Updated:May, 2026

10 Best Diesel Fuel Injector Cleaner Additive of 2026

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Best Choice

9.9

Outstanding

Hot Shot's Secret

Hot Shot’s Secret Everyday Diesel Treatment EDT 16 oz Squeeze – Treats 400 Gallons – 6-in-1 Diesel Fuel Additive, Injector and Fuel System Cleaner, Boosts Cetane

11% Off

Why We Love It

EVERYDAY TREATMENT: Keep your diesel engine in top condition with our EDT that is designed to improve performance & maintain engine health. With regular use, you can ensure your engine runs smoothly & efficiently giving you peace of mind on the road.
BOOST FUEL ECONOMY: Enhance your vehicle performance with our diesel additive that boosts cetane levels by up to 7 points resulting in better fuel economy & reduced maintenance costs. Say goodbye to poor acceleration & frequent trips to the mechanic.
FUEL INJECTOR CLEANER: Cleans both internal & external injector deposits, enhances the lubricity of fuel to safeguard the fuel system components, such as the pump & injectors to increase engine longevity while also acting as a fuel system cleaner.
PREVENTS RUST & CORROSION: While demulsifying moisture & adding stability to fuel by preventing oxidation & degradation, it also provides a reliable solution for protecting fuel systems from the damaging effects of rust & corrosion.
EASY TO USE: Use at every fill-up, 1 oz. or 2oz. (for more cetane and lubricity boost) for every 25 gallons of diesel, this product is easy to use! Just pour it into your diesel fuel tank during your next fill up.
POWERED BY SCIENCE: Our products are engineered to resolve issues, make equipment last longer and improve efficiency. Nothing leaves our building with our name on it unless we know it is absolutely the BEST it can be.

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Why We Love It

EVERYDAY TREATMENT: Keep your diesel engine in top condition with our EDT that is designed to improve performance & maintain engine health. With regular use, you can ensure your engine runs smoothly & efficiently giving you peace of mind on the road.
BOOST FUEL ECONOMY: Enhance your vehicle performance with our diesel additive that boosts cetane levels by up to 7 points resulting in better fuel economy & reduced maintenance costs. Say goodbye to poor acceleration & frequent trips to the mechanic.
FUEL INJECTOR CLEANER: Cleans both internal & external injector deposits, enhances the lubricity of fuel to safeguard the fuel system components, such as the pump & injectors to increase engine longevity while also acting as a fuel system cleaner.
PREVENTS RUST & CORROSION: While demulsifying moisture & adding stability to fuel by preventing oxidation & degradation, it also provides a reliable solution for protecting fuel systems from the damaging effects of rust & corrosion.
EASY TO USE: Use at every fill-up, 1 oz. or 2oz. (for more cetane and lubricity boost) for every 25 gallons of diesel, this product is easy to use! Just pour it into your diesel fuel tank during your next fill up.
POWERED BY SCIENCE: Our products are engineered to resolve issues, make equipment last longer and improve efficiency. Nothing leaves our building with our name on it unless we know it is absolutely the BEST it can be.

How We Find the Top Picks

We use smart data tools to review thousands of products and stores, analyzing ratings, reviews, and popularity trends to highlight what truly matters to shoppers like you.

Our experts then refine the results, blending AI insights with real user experiences to deliver accurate, up-to-date rankings that help you choose with confidence.

9.5

Excellent

Archoil

Archoil AR6400-D Diesel Fuel System Cleaner (12 oz) Deep Clean - Injector Cleaner, Turbo & DPF Deposit Control

Main Highlights

EASY TO USE: Pour into the fuel tank and drive normally; one 12 oz bottle treats 30-40 gallons of diesel. Use every 5,000 miles or as needed
RAPID-ACTING DEEP CLEAN: Concentrated diesel fuel system cleaner designed to work quickly on performance-robbing deposits to restore the fuel system
CLEANS INJECTORS FAST: Removes injector deposits and restores spray patterns for smoother running, improved response, and more efficient combustion
RESTORES DPF PERFORMANCE: Reduces deposit buildup to support a cleaner DPF and reduce regeneration frequency
TURBO DEPOSIT CONTROL: Reduces deposit buildup that affects turbo response, supporting smoother acceleration and restored boost
MAINTAIN RESULTS WITH AR6500: Follow up with Archoil AR6500 Diesel Treatment at every fill-up to keep the fuel system clean and address insufficient lubricity and cetane levels in diesel from the pump

