What are the best diesel engine additives?
Real users share exciting experiences of improved fuel economy, quieter engines, and better overall performance with these additives.
Diesel engines are known for their power and durability. However, they can sometimes face issues like reduced performance and fuel inefficiency. This guide will help you find the best diesel engine additives to keep your engine running smoothly.
Many users have shared their positive experiences with these additives. They’ve reported improved fuel economy, quieter engines, and better overall performance. We will show you how to find the perfect solution for your needs.
These additives can boost your engine’s life. They also help to save on fuel costs. Let’s explore the best options together.
List of Top 10 Diesel Engine Additives
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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 |
Want to keep your diesel engine running like a champ? Hot Shot’s Secret Everyday Diesel Treatment is your new best friend. It’s perfect for anyone who wants more power, better fuel economy, and a healthier engine. |
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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 to clean their fuel system, boost power, and make their engine last longer. It’s great for anyone driving a diesel vehicle seeking smoother rides and less hassle. |
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Prolube Oil Treatment – Engine Oil Additive for Gas & Diesel Engines – Reduces Wear, Noise, Vibration – Boosts Fuel Economy & Horsepower – Works on Transmissions & Differentials (1QT) |
This oil additive is perfect for vehicle owners and drivers who use cars, trucks, or industrial machines with gas or diesel engines, especially those facing high mileage, heavy use, or the need for better fuel savings, engine protection, and smoother running. |
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Hot Shot’s Secret EDT+ Winter Defense, 7-in-1 Anti-Gel Diesel Fuel Additive, Prevents Gelling, Protects Diesel Fuel System, Diesel Additive Improves Cold Start, Boosts Cetane, 16oz, Packaging May Vary |
This product is perfect for diesel truck owners, farmers, and construction workers who drive in cold weather. |
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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) |
This product is perfect for diesel truck owners who drive long miles and want better fuel use. It’s also great for farmers who rely on diesel machines to run smooth and last longer. |
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Archoil AR6500 Diesel Treatment (40 Ounces) – Treats 400 Gallons – Additive for All Diesel Vehicles |
This diesel treatment is perfect for owners of diesel trucks, vans, or farm machines that need better fuel use and stronger power. It helps drivers who want to fix engine problems and save money on gas. |
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LIQUI MOLY Super Diesel Additive | 300 ml | Diesel additive | SKU: 2002 |
This diesel additive is perfect for truck drivers who want to boost their engine’s power and keep the fuel system clean. It’s also ideal for farmers with diesel tractors needing easy maintenance. |
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Prolube Oil Treatment – Engine Oil Additive for Gas & Diesel Engines – Reduces Wear, Noise, Vibration – Boosts Fuel Economy & Horsepower – Works on Transmissions & Differentials (16oz) |
Prolube Oil Treatment is perfect for drivers who want a smarter way to protect their cars, trucks, or industrial machines. It suits anyone with gas or diesel engines, transmissions, or differentials looking to cut wear, noise, and fuel costs while boosting power and life. |
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Hot Shot’s Secret HSS64Z Original Stiction Eliminator 64 Fluid Ounce Bottle, Green |
This product is perfect for diesel truck drivers who need to fix failing HEUI injectors and bring back their engine’s full power without high repair costs. It’s also great for gasoline engine owners who want to reduce wear and keep their ride running smooth. |
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Hot Shot’s Secret SSFP Signature Series Fuel Pack 32 Ounce 2 Pack |
This fuel pack is perfect for diesel truck owners who want to boost engine power, improve fuel economy, and cut down on smoke from their rigs. It’s also ideal for farmers or anyone driving diesel vehicles every day to keep engines running smooth and reduce costly repairs. |
Detailed Reviews
Our top picks for diesel engine additives come from thoughtful reviews by experts and users alike, ensuring reliable choices that enhance engine life and power. Each product gets a full breakdown on its unique strengths, real-world performance boosts, and smart value for everyday use or tough jobs. Dive in to discover the perfect match that fits your budget and goals, empowering smoother drives ahead.
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 is a 6-in-1 diesel fuel additive. It cleans injectors, boosts cetane by up to 7 points, and treats up to 400 gallons with just 16oz.
This additive stabilizes fuel and spreads out moisture. It increases lubricity to stop rust and harm. It boosts power, performance, and fuel economy too.
