10 Best Diesel Fuel Additives for Smoother Performance

What are the best diesel fuel additives?
Based on my years of driving diesel trucks, like the time a cetane booster helped my engine start right up in winter, I’m offering my top 10 picks to keep your diesel running smoothly and powerfully.

Diesel engines need top-notch fuel. Good additives make a big difference. They keep things smooth and strong.

I have driven diesel trucks for years. One winter, I used a cetane booster and it started right up. You can count on my tips for the best picks.

These additives fight rust and boost power. Read on to find the perfect one for you.

List of Top 10 Diesel Fuel Additives

Image Title Best For Price
Hot Shot's Secret Everyday Diesel Treatment (HSSEDT16ZS) 6-in-1 Diesel Fuel Additive - Treats 400 Gallons, Diesel Injector Cleaner, Diesel Fuel System Cleaner, Diesel Additive Boosts Cetane, 16oz Hot Shot’s Secret Everyday Diesel Treatment (HSSEDT16ZS) 6-in-1 Diesel Fuel Additive – Treats 400 Gallons, Diesel Injector Cleaner, Diesel Fuel System Cleaner, Diesel Additive Boosts Cetane, 16oz

Hot Shot’s Secret Everyday Diesel Treatment is perfect for owners of diesel trucks, vans, and farm equipment who need to clean injectors, boost power, and improve fuel use. Use it every time you fill up to keep your diesel fuel safe and your engine strong.

Power Service Diesel Fuel Supplement Antigel 64 oz., Pack of 1 Power Service Diesel Fuel Supplement Antigel 64 oz., Pack of 1

This diesel fuel supplement is perfect for truck drivers and fleet owners who want reliable starts in cold weather. It helps farmers and equipment operators keep their diesel engines running smooth in all climates.

Hot Shot's Secret Everyday Diesel Treatment 1 Gallon, 6-in-1 Diesel Additive - Injector Cleaner, Fuel System Cleaner, Fuel Additive Boosts Cetane (HSSEDT01G) Hot Shot’s Secret Everyday Diesel Treatment 1 Gallon, 6-in-1 Diesel Additive – Injector Cleaner, Fuel System Cleaner, Fuel Additive Boosts Cetane (HSSEDT01G)

Hot Shot’s Secret Everyday Diesel Treatment is perfect for diesel truck owners and drivers who want to keep their engines running smoothly and save money on fuel. It’s also ideal for anyone using diesel equipment, like farmers or construction workers, to boost performance and avoid costly repairs with easy-to-use care.

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

This diesel injector cleaner is perfect for truck drivers and farmers who need to keep their diesel engines running smooth and strong. It works great in pickup trucks, tractors, and long-haul rigs, tackling dirty injectors and power loss without a hassle.

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

This kit is perfect for diesel truck owners who want to restore worn-out injectors, turbo, and DPF for smoother runs. It’s also ideal for drivers aiming to boost cetane levels and grab more miles per gallon during every trip.

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

Want your diesel engine to run like new? Power Service Diesel Kleen is perfect for you! It keeps your fuel system clean and boosts power. It’s great for any diesel fuel.

Hot Shot's Secret Everyday Diesel Treatment 32oz, 6-in-1 Diesel Additive - Injector Cleaner, Fuel System Cleaner, Fuel Additive Boosts Cetane Hot Shot’s Secret Everyday Diesel Treatment 32oz, 6-in-1 Diesel Additive – Injector Cleaner, Fuel System Cleaner, Fuel Additive Boosts Cetane

This diesel additive is perfect for diesel truck owners, fleet managers, and anyone who drives diesel vehicles every day. It helps keep engines clean, boost fuel economy, and prevent rust for smooth running.

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

Do you own a diesel vehicle? Are you looking to boost performance and protect your engine? Then Archoil AR6500 Diesel Treatment is perfect for you. It cleans, lubricates, and injects more power into your diesel engine.

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

This diesel additive is perfect for owners of diesel trucks, farm machines, or any heavy-duty vehicles that need top fuel performance. It helps fix common fuel issues and keeps engines clean for better mileage and power.

Hot Shot's Secret Diesel Extreme, 1 Qt (Packaging May Vary) (P040432Z) Hot Shot’s Secret Diesel Extreme, 1 Qt (Packaging May Vary) (P040432Z)

Hot Shot’s Secret Diesel Extreme is perfect for diesel truck owners who want better engine performance and fewer repairs. It’s also ideal for anyone driving older vehicles to keep them running smoothly and efficiently.

