Best Diesel Fuel Additives

Looking for the best diesel fuel additives to keep your engine running smoothly and efficiently? Discover top-rated options that boost fuel economy, clean injectors, and protect your engine—all tested for performance and reliability.

Diesel engines need top care to run smoothly and efficiently. The right fuel additive can make a big difference. It keeps your engine clean, powerful, and reliable.

Boost fuel economy, clean injectors, and protect your engine with the best diesel fuel additives. These products are easy to use and proven to work.

List of Top 10 Diesel Fuel Additives

Image Title Best For Price
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 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

Hot Shot’s Secret Everyday Diesel Treatment is perfect for diesel drivers who want to keep their engines running smoothly and save on fuel costs. It’s easy to use and works for all diesel vehicles, making it ideal for daily drivers, truckers, and fleet owners.

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

This Hot Shot’s Secret Everyday Diesel Treatment is perfect for diesel vehicle owners who want to keep their engines running smoothly and efficiently. It’s for anyone who wants to boost fuel economy, clean their fuel injectors, and protect their fuel system from rust and corrosion.

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

This product is perfect for diesel drivers who want to keep their engines clean and powerful. It’s great for anyone using ULSD, biodiesel, or blends and wants to protect their fuel system while saving on fuel costs.

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Power Service Diesel Kleen +Cetane Boost - 12 Ounce (Pack of 9) Power Service Diesel Kleen +Cetane Boost – 12 Ounce (Pack of 9)

Power Service Diesel Kleen +Cetane Boost is perfect for diesel truck owners and fleet managers who want to maximize engine performance and fuel efficiency. It’s also ideal for anyone who wants to protect their fuel system from wear and tear, especially when using Ultra Low Sulfur Diesel (ULSD).

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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 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

This Archoil Diesel Fuel System Kit is perfect for diesel vehicle owners who want to keep their engines running smoothly. It’s great for anyone with a diesel car, truck, or equipment looking to clean injectors, boost performance, and protect their fuel system.

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Archoil AR6500 Diesel Treatment (40 oz) Two Pack - Treats 800 Gallons, Diesel Fuel Additive - Lubricity Improver, Injector Cleaner, DPF & Turbo Deposit Control, Cetane Booster Archoil AR6500 Diesel Treatment (40 oz) Two Pack – Treats 800 Gallons, Diesel Fuel Additive – Lubricity Improver, Injector Cleaner, DPF & Turbo Deposit Control, Cetane Booster

Archoil AR6500 Diesel Treatment is perfect for anyone with a diesel vehicle or equipment. Whether you drive a pickup, SUV, van, or RV, or use heavy-duty machinery, this product keeps your engine running smoothly.

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Power Service Diesel Kleen + Cetane Boost 64oz Bottle (6 Pack) - Universal Fit, Boosts Cetane Up to 6 Numbers, Cleans Injectors, 10.17536 Liters Power Service Diesel Kleen + Cetane Boost 64oz Bottle (6 Pack) – Universal Fit, Boosts Cetane Up to 6 Numbers, Cleans Injectors, 10.17536 Liters

This product is perfect for diesel drivers who want smoother, more powerful engines. It’s great for anyone using diesel fuel, including ULSD, biodiesel, or blends.

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Stanadyne Diesel Performance Formula 38566, 64 Ounce Stanadyne Diesel Performance Formula 38566, 64 Ounce

This diesel fuel additive is perfect for anyone who wants top performance and clean fuel. It’s great for drivers of trucks, tractors, or heavy equipment who need reliable fuel in any season.

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Stanadyne Performance Formula Diesel Fuel Additive - 16 Oz. Case of 12 Stanadyne Performance Formula Diesel Fuel Additive – 16 Oz. Case of 12

This diesel fuel additive is perfect for anyone who wants to improve their vehicle’s performance. It’s great for drivers looking to save on fuel and keep their engine running smoothly.

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Hot Shot’s Secret Everyday Diesel Treatment EDT 16 oz Squeeze 2-PK – Treats 800 Gallons – 6-in-1 Diesel Fuel Additive, Injector and Fuel System Cleaner, Boosts Cetane Hot Shot’s Secret Everyday Diesel Treatment EDT 16 oz Squeeze 2-PK – Treats 800 Gallons – 6-in-1 Diesel Fuel Additive, Injector and Fuel System Cleaner, Boosts Cetane

Diesel truck owners and frequent drivers need this. It boosts cetane, cleans injectors, prevents rust, and saves fuel. Use it every fill-up for smoother, longer-lasting engines.

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Detailed Reviews

Find the best diesel fuel additives that deliver peak performance, cleaner engines, and longer-lasting power. Each pick is expert-tested and driver-approved, offering boosted cetane, reduced wear, and smoother runs. Trust our top choices to save fuel, cut costs, and keep your diesel in top-tier shape—effortlessly.