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Main Highlights

EASY TO USE: Pour into the fuel tank and drive normally; one 12 oz bottle treats 30-40 gallons of diesel. Use every 5,000 miles or as needed
RAPID-ACTING DEEP CLEAN: Concentrated diesel fuel system cleaner designed to work quickly on performance-robbing deposits to restore the fuel system
CLEANS INJECTORS FAST: Removes injector deposits and restores spray patterns for smoother running, improved response, and more efficient combustion
RESTORES DPF PERFORMANCE: Reduces deposit buildup to support a cleaner DPF and reduce regeneration frequency
TURBO DEPOSIT CONTROL: Reduces deposit buildup that affects turbo response, supporting smoother acceleration and restored boost
MAINTAIN RESULTS WITH AR6500: Follow up with Archoil AR6500 Diesel Treatment at every fill-up to keep the fuel system clean and address insufficient lubricity and cetane levels in diesel from the pump

Value for Money

9.5

Excellent

Lucas Oil

Lucas Oil 10003 Fuel Treatment - 1 Quart

27% Off

Main Highlights

The worlds #1 fuel additive for both gasoline and diesel engines
A great tune-up in a bottle treats gasoline, diesel fuel and increases MPG
Cleans and lubricates the fuel system, including fuel injectors, carburetor and combustion chamber
Improves fuel economy by burning excess exhaust emissions
Increases power and acceleration by improving fuel flow and reducing deposit buildup
Neutralizes sulfur and other harmful contaminants present in the fuel system
Increases the life of pumps and injectors
Prevents rust and corrosion, prolonging the life of engine and fuel system components
Complies with federal low sulfur content requirements for diesel motor vehicles and non-road, locomotive and marine diesel equipment engines
Safely replaces the need for lead in older engines without causing harmful effects

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Main Highlights

The worlds #1 fuel additive for both gasoline and diesel engines
A great tune-up in a bottle treats gasoline, diesel fuel and increases MPG
Cleans and lubricates the fuel system, including fuel injectors, carburetor and combustion chamber
Improves fuel economy by burning excess exhaust emissions
Increases power and acceleration by improving fuel flow and reducing deposit buildup
Neutralizes sulfur and other harmful contaminants present in the fuel system
Increases the life of pumps and injectors
Prevents rust and corrosion, prolonging the life of engine and fuel system components
Complies with federal low sulfur content requirements for diesel motor vehicles and non-road, locomotive and marine diesel equipment engines
Safely replaces the need for lead in older engines without causing harmful effects

9.2

Excellent

Power Service

Power Service Diesel Kleen+Cetane Boost 64 oz, Pack of 1 3064-06 Grey

Main Highlights

Cleans dirty injectors and prevents injector sticking in both High Pressure Common Rail (HPCR) and older systems
Removes both internal and external deposits on fuel injectors
Restores lost power and fuel economy
Contains Slickdiesel Lubricator to protect fuel pumps and injectors from increased wear caused by poor quality Ultra Low Sulfur Diesel (ULSD) fuel
Effective in all diesel fuels, including ULSD, biodiesel and biodiesel blends

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Main Highlights

Cleans dirty injectors and prevents injector sticking in both High Pressure Common Rail (HPCR) and older systems
Removes both internal and external deposits on fuel injectors
Restores lost power and fuel economy
Contains Slickdiesel Lubricator to protect fuel pumps and injectors from increased wear caused by poor quality Ultra Low Sulfur Diesel (ULSD) fuel
Effective in all diesel fuels, including ULSD, biodiesel and biodiesel blends

9.0

Excellent

Hot Shot's Secret

Hot Shot's Secret - HSSEDT01G Everyday Diesel Treatment - EDT 1 Gallon - Treats Up to 3,200 Gallons