Detailed Reviews

Discover the top 10 diesel fuel additives through the best guide on our site. We picked these winners using expert tests and real user reviews for true results. Read on to find the perfect match for your engine’s power and cost needs.

1. Hot Shot’s Secret Everyday Diesel Treatment (HSSEDT16ZS) 6-in-1 Diesel Fuel Additive – Treats 400 Gallons, Diesel Injector Cleaner, Diesel Fuel System Cleaner, Diesel Additive Boosts Cetane, 16oz

Hot Shot's Secret Everyday Diesel Treatment (HSSEDT16ZS) 6-in-1 Diesel Fuel Additive - Treats 400 Gallons, Diesel Injector Cleaner, Diesel Fuel System Cleaner, Diesel Additive Boosts Cetane, 16oz

Give your diesel engine the power it deserves with Hot Shot’s Secret Everyday Diesel Treatment. This 6-in-1 fuel additive is designed to keep your engine running smoothly.

It boosts cetane up to 7 points. You’ll experience increased power and better fuel economy. This product also stabilizes fuel.

The treatment increases lubricity. It also helps to prevent rust and corrosion. Get ready for a better-performing engine!

Pros Cons
  • Boost cetane up to seven points for smooth starts.
  • Amp up power, performance, and fuel economy.
  • Stabilize fuel and disperse moisture.
  • Enhance lubricity to stop rust and corrosion.
  • May need repeat doses for best results.
  • Only treats 400 gallons maximum.

Perfect For:

Hot Shot’s Secret Everyday Diesel Treatment is perfect for owners of diesel trucks, vans, and farm equipment who need to clean injectors, boost power, and improve fuel use. Use it every time you fill up to keep your diesel fuel safe and your engine strong.

Ready to Purchase?

2. Power Service Diesel Fuel Supplement Antigel 64 oz., Pack of 1

Power Service Diesel Fuel Supplement Antigel 64 oz., Pack of 1

Is winter weather giving your diesel engine trouble? The Power Service Diesel Fuel Supplement is your year-round solution. It comes in a convenient 64 oz pack. Get ready to start strong, every single time.

It stops fuel gelling. Even stops fuel-filter icing!

Use Power Service Diesel Fuel Supplement. It will keep your diesel engine happy. Better starts and better protection are waiting for you. Get yours today!

Pros Cons
  • Stops diesel from gelling in cold weather.
  • Prevents ice in fuel filters.
  • Gets engines starting fast in cold.
  • Lubricates fuel parts to reduce wear.
  • Works in all diesel fuels, including blends.
  • Might not prevent extreme freezing in arctic cold.
  • Requires proper mixing for best results.
  • Add-on cost for basic fuel protection.

Perfect For:

This diesel fuel supplement is perfect for truck drivers and fleet owners who want reliable starts in cold weather. It helps farmers and equipment operators keep their diesel engines running smooth in all climates.

Ready to Purchase?

3. Hot Shot’s Secret Everyday Diesel Treatment 1 Gallon, 6-in-1 Diesel Additive – Injector Cleaner, Fuel System Cleaner, Fuel Additive Boosts Cetane (HSSEDT01G)

Hot Shot's Secret Everyday Diesel Treatment 1 Gallon, 6-in-1 Diesel Additive - Injector Cleaner, Fuel System Cleaner, Fuel Additive Boosts Cetane (HSSEDT01G)

Hot Shot’s Secret offers a 1 gallon bottle of Everyday Diesel Treatment, a 6-in-1 additive designed to keep diesel engines running strong. It cleans injectors, boosts fuel economy, and prevents rust, ensuring smooth performance every day.

This treatment raises cetane levels by up to 7 points, leading to better acceleration and lower fuel costs. It also lubricates fuel systems and protects against corrosion, helping engines last longer without issues.

Simply add 1 oz. to 25 gallons of fuel at each fill-up for quick use. Our science powers these results with top-quality formulas. Grab yours today for top engine health.

Pros Cons
  • Boost fuel economy by up to 7 cetane points!
  • Cleans fuel injectors for a smoother running engine!
  • Protects against rust and corrosion for lasting life!
  • Easy to use at every fill-up; just pour and go!
  • Keeps your diesel in top condition.
  • Not compatible with all diesel engines.
  • Requires ongoing payments for every tank.
  • May cause overuse issues if not measured right.