1. 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

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

Keep your diesel engine running smoothly and efficiently with Hot Shot’s Secret Everyday Diesel Treatment. This powerful additive is your key to a healthier, more responsive engine.

Boost your fuel economy significantly. Get up to 7 points more cetane. Enjoy reduced maintenance costs.

This treatment acts as a fuel injector cleaner, safeguarding your system. It also prevents rust and corrosion. Plus, it’s super easy to use at every fill-up!

Pros Cons
  • Boosts engine performance and fuel economy with regular use.
  • Cleans injectors and protects fuel systems for longer engine life.
  • Prevents rust and corrosion, keeping fuel systems healthy.
  • Easy to use at every fill-up for hassle-free maintenance.
  • Not for gas engines, only diesel, so check your vehicle type.
  • Regular use needed for best results, don’t skip treatments.
  • Small bottle, treats 400 gallons, but refills may be frequent.

Perfect For:

Hot Shot’s Secret Everyday Diesel Treatment is perfect for diesel drivers who want to keep their engines running smoothly and save on fuel costs. It’s easy to use and works for all diesel vehicles, making it ideal for daily drivers, truckers, and fleet owners.

Ready to Purchase?

2. Hot Shot’s Secret – HSSEDT01G Everyday Diesel Treatment – EDT 1 Gallon – Treats Up to 3,200 Gallons

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

Keep your diesel engine running its best with Hot Shot’s Secret Everyday Diesel Treatment. This powerful formula is designed to improve performance and maintain engine health. Enjoy a smoother, more efficient ride every time you drive.

Boost your fuel economy and reduce maintenance costs. This treatment enhances cetane levels for better acceleration.

It also cleans fuel injectors and prevents rust and corrosion. Simply add it at every fill-up for easy, ongoing protection.

Pros Cons
  • Boosts engine performance and efficiency.
  • Saves you money on fuel.
  • Protects your engine from wear.
  • Keeps your fuel system clean.
  • Not for gas engines, only works with diesel fuel.
  • Frequent use needed, must add with every fill-up.
  • Large size, 1-gallon jug may be bulky to store.

Perfect For:

This Hot Shot’s Secret Everyday Diesel Treatment is perfect for diesel vehicle owners who want to keep their engines running smoothly and efficiently. It’s for anyone who wants to boost fuel economy, clean their fuel injectors, and protect their fuel system from rust and corrosion.

Ready to Purchase?

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

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

Power Service Diesel Kleen+Cetane Boost keeps your diesel engine running smoothly. It cleans injectors and prevents sticking, ensuring your engine performs at its best.

Works with all diesel fuels, including ULSD and biodiesel blends. Protects fuel pumps and injectors from wear. Restores power and fuel economy quickly.

Pros Cons
  • Cleans and protects your diesel engine.
  • Restores lost power and fuel economy.
  • Prevents injector sticking.
  • Lubricates and protects fuel systems.
  • Not for gas engines, only works with diesel fuel.
  • Large 64 oz size may be too much for small users.
  • No instant results, requires regular use for best effects.

Perfect For:

This product is perfect for diesel drivers who want to keep their engines clean and powerful. It’s great for anyone using ULSD, biodiesel, or blends and wants to protect their fuel system while saving on fuel costs.

Ready to Purchase?

4. Power Service Diesel Kleen +Cetane Boost – 12 Ounce (Pack of 9)

Power Service Diesel Kleen +Cetane Boost - 12 Ounce (Pack of 9)

Give your diesel engine the ultimate performance boost with Power Service Diesel Kleen +Cetane Boost! This powerful formula cleans injectors and keeps them running smoothly, whether you have a modern HPCR system or an older one.

Say goodbye to lost power and poor fuel economy. Diesel Kleen not only removes stubborn deposits but also adds Slickdiesel Lubricator to shield your fuel pump and injectors from wear. It works wonders in all diesel fuels, including biodiesel blends.

Restore your engine’s vigor. Experience smoother runs. Enjoy better mileage.

Pros Cons
  • Cleans dirty injectors.
  • Prevents injector sticking.
  • Restores lost power.
  • Boosts fuel economy.
  • Protects fuel pumps.
  • Small bottle size, need more.
  • Pricey for a small pack.

Perfect For:

Power Service Diesel Kleen +Cetane Boost is perfect for diesel truck owners and fleet managers who want to maximize engine performance and fuel efficiency. It’s also ideal for anyone who wants to protect their fuel system from wear and tear, especially when using Ultra Low Sulfur Diesel (ULSD).

Ready to Purchase?

5. 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

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

Revitalize your diesel engine with this powerful two-step system. It’s designed for a complete fuel system reset. Get ready for a smoother, more responsive ride.