Get better diesel engine results today. Grab this treatment to keep your fuel system clean and strong.
| Pros | Cons |
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Perfect For:
Want to keep your diesel engine running like a champ? Hot Shot’s Secret Everyday Diesel Treatment is your new best friend. It’s perfect for anyone who wants more power, better fuel economy, and a healthier engine.
Ready to Purchase?
2. Hot Shot’s Secret Diesel Extreme, 1 Qt (Packaging May Vary) (P040432Z)
Hot Shot’s Secret Diesel Extreme is a powerful product. It is designed to keep your engine running smoothly.
This product cleans your fuel system. It also boosts cetane for better performance. You can use it easily by adding it to your fuel tank.
It fixes many engine issues. This will help your engine last longer. It is powered by science for the best results.
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Perfect For:
Hot Shot’s Secret Diesel Extreme is perfect for diesel truck owners who want to clean their fuel system, boost power, and make their engine last longer. It’s great for anyone driving a diesel vehicle seeking smoother rides and less hassle.
Ready to Purchase?
3. Prolube Oil Treatment – Engine Oil Additive for Gas & Diesel Engines – Reduces Wear, Noise, Vibration – Boosts Fuel Economy & Horsepower – Works on Transmissions & Differentials (1QT)
Give your engine a boost with Prolube Oil Treatment. It helps your engine run better and quieter. This product is easy to use.
Prolube reduces wear and extends engine life. It also helps to save on fuel.
This oil treatment works on gas and diesel engines. It is also good for transmissions and differentials.
| Pros | Cons |
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Perfect For:
This oil additive is perfect for vehicle owners and drivers who use cars, trucks, or industrial machines with gas or diesel engines, especially those facing high mileage, heavy use, or the need for better fuel savings, engine protection, and smoother running.
Ready to Purchase?
4. Hot Shot’s Secret EDT+ Winter Defense, 7-in-1 Anti-Gel Diesel Fuel Additive, Prevents Gelling, Protects Diesel Fuel System, Diesel Additive Improves Cold Start, Boosts Cetane, 16oz, Packaging May Vary
Hot Shot’s Secret EDT+ Winter Defense is a 7-in-1 anti-gel diesel fuel additive. It stops diesel fuel from gelling in cold weather so your engine starts easy.
This mix boosts fuel power with better lubricity and higher cetane. It cleans injectors to keep the engine running smooth. Plus, it removes water and stops rust.
Add it to your fuel tank when you fill up. Use just 2 ounces for 25 gallons in mild cold. Try twice that for very cold spots to protect your truck.
| Pros | Cons |
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Perfect For:
This product is perfect for diesel truck owners, farmers, and construction workers who drive in cold weather.
It helps keep engines running smooth, prevents fuel gelling, and protects against freezing issues, so you can count on reliable starts even in harsh winters.
Ready to Purchase?
5. 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 makes diesel engines run better every day. It cleans fuel injectors and boosts cetane levels. Use it at each fill-up to keep engines strong.
Fuel economy improves with less rust and corrosion. This treatment keeps fuel fresh and safe.
Pour 1 ounce into 25 gallons of diesel fuel. Our science-powered formula lasts longer and saves money.
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Perfect For:
This product is perfect for diesel truck owners who drive long miles and want better fuel use. It’s also great for farmers who rely on diesel machines to run smooth and last longer.
Ready to Purchase?
6. Archoil AR6500 Diesel Treatment (40 Ounces) – Treats 400 Gallons – Additive for All Diesel Vehicles
Archoil AR6500 is a great choice for your diesel vehicle. It comes in a 40 oz bottle. This bottle treats up to 400 gallons of fuel.
This additive helps your engine run better. It also boosts fuel economy.
It cleans and protects your fuel system. It even helps your engine’s performance. Use it with every fill-up.
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Perfect For:
This diesel treatment is perfect for owners of diesel trucks, vans, or farm machines that need better fuel use and stronger power. It helps drivers who want to fix engine problems and save money on gas.
Ready to Purchase?
7. LIQUI MOLY Super Diesel Additive | 300 ml | Diesel additive | SKU: 2002
Boost your diesel engine with this additive. It gives a cetane boost for better performance. Use it often to keep your fuel system clean.
