10 Best Diesel Treatments to Boost Mileage & Power

Are you curious about the top diesel treatments available? This guide offers insights to enhance your engine’s performance, fuel economy, and overall efficiency, based on real user experiences.

Diesel engines are known for their power and efficiency. However, they need proper care to keep running smoothly.

Many users have shared how diesel treatments improved their engine’s performance. They noticed better fuel economy and fewer issues. This guide will help you find the best diesel treatments.

These treatments clean and protect your engine. They also boost cetane and improve fuel efficiency. Get ready to learn how to keep your diesel running at its best.

List of Top 10 Diesel Treatments

Image Title Best For Price
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 diesel fuel kit is perfect for truck owners who want to clean and boost their engine’s performance. It helps with suv drivers looking to save fuel and keep their vehicles running smooth.

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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

This is perfect for diesel drivers who want cleaner injectors and a reliable fuel system. It boosts cetane up to 7 points, adds power and better fuel economy, and stabilizes fuel to fight moisture and prevent rust.

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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

This Archoil AR6500 Diesel Treatment is perfect for anyone who owns a diesel vehicle. It is designed to clean, protect, and boost your engine’s performance.

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Archoil AR6500 Diesel Treatment (40 Ounces) - Treats 400 Gallons - Additive for All Diesel Vehicles Archoil AR6500 Diesel Treatment (40 Ounces) – Treats 400 Gallons – Additive for All Diesel Vehicles

This product is perfect for diesel drivers and fleet owners who want more power and better fuel economy. Use it at every fill-up to clean, lubricate, and protect the fuel system for all diesel engines.

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Archoil Ultimate Diesel Kit - AR9100 Friction Modifier (16oz) + AR6500 Diesel Treatment (40oz) + AR6400-D Diesel Fuel System Cleaner (12oz) Archoil Ultimate Diesel Kit – AR9100 Friction Modifier (16oz) + AR6500 Diesel Treatment (40oz) + AR6400-D Diesel Fuel System Cleaner (12oz)

Is your diesel engine feeling sluggish? This Archoil Ultimate Diesel Kit is exactly what you need! It’s perfect for diesel owners who want to restore performance, clean their fuel system and boost cetane.

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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)

This product is ideal for truck drivers and fleet owners who rely on diesel engines. It helps them boost fuel efficiency and keep systems clean without much effort.

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Archoil AR6500 Diesel Treatment (10.1 oz) - Four Pack - Treats 400 Gallons - Additive for All Diesel Vehicles… Archoil AR6500 Diesel Treatment (10.1 oz) – Four Pack – Treats 400 Gallons – Additive for All Diesel Vehicles…

This product is perfect for diesel vehicle owners who want more power and response from their engines. It’s great for anyone driving modern diesels looking to clean, lubricate, and protect their fuel system easily.

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Archoil AR6300 Winter Diesel Treatment - Treats 275 Gallons - Additive for All Diesel Vehicles Includes Anti-Gel Protection Archoil AR6300 Winter Diesel Treatment – Treats 275 Gallons – Additive for All Diesel Vehicles Includes Anti-Gel Protection

Archoil AR6300 is perfect for truck drivers and farmers running diesel vehicles in cold weather. It stops fuel from gelling so engines keep running strong.

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Rislone 4780 Diesel DEF Treatment | Prevents AdBlue/DEF Fluid Crystallization, 8 oz Rislone 4780 Diesel DEF Treatment | Prevents AdBlue/DEF Fluid Crystallization, 8 oz

This product is perfect for diesel vehicle owners who drive at slow speeds, have low loads, or make frequent stops. It helps stop crystallization in the DEF system to keep your truck running smooth.

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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 product is perfect for anyone with a diesel engine. It helps your engine run better and last longer.

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Detailed Reviews

My guide picks the top 10 Diesel Treatments based on smart expert checks and real user views. Each one gets a full look at its perks, how well it works, and if it’s worth the cost. This helps you grab the best fuel helpers for your truck without hassle. Dive in to see why these picks shine and boost your ride like new.

1. 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 includes AR6500 Diesel Treatment (40 oz). It also includes AR6400-D Diesel Fuel System Cleaner. It helps the injectors, the turbo, and the DPF.