This kit offers a deep clean followed by ongoing protection. Your engine will thank you.

It works on all diesel engines, from old to new. Clean injectors mean better performance. Boost your cetane for quicker starts. Protect your DPF and turbo for lasting power.

Pros Cons
  • Complete diesel engine restoration in two simple steps.
  • Cleans injectors, restores performance, and boosts fuel efficiency.
  • Protects fuel system parts with 43% better lubricity.
  • Reduces DPF regens and keeps turbo clean.
  • Initial deep clean might need a second application.
  • Long-term benefits require consistent use of AR6500.
  • Cost can add up with frequent refills.

Perfect For:

This Archoil Diesel Fuel System Kit is perfect for diesel vehicle owners who want to keep their engines running smoothly. It’s great for anyone with a diesel car, truck, or equipment looking to clean injectors, boost performance, and protect their fuel system.

Ready to Purchase?

6. Archoil AR6500 Diesel Treatment (40 oz) Two Pack – Treats 800 Gallons, Diesel Fuel Additive – Lubricity Improver, Injector Cleaner, DPF & Turbo Deposit Control, Cetane Booster

Archoil AR6500 Diesel Treatment (40 oz) Two Pack - Treats 800 Gallons, Diesel Fuel Additive - Lubricity Improver, Injector Cleaner, DPF & Turbo Deposit Control, Cetane Booster

Give your diesel engine the ultimate upgrade with Archoil AR6500 Diesel Treatment! This two-pack is your secret weapon for smoother running and peak performance.

It cleans injectors for better fuel spray. It boosts cetane for easier starting. It even protects your DPF and turbo!

Pros Cons
  • Easy to use with every fill-up.
  • Cleans your injectors for better performance.
  • Boosts your cetane for smoother driving.
  • Protects your fuel system components.
  • Keeps your DPF and turbo clean.
  • Pricey for regular use, may not fit all budgets.
  • No instant results, takes time to notice improvements.
  • Large bottles, might be bulky for small storage spaces.

Perfect For:

Archoil AR6500 Diesel Treatment is perfect for anyone with a diesel vehicle or equipment. Whether you drive a pickup, SUV, van, or RV, or use heavy-duty machinery, this product keeps your engine running smoothly.

Ready to Purchase?

7. Power Service Diesel Kleen + Cetane Boost 64oz Bottle (6 Pack) – Universal Fit, Boosts Cetane Up to 6 Numbers, Cleans Injectors, 10.17536 Liters

Power Service Diesel Kleen + Cetane Boost 64oz Bottle (6 Pack) - Universal Fit, Boosts Cetane Up to 6 Numbers, Cleans Injectors, 10.17536 Liters

Power Service Diesel Kleen + Cetane Boost keeps your diesel engine running smoothly and powerfully. It cleans injectors and prevents sticking in all systems. This 6-pack is a great value for regular use.

Works in all diesel fuels, including ULSD and biodiesel blends. Boosts cetane up to 6 numbers, improving cold starts and power lag.

Universal fit makes it easy to use with any diesel engine. Effective in both new and old systems. Keep your engine clean and efficient with this trusted product.

Pros Cons
  • Cleans injectors, prevents sticking, keeps engines running smoothly.
  • Boosts cetane up to 6 numbers for smoother power.
  • Works with all diesel fuels, including biodiesel blends.
  • Universal fit, easy to use in any diesel engine.
  • Pricey for regular use, may not fit all budgets.
  • Large 6-pack size takes up storage space.
  • No instant results, requires consistent use.

Perfect For:

This product is perfect for diesel drivers who want smoother, more powerful engines. It’s great for anyone using diesel fuel, including ULSD, biodiesel, or blends.

Ready to Purchase?

8. Stanadyne Diesel Performance Formula 38566, 64 Ounce

Stanadyne Diesel Performance Formula 38566, 64 Ounce

Stanadyne Diesel Performance Formula 38566 is a top-tier diesel fuel additive. It’s approved by major brands like GM, Ford, Deere, and Navistar.

This formula is proven to work best in tests. It’s all-season and fixes any diesel fuel issue.

Made by a fuel injection expert, it meets Cummins L10 standards. It’s reliable and easy to use.

Pros Cons
  • OEM approved for top brands.
  • Outperforms in independent tests.
  • Solves all diesel fuel problems.
  • Keeps engines clean with Cummins test.
  • Trusted by fuel experts.
  • Price may be higher than other diesel additives.
  • Large size might not suit small-scale users.
  • No mention of eco-friendly or biodegradable features.

Perfect For:

This diesel fuel additive is perfect for anyone who wants top performance and clean fuel. It’s great for drivers of trucks, tractors, or heavy equipment who need reliable fuel in any season.

