equipment: Lucas states it is completely soluble and will not clog filters or harm emissions aftertreatment equipment.
Where can I buy Lucas Oil Safeguard ethanol fuel conditioner by the case?
Use the Request a Quote button on this page with the Lucas part number and the number of cases you need. The current Lucas product page and data sheet list two case packs:
- 10670: 5.25 oz bottles, case of 24
- 10576: 16 oz bottles, case of 12
Lucas publishes product Safety Data Sheets on LucasOil.com.
Related products
Popular Brands