It boosts cetane and improves performance and MPG. AR6400-D is not for HEUI injector stiction; use AR9100 Friction Modifier instead.

Pros Cons
  • Boost your cetane and fuel mileage dramatically.
  • Revive worn-out injectors, turbo, and DPF easily.
  • Clean your diesel fuel system from top to bottom.
  • Improve engine power and efficiency right away.
  • Save money with this two-in-one treatment combo.
  • Not for HEUI stiction; use AR9100.
  • MPG gains vary by engine.
  • Requires careful dosing.

Perfect For:

This diesel fuel kit is perfect for truck owners who want to clean and boost their engine’s performance. It helps with suv drivers looking to save fuel and keep their vehicles running smooth.

Ready to Purchase?

2. 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 a powerful 6-in-1 diesel fuel additive that easily treats up to 400 gallons. It cleans diesel injectors and boosts fuel system performance in just one easy step.

This additive raises cetane by up to 7 points. It increases power and fuel economy. It fights rust and keeps fuel stable.

Pros Cons
  • Boosts cetane up to 7 points for better power.
  • Increases fuel economy and smooth performance.
  • Stabilizes fuel and clears out moisture.
  • Boosts lubricity to stop rust and corrosion.
  • One bottle treats up to 400 gallons easily.
  • Pricey for large tanks.
  • Strong odor may linger.
  • Works slow on old engines.

Perfect For:

This is perfect for diesel drivers who want cleaner injectors and a reliable fuel system. It boosts cetane up to 7 points, adds power and better fuel economy, and stabilizes fuel to fight moisture and prevent rust.

Ready to Purchase?

3. 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

Add Archoil AR6500 Diesel Treatment to your fuel. It comes as a two-pack. It treats up to 800 gallons.

It uses combustion modifier technology. It adds a strong cetane boost.

It cleans the fuel system, including HPCR parts. It lubricates and protects the fuel path. Your engine runs smoother and stronger.

Pros Cons
  • Boosts cetane for faster starts and stronger torque.
  • Cleans and protects HPCR fuel systems.
  • Adds power and quick response to engines.
  • Lubricates and shields critical fuel components.
  • Higher cost than similar options
  • Dosing requires care for accurate use
  • Diesel only; not for gasoline vehicles

Perfect For:

This Archoil AR6500 Diesel Treatment is perfect for anyone who owns a diesel vehicle. It is designed to clean, protect, and boost your engine’s performance.

Ready to Purchase?

4. Archoil AR6500 Diesel Treatment (40 Ounces) – Treats 400 Gallons – Additive for All Diesel Vehicles

Archoil AR6500 Diesel Treatment (40 Ounces) - Treats 400 Gallons - Additive for All Diesel Vehicles

The Archoil AR6500 Diesel Treatment comes in a 40 oz bottle. It treats up to 400 gallons. Use it at every fill-up.

It helps modern diesel fuels run cleaner and improve MPG. It cleans the turbo and DPF to help the engine last longer.

It includes Archoil’s proven combustion modifier technology and a strong cetane boost. This can help increase power and response. It cleans, lubricates and protects your fuel system, including HPCR systems.

Pros Cons
  • Cleans fuel system for smooth flow.
  • Boosts MPG and engine response.
  • Treats 400 gallons per bottle.
  • Reduces regen events for easier runs.
  • Protects turbo and DPF from wear.
  • High cost per treatment gallon.
  • Requires frequent use at every fill-up.
  • May need careful mixing to avoid issues.

Perfect For:

This product is perfect for diesel drivers and fleet owners who want more power and better fuel economy. Use it at every fill-up to clean, lubricate, and protect the fuel system for all diesel engines.

Ready to Purchase?

5. Archoil Ultimate Diesel Kit – AR9100 Friction Modifier (16oz) + AR6500 Diesel Treatment (40oz) + AR6400-D Diesel Fuel System Cleaner (12oz)

Archoil Ultimate Diesel Kit - AR9100 Friction Modifier (16oz) + AR6500 Diesel Treatment (40oz) + AR6400-D Diesel Fuel System Cleaner (12oz)

Archoil Ultimate Diesel Kit packs three top products for your diesel engine. It includes AR9100 Friction Modifier in 16oz. This kit restores power and boosts fuel use.