Main Highlights

EVERYDAY TREATMENT: Keep your diesel engine in top condition with our EDT that is designed to improve performance & maintain engine health. With regular use, you can ensure your engine runs smoothly & efficiently giving you peace of mind on the road.
BOOST FUEL ECONOMY: Enhance your vehicle performance with our diesel additive that boosts cetane levels by up to 7 points resulting in better fuel economy & reduced maintenance costs. Say goodbye to poor acceleration & frequent trips to the mechanic.
FUEL INJECTOR CLEANER: Cleans both internal & external injector deposits, enhances the lubricity of fuel to safeguard the fuel system components, such as the pump & injectors to increase engine longevity while also acting as a fuel system cleaner.
PREVENTS RUST & CORROSION: While demulsifying moisture & adding stability to fuel by preventing oxidation & degradation, it also provides a reliable solution for protecting fuel systems from the damaging effects of rust & corrosion.
EASY TO USE: Use at every fill-up, 1 oz. or 2oz. (for more cetane and lubricity boost) for every 25 gallons of diesel, this product is easy to use! Just pour it into your diesel fuel tank during your next fill up.

Check Price

Main Highlights

EVERYDAY TREATMENT: Keep your diesel engine in top condition with our EDT that is designed to improve performance & maintain engine health. With regular use, you can ensure your engine runs smoothly & efficiently giving you peace of mind on the road.
BOOST FUEL ECONOMY: Enhance your vehicle performance with our diesel additive that boosts cetane levels by up to 7 points resulting in better fuel economy & reduced maintenance costs. Say goodbye to poor acceleration & frequent trips to the mechanic.
FUEL INJECTOR CLEANER: Cleans both internal & external injector deposits, enhances the lubricity of fuel to safeguard the fuel system components, such as the pump & injectors to increase engine longevity while also acting as a fuel system cleaner.
PREVENTS RUST & CORROSION: While demulsifying moisture & adding stability to fuel by preventing oxidation & degradation, it also provides a reliable solution for protecting fuel systems from the damaging effects of rust & corrosion.
EASY TO USE: Use at every fill-up, 1 oz. or 2oz. (for more cetane and lubricity boost) for every 25 gallons of diesel, this product is easy to use! Just pour it into your diesel fuel tank during your next fill up.

8.8

Very Good

Hot Shot's Secret

Hot Shot’s Secret Diesel Extreme 1 Gallon – Treats 320 Gallons – Concentrated Diesel Fuel Additive, Fuel System Cleaner and Injector Cleaner, Restores Engine Performance

Main Highlights

CLEANS FUEL SYSTEM: Hot Shots Secret Diesel Extreme is designed to thoroughly clean, lubricate, and safeguard all components of your engine & fuel system, such as valves, pumps, rings, pistons, and upper cylinders.
CLEANS FUEL INJECTORS: Designed to eliminate & prevent the buildup of Internal Diesel Injector Deposits (IDIDs), External Diesel Injector Deposits (EDID's), as well as other stubborn varnish and deposits, this will keep your engine running smoothly.
BOOSTS CETANE: Increases cetane (up to 7 points), for a more efficient combustion process, improved fuel economy, & increased engine power. It also helps reduce the frequency of DPF regenerations, ensuring a smoother driving experience.
FIXES ISSUES: Non-alcohol-based water dispersant, fortified with military-grade rust and corrosion inhibitors, stabilizes & prevents rust, effectively dispersing moisture, this product ensures to improve overall engine performance.
EASY TO USE: With a simple application of 8 oz. for every 20 gallons, this product is easy to use! Just pour it into your fuel tank during your next fill up or every 6,000 miles
POWERED BY SCIENCE: Our products are engineered to resolve issues, make equipment last longer and improve efficiency. Nothing leaves our building with our name on it unless we know it is absolutely the BEST it can be.

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Main Highlights

CLEANS FUEL SYSTEM: Hot Shots Secret Diesel Extreme is designed to thoroughly clean, lubricate, and safeguard all components of your engine & fuel system, such as valves, pumps, rings, pistons, and upper cylinders.
CLEANS FUEL INJECTORS: Designed to eliminate & prevent the buildup of Internal Diesel Injector Deposits (IDIDs), External Diesel Injector Deposits (EDID's), as well as other stubborn varnish and deposits, this will keep your engine running smoothly.
BOOSTS CETANE: Increases cetane (up to 7 points), for a more efficient combustion process, improved fuel economy, & increased engine power. It also helps reduce the frequency of DPF regenerations, ensuring a smoother driving experience.
FIXES ISSUES: Non-alcohol-based water dispersant, fortified with military-grade rust and corrosion inhibitors, stabilizes & prevents rust, effectively dispersing moisture, this product ensures to improve overall engine performance.
EASY TO USE: With a simple application of 8 oz. for every 20 gallons, this product is easy to use! Just pour it into your fuel tank during your next fill up or every 6,000 miles
POWERED BY SCIENCE: Our products are engineered to resolve issues, make equipment last longer and improve efficiency. Nothing leaves our building with our name on it unless we know it is absolutely the BEST it can be.

