10 Best Gas Stabilizers 2025 in the United States

Sea Foam SF128 Motor Treatment is a versatile product suitable for both gas and diesel engines. It excels in stabilization duration, keeping fuel fresh for up to two years, which is beneficial for those who store fuel for extended periods. The product is effective in cleaning fuel deposits and sticky residues from various engine parts like injectors and carburetors, ensuring smoother engine performance.

The STA-BIL Storage Fuel Stabilizer is designed to keep gasoline fresh for up to two years, making it ideal for seasonal equipment or vehicles that sit unused for long periods. It works with all types of gasoline, including ethanol blends, providing versatility and reliability for most fuel types. One of its key benefits is preventing gum and varnish buildup, helping engines run smoothly and avoiding costly maintenance. The product is simple to use—just add the recommended amount to the fuel tank, eliminating the need to drain gas before storage and simplifying preparation.

The STAR BRITE Star Tron Enzyme Fuel Treatment is a versatile gas stabilizer that works with a wide range of vehicles and gas-powered tools, including passenger cars, ATVs, motorcycles, and marine equipment. One of its standout features is its ability to stabilize fuel for up to 2 years, which is impressive for vehicles or equipment that sit idle for long periods. Additionally, it helps rejuvenate old fuel and prevent ethanol-related issues like poor performance and reduced fuel economy.