AR6500 Diesel Treatment comes in 40oz and treats 400 gallons. Use it at every fill-up for clean fuel.

AR6400-D Diesel Fuel System Cleaner is 12oz and cleans fast. It gives a cetane boost for better runs.

Pros Cons
  • Ultimate kit has three Archoil best-sellers.
  • AR9100 cuts friction and boosts diesel engines.
  • AR6500 treats fuel—use at every fill-up.
  • AR6400-D rapidly cleans any diesel fuel system.
  • Restore engine power and get a cetane boost!
  • Higher cost for small engines
  • Needs regular use for best results
  • May not fit all diesel types

Perfect For:

Is your diesel engine feeling sluggish? This Archoil Ultimate Diesel Kit is exactly what you need! It’s perfect for diesel owners who want to restore performance, clean their fuel system and boost cetane.

Ready to Purchase?

6. 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 keeps your diesel engine in top shape with daily use. It boosts cetane by up to 7 points for better fuel economy. The additive cleans injectors and the fuel system to keep your vehicle running smooth.

Pour 1 oz. or 2 oz. into 25 gallons of diesel at each fill-up. This powerful formula protects against rust and corrosion for longer engine life.

Pros Cons
  • Improves engine performance and health.
  • Boosts fuel economy with up to 7 points cetane increase.
  • Cleans injectors and protects the fuel system.
  • Prevents rust and corrosion in your fuel system.
  • Easy to use – just add at fill-up!
  • Not for gasoline engines, only diesel.
  • Large gallon size may be too much for small tanks.
  • Needs regular use to keep engine clean.

Perfect For:

This product is ideal for truck drivers and fleet owners who rely on diesel engines. It helps them boost fuel efficiency and keep systems clean without much effort.

Ready to Purchase?

7. Archoil AR6500 Diesel Treatment (10.1 oz) – Four Pack – Treats 400 Gallons – Additive for All Diesel Vehicles…

Archoil AR6500 Diesel Treatment (10.1 oz) - Four Pack - Treats 400 Gallons - Additive for All Diesel Vehicles…

Give your diesel engine the care it deserves! The Archoil AR6500 Diesel Treatment is a powerful solution. It comes in a convenient four-pack, ensuring you have enough to treat 400 gallons of fuel.

This additive is designed for all diesel vehicles. It works to clean, lubricate, and protect your fuel system. You’ll notice a boost in power and response.

It is easy to use. Just add it to your fuel tank. Your engine will thank you.

Pros Cons
  • Tackles modern diesel fuel issues effectively.
  • Boosts power and response with cetane boost.
  • Cleans, lubricates and protects high-pressure fuel systems.
  • Four-pack treats up to 400 gallons.
  • Price may be high for some buyers
  • Results vary by engine and fuel
  • Regular use needed for full protection

Perfect For:

This product is perfect for diesel vehicle owners who want more power and response from their engines. It’s great for anyone driving modern diesels looking to clean, lubricate, and protect their fuel system easily.

Ready to Purchase?

8. Archoil AR6300 Winter Diesel Treatment – Treats 275 Gallons – Additive for All Diesel Vehicles Includes Anti-Gel Protection

Archoil AR6300 Winter Diesel Treatment - Treats 275 Gallons - Additive for All Diesel Vehicles Includes Anti-Gel Protection

Archoil AR6300 Winter Diesel Treatment keeps your diesel fuel flowing in cold weather. Anti-gel protection stops gelling and plugged filters. It works for all diesel vehicles and treats up to 275 gallons.

It boosts performance with better combustion. Higher cetane means smoother runs and less wear.

Protect your fuel pump and injectors from harm. It clears sludge and deposits easily. Use it at every fill-up for top results.

Pros Cons
  • Stop gelling and keep winter power strong.
  • Get better performance and more power now!
  • Protect your fuel system from costly damage.
  • Clean your system and make it run like new!
  • It works, treats 275 gallons of fuel safely.
  • High price for big batches.
  • Needs every fill-up use.
  • Too much for small tanks.

