10 Best fuel treatments of 2025

Save up to 42% off

Best Choice

1

Archoil

Archoil AR6500 Diesel Treatment (40 oz) Two Pack - Treats 800 Gallons - Additive for All Diesel Vehicles
9.8

Exceptional

Our Rating
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Value for Money

2

Archoil
Archoil Diesel Fuel System Kit - AR6500 Diesel Treatment (40 oz) + AR6400-D Diesel Fuel System Cleaner
Main highlights

Fuel System Restoration
Restores key fuel system components like injectors, turbo & DPF.

Best for Diesel Engines
Ideal for improving performance and MPG in diesel engines.

Praised for Fuel Economy
Customers praise its ability to boost fuel mileage significantly.
9.6

Exceptional

Our Rating

9.7
Long life

9.5
distance

9.1
worth the money
3

Lucas Oil
Lucas Oil LUC10020 Fuel Treatment - 5.25 Oz, multi-colored
Main highlights

Fuel System Lubrication and Cleaning
Cleans and lubricates the fuel system, including fuel injectors, carburetor, and combustion chamber. Neutralizes sulfur and other harmful contaminants, improving fuel economy and engine performance.

Versatile Application for Various Engines
Ideal for gasoline and diesel engines, including cars, trucks, lawnmowers, boats, and motorcycles. Suitable for both high RPM and heavy-duty applications.

Improved Engine Performance and Smooth Operation
Customers frequently praise the product for improving engine performance, reducing rough running, and preventing issues like sputtering and stalling.
9.4

Excellent

Our Rating

9.7
Simple to use

9.5
worth the money

9.5
Long life
4

STAR BRITE
STAR BRITE Star Tron Enzyme Fuel Treatment - Concentrated Formula 32 Fl. Oz. – Treats up to 512 Gallons - Fuel Stabilizer & Treatment, Gasoline Stabilizer, Star Tron Marine Enzyme Fuel Treatment

10% Off
Main highlights

All-Engine Fuel Solution
Works in all engines and fuels, ideal for vehicles and tools.

Ethanol Problem Solver
Prevents and cures ethanol-related issues, ensuring better performance.

Highly Praised for Reliability
Customers appreciate its effectiveness in preventing fuel-related problems.
Key specs
- product dimensions:3 x 4.5 x 10.25 inches
- item size:1.9 pounds
- special features:Ethanol problem solver
- fuel type:All engines and fuels
- package dimensions:N/A
9.1

Excellent

Our Rating

9.3
worth the money

9.1
distance
5

Lucas Oil
Lucas Oil 10977 High Mileage Fuel Treatment - 5.25 Ounce

42% Off
Main highlights

Cleans and Protects Engine
Lucas Oil 10977 cleans fuel injectors, reduces deposits, and lubricates critical components for enhanced engine performance.

Ideal for Older Vehicles
Perfect for older engines, reducing oil contamination and improving smoothness.

Improves Engine Smoothness
Customers praise its ability to make engines run smoother and reduce knocking.
Key specs
- product dimensions:1.6 x 1.6 x 7.5 inches
- item size:5.25 Ounce
- special features:Clean fuel injectors
- fuel type:N/A
- package dimensions:N/A
9.0

Excellent

Our Rating
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6

Chevron
Chevron Techron Concentrate Plus Fuel System Cleaner, 20 oz., Pack of 1
Main highlights

Effective Fuel System Cleaner
Reduces rough idle, engine surge, hesitation, and spark plug fouling.

Versatile Use Cases
Ideal for cars, motorcycles, lawn mowers, and garden equipment.

Highly Praised Performance
Customers appreciate its ability to improve engine smoothness and fuel efficiency.
8.9

Very Good

Our Rating

9.7
Simple to use

9.7
materials Quality

9.1
Long life
7

Royal Purple
Royal Purple 18000 Max Atomizer Fuel Injector Cleaner, 6 fl. oz.
Main highlights

Fuel Efficiency Booster
Restores fuel economy and maximizes horsepower for better performance.