8.6

Very Good

Archoil

Archoil AR6500 Diesel Treatment (40 oz) Treats 400 Gallons, Diesel Fuel Additive - Lubricity Improver, Injector Cleaner, DPF & Turbo Deposit Control, Cetane Booster

Main Highlights

EASY USE AT EVERY FILL-UP: Add directly to the fuel tank at each fill-up. The long neck and measuring chamber make treating fuel simple. One 40 oz bottle treats up to 400 gallons
FOR ALL DIESEL ENGINES: Suitable for use in all diesel vehicles and equipment - light-duty, heavy-duty, pickup, SUV, van, RV, etc. (including modern HPCR systems)
IMPROVES LUBRICITY (ASTM D6079): Tested to improve lubricity by 43% to help protect fuel system components, including wear-sensitive parts like the CP4 pump
BOOSTS CETANE UP TO +8: Raises cetane up to 8 points for faster ignition, smoother combustion, and improved drivability; many engines run best around 4850 while pump diesel is often 4045
CLEANS INJECTORS: AR6500's detergent package removes injector deposits and restores spray patterns for improved atomization, supporting better performance and fuel economy
SUPPORTS DPF & REDUCES REGENS: Targets deposit formation to help keep the DPF clean and reduce regeneration frequency restores performance, fuel economy, and extends DPF lifespan
KEEPS TURBO CLEAN: Helps reduce fuel soot and deposit formation that impacts turbo response, restoring boost and smoother acceleration

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Main Highlights

EASY USE AT EVERY FILL-UP: Add directly to the fuel tank at each fill-up. The long neck and measuring chamber make treating fuel simple. One 40 oz bottle treats up to 400 gallons
FOR ALL DIESEL ENGINES: Suitable for use in all diesel vehicles and equipment - light-duty, heavy-duty, pickup, SUV, van, RV, etc. (including modern HPCR systems)
IMPROVES LUBRICITY (ASTM D6079): Tested to improve lubricity by 43% to help protect fuel system components, including wear-sensitive parts like the CP4 pump
BOOSTS CETANE UP TO +8: Raises cetane up to 8 points for faster ignition, smoother combustion, and improved drivability; many engines run best around 4850 while pump diesel is often 4045
CLEANS INJECTORS: AR6500's detergent package removes injector deposits and restores spray patterns for improved atomization, supporting better performance and fuel economy
SUPPORTS DPF & REDUCES REGENS: Targets deposit formation to help keep the DPF clean and reduce regeneration frequency restores performance, fuel economy, and extends DPF lifespan
KEEPS TURBO CLEAN: Helps reduce fuel soot and deposit formation that impacts turbo response, restoring boost and smoother acceleration

8.3

Very Good

Lucas Oil

Lucas Oil 10013 Fuel Treatment - 1 Gallon

Main Highlights

The worlds #1 fuel additive for both gasoline and diesel engines
A great tune-up in a bottle treats gasoline, diesel fuel and increases MPG
Cleans and lubricates the fuel system, including fuel injectors, carburetor and combustion chamber
Improves fuel economy by burning excess exhaust emissions
Increases power and acceleration by improving fuel flow and reducing deposit buildup
Neutralizes sulfur and other harmful contaminants present in the fuel system
Increases the life of pumps and injectors
Prevents rust and corrosion, prolonging the life of engine and fuel system components
Complies with federal low sulfur content requirements for diesel motor vehicles and non-road, locomotive and marine diesel equipment engines
Safely replaces the need for lead in older engines without causing harmful effects

