What are the best diesel additives?
Discover the top 10 picks that real users love for boosting engine power, clearer starts, fuel savings, and preventing gelling in cold weather.
Diesel additives boost your engine’s power and keep it running smooth. Many drivers see clearer starts and better fuel savings. Real users love how these products prevent gelling in cold weather.
Truck owners share stories of engines that roar back to life with more efficiency. You’ll learn the top picks that fit your needs perfectly.
List of Top 10 Diesel 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 |
Hot Shot’s Secret Everyday Diesel Treatment is perfect for diesel vehicle owners who drive often and want to boost engine power, improve fuel economy, and keep their fuel systems clean. It helps riders of trucks, vans, and farm equipment protect against rust and moisture for smoother rides every day. |
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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 diesel treatment is perfect for anyone who wants their diesel engine to run great. It’s for people who want to save money on fuel and keep their engine healthy for a long time. |
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Power Service 1025-12PK +Cetane Boost Diesel Fuel Supplement Anti-Freezer – 1 Quart, (Pack of 12) |
Are you a diesel vehicle owner? This is perfect for you! Our Power Service Diesel Fuel Supplement keeps your engine running smoothly, especially in cold weather. It fights fuel gelling, boosts cetane for quick starts, and protects your fuel system. |
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Archoil AR6500 Diesel Treatment (40 Ounces) – Treats 400 Gallons – Additive for All Diesel Vehicles |
Is your diesel engine not running like it used to? Then Archoil AR6500 Diesel Treatment is for you. It’s perfect for anyone who wants to boost performance, clean their engine, and save money on fuel. |
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Power Service Diesel Fuel Supplement Antigel 64 oz., Pack of 1 |
Tired of diesel fuel problems in the cold? This is for you! Power Service Diesel Fuel Supplement is perfect for anyone who wants easy starts and smooth running all winter long. |
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Power Service Diesel Kleen+Cetane Boost 64 oz, Pack of 1 3064-06 Grey |
This diesel additive is perfect for truck drivers, farmers, and anyone with diesel vehicles that need clean injectors and more power. It helps fix fuel issues in old or new diesel engines, saving you time and money on repairs. |
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Power Service Diesel Kleen +Cetane Boost – 12 Ounce (Pack of 9) |
This product is perfect for diesel truck and car owners who want to clean and protect their engines from clogs and wear. It helps drivers save money on fuel by boosting power and mileage in any diesel-fueled vehicle. |
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Performance Formula One Shot 8oz, Case of 24 Bottles Treats 30 gallons Diesel Fuel per Bottle |
This product is perfect for truck drivers, fleet managers, and farmers who want better engine power and lower fuel costs. It helps diesel vehicles run smoother, start easier, and cut down on smoke and wear. |
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Hot Shot’s Secret EDT+ Winter Defense 32oz, 7-in-1 Anti-Gel Diesel Fuel Additive – Prevents Gelling, Protects Fuel System, Diesel Additive Improves Cold Starts, Boosts Cetane |
This product is perfect for diesel engine owners facing cold weather. It helps with cold starts, reduces gelling, and protects the fuel system for truck fleets, farmers, and RV owners. |
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Archoil Diesel Fuel System Kit – AR6500 Diesel Treatment (40 oz) + AR6400-D Diesel Fuel System Cleaner |
This kit works great for diesel truck owners who want clean fuel and better power. It helps drivers save on gas and keep their engines running smooth. |
Detailed Reviews
Discover the top 10 diesel additives picked by expert analysis and real customer feedback. We look at each one closely to show their key features, strong performance, and great value. You can choose the best one for your needs, no matter if you want power or cost savings. Keep reading to learn how these picks can help your engine run smoother and save you cash.
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