Ready to Purchase?

9. Stanadyne Performance Formula Diesel Fuel Additive – 16 Oz. Case of 12

Stanadyne Performance Formula Diesel Fuel Additive - 16 Oz. Case of 12

Unleash your diesel engine’s true power with Stanadyne Performance Formula Diesel Fuel Additive! This powerful formula is designed to revitalize your engine and boost its performance.

Experience a surge in horsepower as our advanced detergents clean your injection system. You’ll also enjoy better fuel economy, with tests showing an average of 4% improvement in MPG and gains up to 9.6%. Plus, it smoothes out engine noise for a quieter ride.

This additive protects your engine by restoring lubricity to diesel fuel, which is crucial for reducing wear. It also works to cut down on harmful emissions, leading to less smoke and fewer particulates.

Pros Cons
  • Boosts engine power with clean injectors.
  • Saves fuel, cuts costs by up to 9.6%.
  • Quieter engine, better starts with improved combustion.
  • Protects fuel system, reduces wear.
  • Cuts emissions, cleaner exhaust.
  • Price may be higher than other fuel additives.
  • Not for gasoline engines, only works with diesel.
  • Requires consistent use for best results.

Perfect For:

This diesel fuel additive is perfect for anyone who wants to improve their vehicle’s performance. It’s great for drivers looking to save on fuel and keep their engine running smoothly.

Ready to Purchase?

10. Hot Shot’s Secret Everyday Diesel Treatment EDT 16 oz Squeeze 2-PK – Treats 800 Gallons – 6-in-1 Diesel Fuel Additive, Injector and Fuel System Cleaner, Boosts Cetane

Hot Shot’s Secret Everyday Diesel Treatment EDT 16 oz Squeeze 2-PK – Treats 800 Gallons – 6-in-1 Diesel Fuel Additive, Injector and Fuel System Cleaner, Boosts Cetane

Keep your diesel engine running smoothly and efficiently with Hot Shot’s Secret Everyday Diesel Treatment. This powerful additive is designed to improve performance and maintain engine health. Enjoy peace of mind on every drive.

Boost your fuel economy and save money with this 6-in-1 diesel fuel additive. It cleans injectors, safeguards fuel system components, and prevents rust and corrosion. Your engine will thank you for it!

Using this treatment is super simple. Just add it to your fuel tank at every fill-up. It’s the easy way to keep your diesel engine in tip-top shape.

Pros Cons
  • Boosts fuel economy and saves money on maintenance.
  • Cleans injectors and protects fuel systems for longer engine life.
  • Prevents rust and corrosion in your diesel fuel system.
  • Easy to use at every fill-up for peace of mind.
  • Small bottle, needs frequent refills.
  • Only 16 oz size, not for large tanks.

Perfect For:

Diesel truck owners and frequent drivers need this. It boosts cetane, cleans injectors, prevents rust, and saves fuel. Use it every fill-up for smoother, longer-lasting engines.

Ready to Purchase?

Buying Guide

Choosing the best diesel fuel additive can make a big difference. It keeps your engine clean, powerful, and reliable.

We’ve explored some of the top options to help you make an informed decision. Many users report smoother running engines, improved fuel economy, and reduced maintenance costs after using these additives. Imagine your diesel engine performing at its peak efficiency, giving you more power and better mileage on every trip!

Here are the factors to consider when buying diesel fuel additives:

  • Purpose of the Additive: Think about what you want to achieve. Do you need to clean injectors, boost cetane levels, or improve overall performance? Different additives are designed for specific benefits.

  • Engine Type and Age: Some additives are better suited for modern engines with complex systems, while others work well for older diesel engines. Check if the additive is compatible with your specific vehicle.

  • Fuel Type Compatibility: Ensure the additive works with the type of diesel fuel you use, including ULSD and biodiesel blends. This guarantees it will perform as expected.

  • Ease of Use: Look for additives that are simple to add to your fuel tank during fill-ups. Convenience is key for regular maintenance.

  • Brand Reputation and Reviews: Consider products from trusted brands with a history of quality. Reading user reviews can provide valuable insights into real-world performance.

  • Cetane Boost: If you’re looking for quicker starts and better acceleration, a higher cetane boost is beneficial. This can significantly improve your engine’s responsiveness.

  • Cleaning Power: Additives that clean fuel injectors and the entire fuel system help maintain optimal engine performance and prevent costly repairs.

  • Lubricity and Protection: Some additives provide lubricity to protect fuel pumps and injectors from wear. They can also help prevent rust and corrosion, extending the life of your engine components.

  • Quantity and Value: Consider the size of the container and how many gallons it treats. Buying in larger quantities or multi-packs can offer better value for regular use.