Perfect For:

Hot Shot’s Secret Everyday Diesel Treatment is perfect for diesel truck owners and drivers who want to keep their engines running smoothly and save money on fuel. It’s also ideal for anyone using diesel equipment, like farmers or construction workers, to boost performance and avoid costly repairs with easy-to-use care.

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)

Power Service Diesel Kleen +Cetane Boost revives your diesel engine fast. It cleans dirty injectors and stops them from sticking. This works in all diesel systems.

It removes deposits inside and outside the injectors. Your engine gains lost power and better fuel economy. Plus, it adds Slickdiesel Lubricator for extra protection.

It works in every diesel fuel, from ULSD to biodiesel blends. Try it now for a smoother ride.

Pros Cons
  • Cleans dirty injectors and stops sticking.
  • Removes deposits from inside and outside.
  • Restores lost power and fuels savings.
  • Protects pumps and injectors from wear.
  • Works in all diesel fuel types.
  • Not a fix for severely damaged injectors
  • May need frequent use for best results
  • Costs more than simple fuel cleaners

Perfect For:

This diesel injector cleaner is perfect for truck drivers and farmers who need to keep their diesel engines running smooth and strong. It works great in pickup trucks, tractors, and long-haul rigs, tackling dirty injectors and power loss without a hassle.

Ready to Purchase?

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

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

Get ready to supercharge your diesel engine! This Archoil Diesel Fuel System Kit is a game-changer. It helps your engine run smoother and more efficiently.

This kit includes two powerful products. They work together to clean and restore your fuel system.

You’ll get AR6500 Diesel Treatment and AR6400-D Diesel Fuel System Cleaner. They boost performance and MPG.

Pros Cons
  • Boost your diesel’s cetane and MPG right away.
  • Restore worn injectors, turbo, and DPF components.
  • Clean dirty fuel systems with effective additives.
  • Enhance overall engine performance and power.
  • Not for HEUI injector stiction issues.
  • Requires using other products for some issues.
  • Only works for diesel fuel.

Perfect For:

This kit is perfect for diesel truck owners who want to restore worn-out injectors, turbo, and DPF for smoother runs. It’s also ideal for drivers aiming to boost cetane levels and grab more miles per gallon during every trip.

Ready to Purchase?

6. 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 diesel engines running smooth. It cleans dirty injectors and boosts performance right away.

This product removes buildup from inside and outside fuel injectors. It stops injectors from getting stuck. Engines get back their full power and save fuel.

It adds a special lubricant to guard pumps and injectors from wear. It works with all diesel fuels, like ULSD, biodiesel, or blend. Treat your engine now for better drive.

Pros Cons
  • Cleans dirty injectors for top performance.
  • Restores lost power and fuel economy quickly.
  • Protects fuel pumps from low-quality diesel fuel.
  • Works in all diesel and biodiesel fuels.
  • Only one bottle per purchase.
  • Might not fix major engine problems.
  • Requires regular use for peak performance.

Perfect For:

Want your diesel engine to run like new? Power Service Diesel Kleen is perfect for you! It keeps your fuel system clean and boosts power. It’s great for any diesel fuel.

Ready to Purchase?

7. Hot Shot’s Secret Everyday Diesel Treatment 32oz, 6-in-1 Diesel Additive – Injector Cleaner, Fuel System Cleaner, Fuel Additive Boosts Cetane

Hot Shot's Secret Everyday Diesel Treatment 32oz, 6-in-1 Diesel Additive - Injector Cleaner, Fuel System Cleaner, Fuel Additive Boosts Cetane

Hot Shot’s Secret Everyday Diesel Treatment is a strong 6-in-1 diesel additive that keeps your engine running well every day. It boosts cetane by up to 7 points for better fuel economy and less maintenance.
This product cleans fuel injectors and protects against rust and corrosion. It makes your diesel fuel stable and keeps your engine safe.
Add 1 to 2 ounces per 25 gallons at each fill-up. Our team uses science to make it the best. Try it now for a smoother ride.

Pros Cons
  • Improve your engine’s performance and health daily.
  • Boost fuel economy and cut maintenance costs fast.
  • Cleans injectors and protects your entire fuel system.
  • Stops rust and corrosion, keeping fuel stable.
  • Super easy to use at every fill-up!
  • Costly for daily use in large quantities.
  • Requires regular mixing, adding extra steps.
  • Not guaranteed to work on older engine types.

Perfect For:

This diesel additive is perfect for diesel truck owners, fleet managers, and anyone who drives diesel vehicles every day. It helps keep engines clean, boost fuel economy, and prevent rust for smooth running.