Check Price

Main Highlights

The worlds #1 fuel additive for both gasoline and diesel engines
A great tune-up in a bottle treats gasoline, diesel fuel and increases MPG
Cleans and lubricates the fuel system, including fuel injectors, carburetor and combustion chamber
Improves fuel economy by burning excess exhaust emissions
Increases power and acceleration by improving fuel flow and reducing deposit buildup
Neutralizes sulfur and other harmful contaminants present in the fuel system
Increases the life of pumps and injectors
Prevents rust and corrosion, prolonging the life of engine and fuel system components
Complies with federal low sulfur content requirements for diesel motor vehicles and non-road, locomotive and marine diesel equipment engines
Safely replaces the need for lead in older engines without causing harmful effects

8.1

Very Good

Archoil

Archoil Diesel Fuel System Kit - AR6400-D (12 oz) + AR6500 (40 oz) - Complete Restoration For All Diesel Engines, Injector Cleaner, Lubricity Improver, DPF & Turbo Deposit Control, Cetane Booster

Main Highlights

TWO-STEP FUEL SYSTEM RESET: Includes AR6400-D Diesel Fuel System Cleaner + AR6500 Diesel Treatment (40 oz) for a complete clean-and-maintain solution
HOW IT WORKS: Use AR6400-D first for a deep clean (12 oz treats 30-40 gallons), then use AR6500 at every fill-up for ongoing protection (40 oz treats up to 400 gallons)
FOR ALL DIESEL ENGINES: Suitable for all diesel vehicles and equipment, including modern HPCR systems
CLEANS INJECTORS & RESTORES RESPONSE: Removes injector deposits and restores spray patterns for smoother running, improved response, and more efficient combustion
IMPROVES LUBRICITY (ASTM D6079): AR6500 is tested to improve lubricity by 43% to protect fuel system components, including wear-sensitive parts like the CP4 pump
BOOSTS CETANE UP TO +8: AR6500 raises cetane up to 8 points for faster ignition, smoother combustion, and improved drivability
SUPPORTS DPF & REDUCES REGENS: Targets deposit formation to help keep the DPF clean and reduce regeneration frequency - supporting performance and fuel economy
KEEPS TURBO CLEAN: Reduces deposit formation that impacts turbo response for restored boost and smoother acceleration

Check Price

Main Highlights

TWO-STEP FUEL SYSTEM RESET: Includes AR6400-D Diesel Fuel System Cleaner + AR6500 Diesel Treatment (40 oz) for a complete clean-and-maintain solution
HOW IT WORKS: Use AR6400-D first for a deep clean (12 oz treats 30-40 gallons), then use AR6500 at every fill-up for ongoing protection (40 oz treats up to 400 gallons)
FOR ALL DIESEL ENGINES: Suitable for all diesel vehicles and equipment, including modern HPCR systems
CLEANS INJECTORS & RESTORES RESPONSE: Removes injector deposits and restores spray patterns for smoother running, improved response, and more efficient combustion
IMPROVES LUBRICITY (ASTM D6079): AR6500 is tested to improve lubricity by 43% to protect fuel system components, including wear-sensitive parts like the CP4 pump
BOOSTS CETANE UP TO +8: AR6500 raises cetane up to 8 points for faster ignition, smoother combustion, and improved drivability
SUPPORTS DPF & REDUCES REGENS: Targets deposit formation to help keep the DPF clean and reduce regeneration frequency - supporting performance and fuel economy
KEEPS TURBO CLEAN: Reduces deposit formation that impacts turbo response for restored boost and smoother acceleration

8.1

Very Good

Stanadyne

Stanadyne Performance * Diesel Injector Cleaner * QTY of 4 - 8oz bottles #43562

Main Highlights

Performance Formula Injector Cleaner is a "One Tank" Clean-Up
Lubricates fuel system components to help prevent wear
Use 4 - 6 times per year as preventive maintenance or when engine performance issues arise
The only Diesel Injector Cleaner made by a Fuel Injection Manufacturer
Each bottle treats up to 25 Gallons of Diesel Fuel

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Main Highlights

Performance Formula Injector Cleaner is a "One Tank" Clean-Up
Lubricates fuel system components to help prevent wear
Use 4 - 6 times per year as preventive maintenance or when engine performance issues arise
The only Diesel Injector Cleaner made by a Fuel Injection Manufacturer
Each bottle treats up to 25 Gallons of Diesel Fuel

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