Is your diesel engine not running its best? Hot Shot’s Secret Everyday Diesel Treatment is the answer! It cleans, protects, and boosts performance. Get ready for a powerful driving experience.
This amazing additive boosts cetane up to 7 points. It also increases power, performance, and fuel economy.
HSSEDT16ZS stabilizes fuel and disperses moisture. Plus, it increases lubricity and prevents rust and corrosion!
| Pros | Cons |
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Perfect For:
Hot Shot’s Secret Everyday Diesel Treatment is perfect for diesel vehicle owners who drive often and want to boost engine power, improve fuel economy, and keep their fuel systems clean. It helps riders of trucks, vans, and farm equipment protect against rust and moisture for smoother rides every day.
Ready to Purchase?
2. Hot Shot’s Secret Everyday Diesel Treatment 1 Gallon, 6-in-1 Diesel Additive – Injector Cleaner, Fuel System Cleaner, Fuel Additive Boosts Cetane (HSSEDT01G)

Keep your diesel engine running clean with Everyday Diesel Treatment. This 1 gallon, 6-in-1 additive cleans, protects, and boosts performance.
Boost cetane by up to 7 points for better power. It cleans fuel injectors and protects the pump. Just pour it in at your next fill-up.
Powered by science, it helps prevent rust and corrosion. Use it at every fill-up for a smoother run.
| Pros | Cons |
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Perfect For:
This diesel treatment is perfect for anyone who wants their diesel engine to run great. It’s for people who want to save money on fuel and keep their engine healthy for a long time.
Ready to Purchase?
3. Power Service 1025-12PK +Cetane Boost Diesel Fuel Supplement Anti-Freezer – 1 Quart, (Pack of 12)

Stay ready for cold weather with the Power Service 1025-12PK diesel supplement. It stops fuel from gelling in freezing temps. Cold starts become quick and easy.
Keep your diesel engine running smooth. The supplement fights fuel-filter icing to avoid blockages. It even boosts cetane levels for better performance.
Grab this 12-pack of quart bottles today. It works in all diesel fuels, including ULSD and biodiesel.
| Pros | Cons |
|---|---|
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Perfect For:
Are you a diesel vehicle owner? This is perfect for you! Our Power Service Diesel Fuel Supplement keeps your engine running smoothly, especially in cold weather. It fights fuel gelling, boosts cetane for quick starts, and protects your fuel system.
Ready to Purchase?
4. Archoil AR6500 Diesel Treatment (40 Ounces) – Treats 400 Gallons – Additive for All Diesel Vehicles

Archoil AR6500 Diesel Treatment is a strong mix that fixes modern diesel fuel problems. It boosts mileage, cleans turbos and DPF systems, and cuts down on costly fixes. It also adds power and quick response with its special formula.
Just add it to every fuel fill-up to keep your diesel engine running smooth. Try it now for better rides and fewer stops.
| Pros | Cons |
|---|---|
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Perfect For:
Is your diesel engine not running like it used to? Then Archoil AR6500 Diesel Treatment is for you. It’s perfect for anyone who wants to boost performance, clean their engine, and save money on fuel.
Ready to Purchase?
5. Power Service Diesel Fuel Supplement Antigel 64 oz., Pack of 1

Power Service Diesel Fuel Supplement Antigel keeps diesel engines running smooth in cold weather. It stops fuel from gelling up and fights ice in fuel filters for easy starts.
This 64 oz. pack boosts cetane levels to speed up cold starts right away. Plus, it protects fuel pumps and injectors with a special lubricator against wear from poor diesel fuel.
Grab this supplement to handle all diesel types, including ULSD and biodiesel. Keep your truck ready no matter the cold. Try Power Service Antigel and feel the power start.
| Pros | Cons |
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Perfect For:
Tired of diesel fuel problems in the cold? This is for you! Power Service Diesel Fuel Supplement is perfect for anyone who wants easy starts and smooth running all winter long.
Ready to Purchase?
6. Power Service Diesel Kleen+Cetane Boost 64 oz, Pack of 1 3064-06 Grey

Power Service Diesel Kleen+Cetane Boost cleans dirty injectors. It prevents injector sticking in HPCR and older systems.
Removes internal and external deposits on fuel injectors. This keeps the fuel path clear. Restores lost power and fuel economy.
It also contains Slickdiesel Lubricator to guard pumps and injectors from wear caused by poor ULSD fuel. It works in all diesel fuels, including ULSD, biodiesel and biodiesel blends.
| Pros | Cons |
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Perfect For:
This diesel additive is perfect for truck drivers, farmers, and anyone with diesel vehicles that need clean injectors and more power. It helps fix fuel issues in old or new diesel engines, saving you time and money on repairs.
Ready to Purchase?
7. Power Service Diesel Kleen +Cetane Boost – 12 Ounce (Pack of 9)

| Pros | Cons |
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Perfect For:
This product is perfect for diesel truck and car owners who want to clean and protect their engines from clogs and wear. It helps drivers save money on fuel by boosting power and mileage in any diesel-fueled vehicle.
Ready to Purchase?
8. Performance Formula One Shot 8oz, Case of 24 Bottles Treats 30 gallons Diesel Fuel per Bottle

