5 Best Fuel Additives for Diesel Trucks That Will Boost Performance and Efficiency

When it comes to enhancing the performance and efficiency of your diesel truck, choosing the right fuel additive can make all the difference. Imagine a smoother ride, increased fuel economy, and a cleaner engine – all achievable with the help of the right product.

But with a myriad of options available, how do you know which additives truly deliver on their promises? Let's explore the top 5 fuel additives for diesel trucks that have been proven to boost performance and efficiency, ensuring you get the most out of your vehicle's engine.

Opti-Lube XPD All Seasons Diesel Fuel Additive: Gallon (Treats 512 Gallons)

For diesel truck owners seeking improved engine performance and fuel economy year-round, the Opti-Lube XPD All Seasons Diesel Fuel Additive is a cost-effective solution that treats up to 512 gallons of fuel. This additive enhances lubrication for optimal engine performance, improves fuel economy, and cleans injectors to prevent build-up. It also boosts overall vehicle performance and demulsifies water from diesel fuel. With anti-gel properties for cold weather conditions, the Opti-Lube XPD is a versatile product suitable for various applications, including trucks, farm, and construction equipment. It's compatible with all vehicle emissions systems and helps prevent rust and corrosion. Experience the benefits of increased power, efficiency, and cleanliness in your diesel engine with this highly rated additive.

Best For: Diesel truck owners looking to improve engine performance and fuel economy year-round.


  • Enhances lubrication for optimal engine performance
  • Improves fuel economy
  • Cleans injectors to prevent build-up


  • Some concerns over shipping costs for international orders

Hot Shots Secret Everyday Diesel Treatment 4 Ounce 24 Pack (HSSEDT04Z24)

Boost your diesel truck's cetane level by up to 7 points with Hot Shots Secret Everyday Diesel Treatment 4 Ounce 24 Pack (HSSEDT04Z24), enhancing fuel economy and engine performance. This daily engine care solution not only boosts cetane levels but also improves fuel economy and reduces DPF regen cycles. The 24-pack treats up to 400 gallons of diesel fuel, maintaining clean injectors, providing lubrication, neutralizing acids, and preventing rust and corrosion. Components like cetane booster, lubricity protection, injector cleaner, corrosion inhibitor, demulsifier, and stabilizers ensure optimal engine performance. The ashless formula has no adverse effects on the engine and meets low sulfur content requirements. Suitable for various diesel engines, from agricultural and construction vehicles to marine, racing, RVs, semi-trucks, and small engines.

Best For: Diesel truck owners looking to improve cetane levels, fuel economy, and engine performance on a daily basis.


  • Boosts cetane levels by up to 7 points.
  • Improves fuel economy and reduces DPF regen cycles.
  • Treats up to 400 gallons of diesel fuel and maintains engine cleanliness.


  • Some users have reported concerns with bottle cap sealing and pouring design.

Lucas Oil 10013-PK4 Fuel Treatment – 1 Gallon (Pack of 4)

When considering fuel additives for diesel trucks, the Lucas Oil 10013-PK4 Fuel Treatment stands out as a versatile solution that benefits both gasoline and diesel engines. This 1-gallon pack of 4 is formulated to clean and lubricate the fuel system, increasing power and miles per gallon while neutralizing low sulfur fuel problems. It acts as a tune-up in a bottle, extending the life of pumps and injectors. Users have reported improved mileage and engine performance, reduced maintenance costs, and enhanced fuel efficiency and horsepower. This fuel treatment is suitable for vehicles requiring leaded fuel, can be used in carbureted or fuel-injected engines, and is recommended every couple of months for optimal results. At around $30 per gallon, this product offers a cost-effective way to boost your engine's performance and efficiency.

Best For: Those looking to improve the performance and efficiency of their gasoline or diesel engines with a versatile fuel treatment solution.


  • Acts as a tune-up in a bottle, cleaning and lubricating the fuel system.
  • Increases power and miles per gallon, enhancing engine performance.
  • Suitable for both gasoline and diesel engines, offering versatility in usage.


  • May not be suitable for all vehicle types or fuel systems.

Power Service 3025-12 Diesel Kleen+Cetane Boost, 32 Fluid Ounces, 12 Pack

If you're looking to enhance the performance and fuel efficiency of your diesel truck, the Power Service 3025-12 Diesel Kleen+Cetane Boost, 32 Fluid Ounces, 12 Pack is a reliable choice with its effective injector cleaning and cetane boosting capabilities. This product is designed to clean dirty injectors and prevent injector sticking, ensuring optimal fuel combustion. It works well with all diesel fuels, including ULSD, biodiesel, and blends, and can boost cetane levels by up to 6 numbers. Users have reported improvements such as increased fuel mileage by 1.5-2 miles per gallon, endorsed by Cummins for enhanced performance. Additionally, it boosts power, reduces downshifting, restores lost power, and fuel economy, making it a valuable addition to your diesel truck maintenance routine.

