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10 Best Gas Treatments 2025 in the United States
#1
Winner
STA-BIL Storage Fuel Stabilizer | Keeps Fuel Fresh for 24 Months, Prevents Corrosion, Gasoline Treatment Fuel Additive that Protects Fuel System, Gas Stabilizer for Fuel Storage, 32 oz.
The STA-BIL Storage Fuel Stabilizer is designed primarily to keep gasoline fresh for up to 24 months, which is excellent for anyone who stores fuel for seasonal equipment or vehicles. It protects against corrosion and prevents build-up of gum and varnish in the fuel system, which can save you costly repairs. This stabilizer works well with all gasoline types, including ethanol blends from E-10 to E-85, and is suitable for both 2-cycle and 4-cycle engines. This versatility makes it a good choice for a variety of equipment like lawnmowers, motorcycles, boats, and generators.
Rating
9.9
Chosen by1,259
Type of Gas Treatment
Compatibility with Fuel Type
Frequency of Use
Most important from
32930 reviews
#2
Chevron Techron Concentrate Plus Fuel System Cleaner, 20 oz., Pack of 1
The Chevron Techron Concentrate Plus Fuel System Cleaner is a well-regarded product in the gas treatments category, particularly known for its quality and effectiveness. As a concentrated fuel system cleaner, it is designed to work specifically with gasoline engine fuel tanks. One of the standout features is its ability to reduce rough idle, engine surge, hesitation, and spark plug fouling, which can be significant benefits for maintaining engine performance and longevity.
Rating
9.8
Type of Gas Treatment
Compatibility with Fuel Type
Concentration and Dosage
Most important from
15635 reviews
#3
Lucas Oil 10003 Fuel Treatment - 1 Quart
The Lucas Oil 10003 Fuel Treatment is a versatile gas additive suitable for both gasoline and diesel engines. It's marketed as the world's top fuel additive and is designed to improve fuel economy, increase power, and extend the life of engine components. Notably, it cleans and lubricates the fuel system, including injectors and carburetors, and helps in reducing harmful exhaust emissions.
Rating
9.8
Compatibility with Fuel Type
Frequency of Use
Concentration and Dosage
Most important from
13723 reviews
Top 10 Best Gas Treatments 2025 in the United States
#1
Winner
9.9 score
STA-BIL Storage Fuel Stabilizer | Keeps Fuel Fresh for 24 Months, Prevents Corrosion, Gasoline Treatment Fuel Additive that Protects Fuel System, Gas Stabilizer for Fuel Storage, 32 oz.
STA-BIL Storage Fuel Stabilizer | Keeps Fuel Fresh for 24 Months, Prevents Corrosion, Gasoline Treatment Fuel Additive that Protects Fuel System, Gas Stabilizer for Fuel Storage, 32 oz.
Type of Gas Treatment: Storage Fuel Stabilizer
Compatibility with Fuel Type: All gasoline and ethanol blends
Concentration and Dosage: 1 oz treats 2.5 gallons fuel
Brand Reputation and Reviews: #1 in Fuel Additives
Chosen by 1259 this week
Chevron Techron Concentrate Plus Fuel System Cleaner, 20 oz., Pack of 1
Chevron Techron Concentrate Plus Fuel System Cleaner, 20 oz., Pack of 1
Type of Gas Treatment: Fuel System Cleaner
Compatibility with Fuel Type: Gasoline
Frequency of Use: Single-use
Concentration and Dosage: Concentrated, 20 oz. per use
Brand Reputation and Reviews: Chevron, 4.6 stars from 15,000 reviews
Lucas Oil 10003 Fuel Treatment - 1 Quart
Lucas Oil 10003 Fuel Treatment - 1 Quart
Type of Gas Treatment: Fuel Treatment
Compatibility with Fuel Type: Gasoline and diesel
Red Line 60103 SI-1 Complete Fuel System Cleaner, Cleans and Prevents Corrosion in Fuel Systems, Cleans Injectors, Carburetors, Valve and Combustion Chamber Deposits - 15 Ounce
Red Line 60103 SI-1 Complete Fuel System Cleaner, Cleans and Prevents Corrosion in Fuel Systems, Cleans Injectors, Carburetors, Valve and Combustion Chamber Deposits - 15 Ounce
Type of Gas Treatment: Complete Fuel System Cleaner
Compatibility with Fuel Type: gasoline
Frequency of Use: use regularly as recommended
Concentration and Dosage: one 15-ounce bottle per tank
Brand Reputation and Reviews: strong brand, 7,000+ positive reviews
Lucas Oil LUC10020 Fuel Treatment - 5.25 Oz, multi-colored
Lucas Oil LUC10020 Fuel Treatment - 5.25 Oz, multi-colored
Type of Gas Treatment: Fuel Treatment
Compatibility with Fuel Type: Gasoline and diesel engines
Frequency of Use: Occasional use
Concentration and Dosage: 5.25 oz bottle
Brand Reputation and Reviews: 4.8/5 stars from 21,579 ratings
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Up to 13% off
Chevron Techron High Mileage Fuel System Cleaner, 12 oz, Pack of 6
Chevron Techron High Mileage Fuel System Cleaner, 12 oz, Pack of 6
Type of Gas Treatment: High mileage cleaner
Compatibility with Fuel Type: Ethanol-blended fuels, E10, E85
Concentration and Dosage: Six 12-ounce bottles