The flash point is 63.0 degrees Celsius. It weighs just 0.76 pounds.
Trust this product for top results. Buy now and see the difference. Your engine will thank you.
| Pros | Cons |
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Perfect For:
This diesel additive is perfect for truck drivers who want to boost their engine’s power and keep the fuel system clean. It’s also ideal for farmers with diesel tractors needing easy maintenance.
Ready to Purchase?
8. Prolube Oil Treatment – Engine Oil Additive for Gas & Diesel Engines – Reduces Wear, Noise, Vibration – Boosts Fuel Economy & Horsepower – Works on Transmissions & Differentials (16oz)
Add Prolube Oil Treatment to your engine. It cuts noise and vibrations. It boosts horsepower for a smooth ride.
It saves fuel costs with less friction. It cuts wear by up to 45% and extends life.
It works on gas and diesel engines. It fits transmissions and differentials. Use 1 oz per quart for most cars.
| Pros | Cons |
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Perfect For:
Prolube Oil Treatment is perfect for drivers who want a smarter way to protect their cars, trucks, or industrial machines. It suits anyone with gas or diesel engines, transmissions, or differentials looking to cut wear, noise, and fuel costs while boosting power and life.
Ready to Purchase?
9. Hot Shot’s Secret HSS64Z Original Stiction Eliminator 64 Fluid Ounce Bottle, Green
This product brings back the power and performance of your engine. It protects against too much wear and tear.
It cleans and lubricates all parts in the oil system. This includes injectors, turbos, and more.
It cuts wear by up to 62% better than oil alone. Tests prove this fact. It fixes 9 out of 10 bad injectors for stronger performance.
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Perfect For:
This product is perfect for diesel truck drivers who need to fix failing HEUI injectors and bring back their engine’s full power without high repair costs. It’s also great for gasoline engine owners who want to reduce wear and keep their ride running smooth.
Ready to Purchase?
10. Hot Shot’s Secret SSFP Signature Series Fuel Pack 32 Ounce 2 Pack
Hot Shot’s Secret SSFP Signature Series Fuel Pack comes in a 32-ounce two-pack for diesel engines. It includes Diesel Extreme and EDT to clear deposits, boost cetane, and improve performance.
Diesel Extreme reduces DPF regeneration by up to 50 percent. EDT increases fuel economy and engine power. Both are for diesel engines only.
| Pros | Cons |
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Perfect For:
This fuel pack is perfect for diesel truck owners who want to boost engine power, improve fuel economy, and cut down on smoke from their rigs. It’s also ideal for farmers or anyone driving diesel vehicles every day to keep engines running smooth and reduce costly repairs.
Ready to Purchase?
Buying Guide
Diesel engines provide strong power and last long. Yet, they may lose efficiency over time. This guide helps pick top additives for smoother performance.
Users report better mileage after using these additives. Engines run quieter and start easier in cold weather. Many say their trucks feel more powerful and save on fuel costs.
- Engine Compatibility: Check if the additive works with your diesel truck. Most suit common models like Ford or Chevy. Test a small amount first if unsure.
- Cetane Boost: Look for additives that raise cetane numbers. Higher cetane means quicker starts and less smoke. Aim for boosts up to 7 points for big gains.
- Injector Cleaning: Choose ones that clear buildup in fuel systems. Clean injectors prevent fuel leaks and improve spray. This leads to steadier engine power.
- Fuel Economy Improvement: Pick products that promise better miles per gallon. Users often see savings on long drives. Combine with good driving to double benefits.
- Cold Weather Protection: For winter, select anti-gel types. They stop fuel from thickening at low temps. This ensures smooth starts in freezing areas.
- Wear Reduction: Go for additives that cut engine wear. They add oil protection and lower noise. Stick with those tested to reduce wear by over 40%.
- Ease of Use: Choose simples like pour-in treats. Dose per gallon as told. Avoid complex ones needing tools.
- Quantity and Coverage: Buy based on fuel treatment size. A 16oz bottle may cover 400 gallons. Store extras for regular use.
- Price Value: Compare cost per treat. Cheaper options can match pricey ones. Read reviews for true savings on repairs.
- Brand Reputation: Trust makers with good feedback. Brands like Hot Shot’s Secret have loyal fans. Check for science-backed claims.