Best For: Diesel truck owners looking to improve fuel efficiency and performance.


  • Effectively cleans dirty injectors and prevents sticking.
  • Boosts cetane levels by up to 6 numbers.
  • Endorsed by Cummins for enhanced performance.


  • Not suitable as a diesel fuel winterizer or antigel.

Howes Diesel Treat Anti-Gel and Fuel Lubricator (Case of Six 32-Ounce Bottles)

For diesel truck owners seeking enhanced engine performance and protection against gelling, the Howes Diesel Treat Anti-Gel and Fuel Lubricator in a case of six 32-ounce bottles is a reliable choice. This product serves as both an anti-gel and diesel fuel lubricator, ensuring smooth engine operation even in colder temperatures. The lubrication it provides is particularly beneficial for injectors in older diesel engines, offering improved efficiency and longevity.

Preventing diesel gelling, this additive is suitable for preventative maintenance in diesel vehicles and tractors. With positive customer feedback highlighting its effectiveness in enhancing engine performance and injector protection, the Howes Diesel Treat Anti-Gel and Fuel Lubricator stands out as a practical solution for maintaining your diesel truck's optimal functioning.

Best For: Diesel truck owners looking to improve engine performance and protect against gelling in colder temperatures.


  • Provides enhanced engine performance
  • Protects injectors in older diesel engines
  • Prevents diesel gelling


  • May be more expensive compared to other diesel additives

Factors to Consider When Choosing Fuel Additives for Diesel Trucks

When choosing fuel additives for your diesel truck, consider key selection factors like compatibility and performance enhancement.

Ensure the additive you choose is compatible with your engine to maximize benefits.

Look for additives that not only improve fuel efficiency but also offer preventative maintenance advantages.

Key Selection Factors

Consider the specific requirements of your diesel truck's engine when selecting fuel additives for optimal performance and maintenance.

Take into account the type of diesel engine you have, as different additives are tailored to specific engine types.

Look for additives that provide benefits such as cetane boosting, lubrication enhancement, injector cleaning, and fuel system maintenance to keep your engine running smoothly.

Ensure the additive is compatible with your vehicle's emissions systems to meet environmental standards.

Evaluate its ability to prevent issues like fuel gelling in cold weather for consistent performance year-round.

Lastly, check user feedback and ratings to determine the additive's effectiveness in improving engine performance and fuel efficiency.

Additive Compatibility

To ensure optimal performance and maintenance of your diesel truck's engine, prioritize fuel additives that are compatible with your specific engine type and fuel system requirements. Make sure the additive is suitable for use with Ultra-Low Sulfur Diesel (ULSD) and biodiesel blends to prevent any damage to the fuel system.

Additionally, check that the additive is safe for all emissions systems in modern diesel trucks. Look for formulations that work effectively in various temperatures and weather conditions.

Confirm that the additive addresses specific concerns such as injector cleaning, lubrication, cetane boosting, or anti-gel properties based on your truck's individual needs. Choosing a compatible fuel additive is crucial for maximizing the efficiency and longevity of your diesel truck's engine.

Engine Performance Enhancement

When selecting fuel additives for your diesel truck to enhance engine performance, prioritize formulations that improve combustion efficiency, reduce friction, and clean fuel injectors for optimal operation.

Look for additives that boost cetane levels, enhancing diesel ignition quality and overall engine power. Additionally, choose additives that provide lubrication to reduce wear and tear on engine components, ensuring smoother operation and longevity.

Opt for additives that prevent injector sticking, which can affect fuel delivery and engine performance. Regular use of fuel additives can't only optimize fuel economy but also reduce emissions, maintaining consistent engine performance over time.

Fuel Efficiency Improvement

When looking to enhance fuel efficiency in your diesel truck by selecting the right additives, prioritize formulations that optimize combustion, reduce friction, and enhance engine performance. Certain additives can boost cetane levels, leading to better ignition quality and improved fuel combustion efficiency.

Additives with lubricity enhancers can reduce wear and tear on fuel system components, resulting in better fuel economy over time. Additionally, some additives help clean injectors, removing deposits that can hinder fuel delivery and combustion efficiency, ultimately improving mileage.