Brand Reputation and Reviews: Chevron, 4.6-star rating, 874 reviews
Gumout 510011 Multi-System Tune-Up, Fuel Stabilizer Injector Cleaner & Gas Treatment, 16 oz, Full Fuel System Cleaner - Improves Engine Performance, Cleans & Removes Deposits and Residue (Pack of 6)
Gumout 510011 Multi-System Tune-Up, Fuel Stabilizer Injector Cleaner & Gas Treatment, 16 oz, Full Fuel System Cleaner - Improves Engine Performance, Cleans & Removes Deposits and Residue (Pack of 6)
Type of Gas Treatment: Multi-System Tune-Up
Compatibility with Fuel Type: gasoline, diesel, ethanol blends
Frequency of Use: frequent or regular maintenance
Concentration and Dosage: 16-ounce bottle
Brand Reputation and Reviews: 4.7 stars, 3,819 ratings
Berryman (0116-12PK) B-12 Chemtool Carburetor/Fuel Treatment and Injector Cleaner - 15 oz., (Pack of 12)
Berryman (0116-12PK) B-12 Chemtool Carburetor/Fuel Treatment and Injector Cleaner - 15 oz., (Pack of 12)
Type of Gas Treatment: Carburetor and Injector Cleaner
Compatibility with Fuel Type: Works with many fuel types
Frequency of Use: Use regularly
Brand Reputation and Reviews: 4.8 stars from 273 ratings
Seafoam SF-16-12 Motor Treatment for Gas Applications, Case of 12, 16oz Bottle
Seafoam SF-16-12 Motor Treatment for Gas Applications, Case of 12, 16oz Bottle
Type of Gas Treatment: Motor Treatment
Compatibility with Fuel Type: gasoline engines
Frequency of Use: regularly
Concentration and Dosage: added directly to fuel tank
Brand Reputation and Reviews: solid quality reputation
#10
8.2 score
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Buying Guide for the Best Gas Treatments
Choosing the right gas treatment for your vehicle can help improve engine performance, fuel efficiency, and reduce emissions. Gas treatments are additives that you pour into your fuel tank to clean and protect your engine. When selecting a gas treatment, it's important to understand the different types and their specific benefits to ensure you pick the one that best suits your vehicle's needs.Type of Gas TreatmentThere are several types of gas treatments, including fuel injector cleaners, fuel stabilizers, octane boosters, and complete fuel system cleaners. Fuel injector cleaners help remove deposits from fuel injectors, improving fuel flow and engine performance. Fuel stabilizers are used to keep fuel fresh during storage, preventing it from breaking down and causing engine issues. Octane boosters increase the octane level of your fuel, which can help prevent engine knocking and improve performance. Complete fuel system cleaners address multiple areas of the fuel system, providing a thorough cleaning. Choose the type based on your specific needs, such as regular maintenance, storage, or performance enhancement.
Compatibility with Fuel TypeGas treatments are formulated for different types of fuel, such as gasoline, diesel, or ethanol blends. It's important to select a gas treatment that is compatible with the type of fuel your vehicle uses. Using the wrong type of treatment can lead to ineffective results or even damage to your engine. Always check the product label to ensure it matches your vehicle's fuel type.
Frequency of UseGas treatments vary in how often they should be used. Some are designed for regular use with every fill-up, while others are intended for periodic use, such as every few thousand miles or before long-term storage. Regular use treatments can help maintain engine cleanliness and performance, while periodic treatments provide a deeper clean or specific benefits like fuel stabilization. Consider your driving habits and maintenance schedule when choosing a treatment frequency that fits your needs.
Concentration and DosageThe concentration and dosage of gas treatments can vary, with some products requiring a specific amount per gallon of fuel. Higher concentration treatments may offer more potent cleaning or performance benefits but need to be used carefully to avoid over-treatment. Always follow the manufacturer's instructions for the correct dosage to ensure optimal results and prevent potential engine damage. If you're unsure, start with a lower concentration treatment and adjust as needed based on your vehicle's performance.
Brand Reputation and ReviewsThe reputation of the brand and user reviews can provide valuable insights into the effectiveness and reliability of a gas treatment. Established brands with positive reviews are more likely to offer high-quality products that deliver on their promises. Look for reviews from other vehicle owners with similar needs to yours to gauge how well a product might work for you. While brand reputation is not the only factor to consider, it can help narrow down your options and increase your confidence in the product you choose.