Perfect For:

Archoil AR6300 is perfect for truck drivers and farmers running diesel vehicles in cold weather. It stops fuel from gelling so engines keep running strong.

Ready to Purchase?

9. Rislone 4780 Diesel DEF Treatment | Prevents AdBlue/DEF Fluid Crystallization, 8 oz

Rislone 4780 Diesel DEF Treatment | Prevents AdBlue/DEF Fluid Crystallization, 8 oz

Rislone Diesel DEF Treatment is a simple solution that stops AdBlue fluid from forming crystals in your diesel truck. You use it each time you fill the DEF tank to keep things running smooth. It helps fix diesel exhaust fluid issues and saves money on repairs to the SCR system.

This product works with all urea-based DEF fluids and does not harm your vehicle warranty. It is ideal for trucks that drive slow, stop often, or carry light loads, as they build up crystallization deposits fast.

Pros Cons
  • Protects DEF system from crystallization.
  • Improves DEF performance.
  • Works with all UREA DEF fluids.
  • Ideal for slow speeds and short trips.
  • Reduces costly SCR/DEF repairs.
  • Requires regular use every refill for protection.
  • Small 8 oz size may run out quickly.
  • Prevents only, doesn’t fix existing crystallization.

Perfect For:

This product is perfect for diesel vehicle owners who drive at slow speeds, have low loads, or make frequent stops. It helps stop crystallization in the DEF system to keep your truck running smooth.

Ready to Purchase?

10. 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

Keep your diesel engine running smoothly with Hot Shot’s Secret Everyday Diesel Treatment. It improves performance and maintains engine health. Regular use gives you peace of mind.

This diesel additive boosts cetane levels. It leads to better fuel economy and cuts costs.

It’s easy to use at every fill-up. Just pour it into your diesel fuel tank. You’ll experience the difference.

Pros Cons
  • Boost your fuel economy and save money today!
  • Keep your engine clean and running strong!
  • Say goodbye to rust and corrosion damage!
  • Easy to use additive for every fill-up.
  • Maximum efficiency for your diesel engine now!
  • Results vary by engine; not a miracle cure.
  • Regular use needed for best results.
  • Overuse may cause temporary smoky exhaust.

Perfect For:

This product is perfect for anyone with a diesel engine. It helps your engine run better and last longer.

Ready to Purchase?

Buying Guide

Diesel engines give strong power and good fuel use. They need regular care to run smooth. Adding diesel treatments boosts engine life and saves money.

Many users say their trucks ran smoother after using treatments. One driver reported 10% better MPG and less smoke. Another fixed rough idling with a simple add-in product.

  • Cetane Boost: This raises how fuel burns in your engine. It gives more power and quick starts. High cetane means less work for your truck.
  • Fuel Economy: Look for additives that cut fuel use. They keep injectors clean to burn fuel better. Check product claims for MPG gains to see savings.
  • Injector Cleaning: Products clean sticky or dirty injectors. This improves spray and reduces smoke. It prevents costly repairs later.
  • Turbo and DPF Protection: Treatments keep these parts clear of soot. They lower heat and extend life. Good for city drives with much stop-go.
  • Treatment Amount: Choose based on how much fuel you need to treat. Small bottles add quick fixes a few times. Big ones treat hundreds of gallons for long use.
  • Compatibility: Ensure the product fits your engine type. Some work with all diesels, others need specific fuels. Avoid adds that harm warranties.
  • Winter Protection: In cold areas, pick adds with anti-gel. They stop fuel from freezing thick. This keeps your engine starting easy in snow.
  • DEF System Care: For trucks with DEF fluid, use treatments against crystals. They keep the tank and system clean. It fixes issues from slow or short trips.
  • Brand and Users: Go for known brands with good reviews. Read about real fixes like less noise or more pull. Try small sizes first to test fit.
  • Ease of Use: Select easy-to-add items like pour-in types. No tools or hard steps needed. Quick adds at fill-up save time.
  • Overall Cost: Compare price per gallon treated. Cheap options may need more buys over time. Higher cost for multi-purpose can pay off in full engine health.