STA-BIL Marine Fuel Stabilizer & Performance Improver – 1 Gallon

Keep your boat's fuel fresh and protect your engine with STA-BIL Marine Fuel Stabilizer & Performance Improver – 1 Gallon. Designed for everyday marine engine maintenance, this advanced gasoline fuel treatment helps protect against ethanol-related corrosion, moisture, and fuel degradation while supporting reliable engine performance.

Modern ethanol-blended gasoline can begin to deteriorate during periods of inactivity, making fuel stabilization especially important for boats and other engines that aren't operated every day.

STA-BIL Marine Formula contains enhanced corrosion inhibitors and fuel system cleaners designed to protect fuel tanks, fuel lines, and other gasoline fuel system components. Its specialized formulation helps manage moisture-related problems and reduce the risk of corrosion associated with ethanol-blended fuels.

Unlike fuel treatments intended primarily for long-term storage, STA-BIL Marine Formula is designed for year-round use, helping maintain fuel quality and engine performance throughout the boating season.

The convenient 1-gallon container is ideal for frequent fuel treatment, larger fuel tanks, and maintaining multiple gasoline-powered marine engines.

Key Features & Benefits

• Marine Fuel Stabilization: Helps keep gasoline fresh during periods of inactivity for reliable engine starts.
• Ethanol Fuel Treatment: Designed to protect gasoline fuel systems from ethanol-related corrosion.
• Fuel System Cleaning: Contains enhanced cleaners to help maintain fuel system cleanliness.
• Corrosion Protection: Helps protect fuel tanks, fuel lines, and compatible fuel system components.
• Moisture Protection: Helps reduce moisture-related corrosion and fuel system problems.
• Year-Round Performance: Designed for regular use, not just seasonal storage.
• 2-Stroke & 4-Stroke Compatibility: Suitable for gasoline-powered 2-cycle and 4-cycle engines.
• Concentrated Formula: Manufacturer-described as treating approximately four times as much fuel per ounce as regular STA-BIL.
• Enhanced Cleaning Formula: Manufacturer-stated to contain more than four times the fuel system cleaning agents found in regular STA-BIL.
• Additional Corrosion Inhibitors: Manufacturer-stated to provide twice the corrosion-preventing ingredients of regular STA-BIL.
• 1-Gallon Container: Convenient for frequent treatment and larger fuel capacities.

Product Specifications

• Brand: STA-BIL
• Product Name: Marine Fuel Stabilizer & Performance Improver
• Product Type: Marine Gasoline Fuel Stabilizer & Ethanol Treatment
• Container Size: 1 Gallon / 128 fl oz
• Fuel Compatibility: Gasoline, Including Ethanol-Blended Gasoline
• Engine Compatibility: 2-Cycle and 4-Cycle Gasoline Engines
• Primary Functions: Fuel Stabilization, Ethanol Protection, Fuel System Cleaning, and Corrosion Prevention
• Recommended Use: Year-Round Marine Fuel Treatment
• Application: Additive for Compatible Gasoline Fuel Systems

Year-Round Marine Fuel Protection

Boats often sit unused between weekends, vacations, and boating seasons.

During these periods, gasoline can gradually degrade, potentially contributing to difficult starts, fuel system deposits, and reduced engine performance.

STA-BIL Marine Fuel Stabilizer is formulated to help maintain fuel quality during periods of inactivity while supporting reliable engine operation.

Its year-round formula makes it a practical choice for boats that are used regularly but may sit for days or weeks between outings.

Advanced Ethanol & Corrosion Protection

Ethanol-blended gasoline can introduce additional moisture-management and corrosion concerns in marine fuel systems.

STA-BIL Marine Formula contains corrosion inhibitors designed to help protect metal fuel system components against moisture-related damage.

This added protection is especially valuable for marine environments where humidity and water exposure can affect fuel system reliability.

The formula helps manage moisture-related fuel problems, but it cannot reverse severe water contamination or ethanol phase separation once it has occurred.

Enhanced Fuel System Cleaning

STA-BIL Marine Formula includes additional fuel system cleaning agents compared with regular STA-BIL.

According to the supplied manufacturer information, Marine Formula contains more than four times the fuel system cleaner and twice the corrosion-preventing ingredients found in regular STA-BIL.

These additives help maintain cleaner fuel system components and support consistent engine performance.

Concentrated Formula for Larger Fuel Tanks

The 1-gallon STA-BIL Marine Fuel Stabilizer is a convenient option for boat owners who regularly treat larger amounts of gasoline.

Its concentrated formulation is described as treating approximately four times as much fuel per ounce as regular STA-BIL.

This makes the gallon container particularly useful for:

• Boats with larger gasoline fuel tanks
• Multiple-boat maintenance
• Frequent fuel treatment
• Marina and marine service applications
• Seasonal and year-round engine care

Always follow the treatment ratio printed on the product label to determine the correct amount for your fuel tank.

Ideal Applications

• Wake boats and wakesurf boats
• Inboard gasoline marine engines
• Gasoline-powered outboard engines
• Sterndrive (I/O) gasoline engines
• Recreational powerboats
• Ethanol-blended marine gasoline
• Seasonal fuel system maintenance
• Year-round fuel stabilization
• Boats stored between outings

Compatibility Note: Intended for compatible gasoline engines. Do not use in diesel fuel systems unless specifically approved by the manufacturer.

How to Use STA-BIL Marine Fuel Stabilizer

1. Review the product label for the recommended treatment ratio.
2. Determine the amount of gasoline being treated.
3. Measure the appropriate amount of STA-BIL Marine Formula.
4. Add the treatment to the fuel tank according to the manufacturer's instructions.
5. Add gasoline or operate the engine as directed to help distribute the treatment through the fuel system.
6. Repeat treatment as recommended during routine fueling or storage preparation.
7. For best results, treat fresh gasoline before significant degradation occurs.

What's Included

• (1) STA-BIL Marine Fuel Stabilizer & Performance Improver – 1 Gallon Container

Shop marine fuel treatments and engine maintenance products at Bakes Marine. Find STA-BIL fuel stabilizers, ethanol treatments, fogging oils, and other boat maintenance essentials to help protect your engine and fuel system throughout the boating season.