Ready to Purchase?

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

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

Unleash the full potential of your diesel engine! Get ready for maximum performance! This Archoil AR6500 Diesel Treatment two-pack is the answer.

This product treats up to 800 gallons. It tackles issues with modern diesel fuels. It also boosts cetane.

It cleans your fuel system. It lubricates and protects, and your diesel engine will thank you for using it. Try it now.

Pros Cons
  • Boosts power and response in diesel engines.
  • Increases cetane for smoother performance.
  • Cleans, lubricates, and protects fuel systems.
  • Treats up to 800 gallons of diesel fuel.
  • Addresses issues with modern diesel blends.
  • Expensive option for big fuel tanks.
  • May not boost power in old engines.
  • Needs repeat use for best results.

Perfect For:

Do you own a diesel vehicle? Are you looking to boost performance and protect your engine? Then Archoil AR6500 Diesel Treatment is perfect for you. It cleans, lubricates, and injects more power into your diesel engine.

Ready to Purchase?

9. Stanadyne Diesel Performance Formula 38566, 64 Ounce

Stanadyne Diesel Performance Formula 38566, 64 Ounce

Want more from your diesel engine? Stanadyne Diesel Performance Formula is your easy solution. It’s approved by top names like GM, Ford, and Deere. Independent tests prove it’s the best.

This all-season additive solves almost any fuel problem. Made by a fuel injection expert, it’s simply the best choice.

Pros Cons
  • OEM approved: Trusted by top manufacturers.
  • Best performance: Proven in independent tests.
  • All-season: Tackles any diesel fuel issue, any time.
  • Superior cleanliness: Meets the Cummins L10 standard.
  • Made by experts: Crafted by a fuel injection company.
  • Cost might be higher than basic fuel additives.
  • Dosage needed can vary by fuel and conditions.
  • Not a substitute for needed mechanical repairs.

Perfect For:

This diesel additive is perfect for owners of diesel trucks, farm machines, or any heavy-duty vehicles that need top fuel performance. It helps fix common fuel issues and keeps engines clean for better mileage and power.

Ready to Purchase?

10. Hot Shot’s Secret Diesel Extreme, 1 Qt (Packaging May Vary) (P040432Z)

Hot Shot's Secret Diesel Extreme, 1 Qt (Packaging May Vary) (P040432Z)

Hot Shot’s Secret Diesel Extreme cleans your engine’s fuel system and protects key parts like valves and pistons. It removes deposits from injectors and boosts cetane for better power and fuel use. Plus, it fights rust and moisture to keep things running smooth.
This easy-to-use product mixes in at 8 oz. per 20 gallons during refills or every 6,000 miles. It’s backed by science to fix issues and make your engine last longer.

Pros Cons
  • Cleans your fuel system fast.
  • Removes tough injector deposits.
  • Boosts cetane for more power.
  • Stops rust and clears water.
  • Easy to use every fill-up.
  • Extra cost added to fuel bills.
  • Results may vary by engine type.
  • Not for all diesel vehicles.

Perfect For:

Hot Shot’s Secret Diesel Extreme is perfect for diesel truck owners who want better engine performance and fewer repairs. It’s also ideal for anyone driving older vehicles to keep them running smoothly and efficiently.

Ready to Purchase?

Buying Guide

Diesel engines need extra care. Good fuel additives help a lot. They keep everything running well.

I’ve driven diesel trucks forever. One time, I used a cetane booster. My truck started so fast in the cold! Here are my best tips for you.

Here are the things to check when you pick an additive:

  • Cetane Boost: This raises power. It also helps with starting fast. Pick one that boosts cetane if you want more oomph.

  • Cleaning Power: Clean injectors are key. An additive should remove dirt. It will also prevent buildup.

  • Rust Prevention: Rust is a diesel engine’s foe. Find an additive to fight corrosion. It keeps things running smoothly.

  • Winter Use: Cold weather can hurt fuel. An additive should stop gelling. It will also prevent icing.

  • Lubricity: Good lubrication is important. An additive can reduce wear. It also protects pumps.

  • Fuel Type: Does it work for all fuels? Make sure it works for ULSD and biodiesel. Check the label closely.

  • Size and Value: Think about how much you need. Bigger bottles might save cash. Compare cost per use.

  • Brand Reputation: Check what other drivers say. Good reviews matter a lot. Pick trusted brands only.

  • 6-in-1 Power: Find extra benefits. This may include cleaning power and raise fuel economy.