Versatile Engine Compatibility
Ideal for both gasoline and diesel engines, stabilizes ethanol.

Customer Praised Effectiveness
Improves engine responsiveness and smoothness, as noted in reviews.
8.8

Very Good

Our Rating

9.7
Simple to use

8.9
worth the money

8.7
distance
8

Red Line
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
Main highlights

Comprehensive Cleaning Power
Red Line SI-1 effectively cleans injectors, carburetors, and valves.

Ideal for Older Vehicles
Best used in vehicles with suspected fuel system fouling.

Notable Mileage Improvement
Customers report significant gas mileage increases after treatment.
Key specs
- Performance Improvement:Enhances gasoline stability
- Compatibility:Fuel systems
- Cleaner Function:Cleans injectors and carburetors
- Emission Reduction:Reduces gum and varnish
- Fuel Economy:N/A
8.5

Good

Our Rating

9.7
Simple to use

9.5
quality of ingredients

9.3
worth the money
9

STP
STP Complete Fuel System Cleaner, Fuel Cleaner Deep Cleans Entire Fuel System, 5.25 Oz, Multicoloured, 1 Count (Pack of 1)

11% Off
Main highlights

Fuel System Cleaning
Removes deposits from entire fuel system to restore performance.

Ideal for Cap-less Fuel Tanks
Compatible with cap-less fuel tanks, making it user-friendly.

Check Engine Light Solution
Frequently praised for turning off check engine lights.
Key specs
- Performance Improvement:Restores performance
- Compatibility:Cap-less fuel tanks
- Cleaner Function:Removes deposits
- Emission Reduction:Inhibits corrosion
- Fuel Economy:Save gas
8.4

Good

Our Rating

9.9
Simple to use

9.5
worth the money

9.3
distance
10

Lucas Oil
Lucas Upper Cylinder Lubricant & Fuel Injector Cleaner (5.25 oz.)-12 Pack
Main highlights

Enhanced Performance and Efficiency
Increases power and miles per gallon by burning excess exhaust emissions.

Ideal for Stored Fuel
Perfect for maintaining fuel quality in stored equipment and vehicles.

Highly Praised for Fuel Economy
Customers report significant improvements in miles per gallon and engine performance.
8.3

Good

Our Rating

9.9
worth the money

9.7
Simple to use

9.3
materials Quality

10 Best fuel treatments of 2025

1

Archoil AR6500 Diesel Treatment (40 oz) Two Pack - Treats 800 Gallons - Additive for All Diesel Vehicles

How do we rank?

How do we rank?

Analyzing top stores

2

Archoil Diesel Fuel System Kit - AR6500 Diesel Treatment (40 oz) + AR6400-D Diesel Fuel System Cleaner

9.7

9.5

9.1

3

Lucas Oil LUC10020 Fuel Treatment - 5.25 Oz, multi-colored

9.7

9.5

9.5

4

STAR BRITE Star Tron Enzyme Fuel Treatment - Concentrated Formula 32 Fl. Oz. – Treats up to 512 Gallons - Fuel Stabilizer & Treatment, Gasoline Stabilizer, Star Tron Marine Enzyme Fuel Treatment

9.3

9.1

5

Lucas Oil 10977 High Mileage Fuel Treatment - 5.25 Ounce

6

Chevron Techron Concentrate Plus Fuel System Cleaner, 20 oz., Pack of 1

9.7

9.7

9.1

7

Royal Purple 18000 Max Atomizer Fuel Injector Cleaner, 6 fl. oz.

9.7

8.9

8.7

8

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

9.7

9.5

9.3

9

STP Complete Fuel System Cleaner, Fuel Cleaner Deep Cleans Entire Fuel System, 5.25 Oz, Multicoloured, 1 Count (Pack of 1)

9.9

9.5

9.3

10

Lucas Upper Cylinder Lubricant & Fuel Injector Cleaner (5.25 oz.)-12 Pack

9.9

9.7

9.3

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