Choosing fuel additives that prevent fuel system issues like gelling or corrosion is crucial for maintaining optimal engine performance, which contributes to better fuel efficiency in diesel trucks.

Preventative Maintenance Benefits

Consider key factors when selecting fuel additives for your diesel truck to ensure optimal preventative maintenance benefits. By using additives that clean and lubricate fuel injectors, you can prevent build-up and maintain peak engine performance. These products also neutralize acids in the fuel system, safeguarding against corrosion and prolonging the lifespan of vital engine components.

Moreover, fuel additives enhance fuel economy by boosting combustion efficiency and reducing friction, leading to long-term cost savings. Regular use helps stabilize fuel quality, particularly in vehicles left idle for extended periods, reducing the risk of fuel degradation.

Application Flexibility

To ensure your diesel truck's optimal performance and longevity, prioritize fuel additives that offer versatile application benefits across a range of diesel engines and operating conditions.

Look for additives that can be used in various diesel engines, including trucks, construction equipment, agricultural machinery, and marine vehicles. Opt for additives that can be used year-round, providing advantages in both warm and cold weather conditions. Choose products compatible with different fuel types like ultra-low sulfur diesel (ULSD), biodiesel, and diesel blends for maximum flexibility.

Select additives that offer multiple benefits such as cetane boosting, injector cleaning, lubrication enhancement, corrosion prevention, and fuel system maintenance. Ensure that the additives you choose are suitable for different emission systems and don't cause adverse effects on the engine or its components.

Anti-Gel Properties

For optimal winter performance and smooth engine operation in your diesel truck, prioritize fuel additives with anti-gel properties. These additives prevent fuel from gelling in cold temperatures, avoiding clogs in fuel filters and lines.

By lowering the pour point of diesel fuel, these products enable better flow even in freezing conditions. The ingredients in anti-gel additives work to alter wax crystal formation in diesel fuel, enhancing its cold weather performance.

Ensuring your diesel truck is equipped with additives containing anti-gel properties is crucial for maintaining optimal fuel flow and engine efficiency, especially in cold climates. Make sure to choose additives that provide this essential feature to avoid potential fuel system issues during winter months.

Warranty and Support

When selecting fuel additives for your diesel truck, prioritize products that come with warranty options and robust customer support. It's crucial to check for available guarantees and support channels provided by the manufacturer or seller.

Ensure the product includes a warranty to cover any potential issues or defects that may arise. Verify the availability of support channels for addressing concerns or queries about the fuel additive.

Consider the level of customer service offered by the brand or manufacturer for assistance with product usage or troubleshooting. Having reliable warranty options and strong customer support can give you peace of mind and assurance when choosing the best fuel additives for your diesel truck.

Frequently Asked Questions

Can These Fuel Additives Be Used in Conjunction With Each Other for Better Results?

Yes, you can use these fuel additives together for improved results. Mixing compatible products can enhance performance and efficiency. Always follow manufacturer guidelines and dosage recommendations to ensure optimal benefits for your diesel truck.

Are There Any Specific Maintenance Tasks That Should Be Done Before Using These Fuel Additives?

Before using these additives, ensure your diesel truck is properly maintained. Check for any leaks, change filters as needed, and follow manufacturer guidelines. Proper maintenance sets the stage for optimal performance when using fuel additives.

Can These Fuel Additives Harm the Engine or Fuel System if Used Incorrectly?

Using fuel additives incorrectly can potentially harm your engine or fuel system. It's crucial to follow the manufacturer's instructions carefully to avoid any damage. Always exercise caution and ensure proper application for optimal performance and safety.

Are There Any Specific Storage Requirements for These Fuel Additives to Maintain Their Effectiveness?

To maintain effectiveness, store fuel additives in a cool, dry place away from direct sunlight. Make sure containers are tightly sealed to prevent evaporation. Following these storage requirements will help preserve the additives' performance benefits for your diesel truck.

Are There Any Compatibility Issues With Using These Fuel Additives in Certain Diesel Truck Models or Engines?

When using fuel additives in diesel trucks, it's crucial to ensure compatibility with your specific model or engine. Check manufacturer guidelines or consult with a mechanic to avoid any potential issues and maximize performance.


Overall, choosing the right fuel additive for your diesel truck can greatly improve performance and efficiency.

Whether you opt for Opti-Lube XPD, Hot Shots Secret, Lucas Oil, Power Service, or Howes Diesel Treat, each product offers unique benefits to help maintain your engine and fuel system.

Consider factors such as lubrication, cetane boost, anti-gel protection, and overall fuel treatment when selecting the best additive for your specific needs.

Happy driving!