Unleash your diesel engine’s true potential. Performance Formula One Shot is here to help. Get ready for a powerful upgrade!
Each bottle boosts your engine. You will see increased horsepower. Plus, you save money with better fuel use.
It’s time for smooth, clean power! Get yours today!
| Pros | Cons |
|---|---|
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Perfect For:
This product is perfect for truck drivers, fleet managers, and farmers who want better engine power and lower fuel costs. It helps diesel vehicles run smoother, start easier, and cut down on smoke and wear.
Ready to Purchase?
9. Hot Shot’s Secret EDT+ Winter Defense 32oz, 7-in-1 Anti-Gel Diesel Fuel Additive – Prevents Gelling, Protects Fuel System, Diesel Additive Improves Cold Starts, Boosts Cetane

Hot Shot’s Secret EDT+ Winter Defense is a 7-in-1 diesel fuel additive that stops fuel from gelling in cold weather. It keeps your engine running smooth and protects the fuel system from damage.
This product boosts cetane by 7 points and improves fuel flow, even at -40°F. It cleans injectors and fights rust, plus it stops water from freezing in lines. A 16 oz bottle treats up to 200 gallons, so add it at your next fuel fill-up.
| Pros | Cons |
|---|---|
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Perfect For:
This product is perfect for diesel engine owners facing cold weather. It helps with cold starts, reduces gelling, and protects the fuel system for truck fleets, farmers, and RV owners.
Ready to Purchase?
10. Archoil Diesel Fuel System Kit – AR6500 Diesel Treatment (40 oz) + AR6400-D Diesel Fuel System Cleaner

The Archoil Diesel Fuel System Kit packs AR6500 Diesel Treatment (40 oz) and AR6400-D Diesel Fuel System Cleaner. This combo restores key fuel system parts like injectors, turbo, and DPF. It boosts cetane for better performance and MPG.
Choose this kit to clean and protect your diesel engine. Note that AR6400-D is not for HEUI injector stiction; use AR9100 Friction Modifier instead.
| Pros | Cons |
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Perfect For:
This kit works great for diesel truck owners who want clean fuel and better power. It helps drivers save on gas and keep their engines running smooth.
Ready to Purchase?
Buying Guide
Diesel additives can make your engine stronger and last longer. They help fuel burn better and stop problems like rust. Drivers often see more power and less fuel use with these products.
Real truck drivers say Hot Shot’s Secret Everyday Diesel Treatment fixed their cold starts right away. One user mixed it in and felt the engine purr smoother with better miles per gallon. Another added Power Service in winter and had no gel issues even at freezing temps.
- Cetane Boost: This helps fuel ignite faster for more power. Many products add up to 7 points to cetane. It means quicker starts and less smoke.
- Cold Weather Protection: Additives stop fuel from gelling in low temps. They fight ice in filters too. Users love quick starts on harsh days.
- Fuel System Cleaning: These clean dirt from injectors and pumps. They remove buildup and stop clogs. Engines run clean and smooth longer.
- Lubricity: Poor fuel can wear parts, so additives add oil. They protect pumps and injectors well. This cuts down on costly fixes.
- Fuel Economy: Good additives boost miles per gallon. They make fuel burn more efficiently. Drivers save money on gas over time.
- Power and Performance: Additives increase engine strength and speed. They give faster response and more torque. Trucks feel stronger on the road.
- Rust and Corrosion Prevention: Additives keep metal safe from moisture and dirt. They coat parts and stop damage. This keeps systems working new.
- Compatibility: Look for ones that work in all diesel types like ULSD or biodiesel. They fit modern and old engines well. Choose based on your truck’s needs.