5 Best Diesel Oil Additives to Boost Your Engine's Performance

You've probably heard the term 'diamond in the rough' to describe something exceptional waiting to be discovered. When it comes to enhancing your engine's performance, selecting the right diesel oil additive can be the key to unlocking its full potential.

But with countless products on the market, how do you know which ones truly deliver on their promises? Let's explore five top-rated diesel oil additives that could revitalize your engine and keep it running smoothly.

Rislone 4102 XTREME LUBE® Maximum Performance Engine Treatment

If you're seeking an engine treatment that effectively reduces friction, quiets noisy components, and prevents sludge buildup, Rislone 4102 XTREME LUBE® is your ideal choice. This product from Rislone is designed to provide maximum performance for your engine. It helps in reducing friction and wear, ensuring smoother operation. Users have reported quieter engines and positive experiences with reduced lifter noise after using this engine treatment. It's easy to use; simply add it to your engine oil anytime, and it won't void your manufacturer's warranty. For best results, it's recommended to use Rislone 4102 XTREME LUBE® during oil changes or regularly for maintaining peak performance. Try it out and experience the benefits for yourself.

Best For: Individuals looking to reduce engine friction, quiet noisy components, and prevent sludge buildup in their vehicles.


  • Reduces friction and wear, ensuring smoother engine operation.
  • Quiets noisy lifters and valves for a quieter driving experience.
  • Removes and prevents sludge, helping maintain engine cleanliness.


  • Effectiveness may vary among different engine types and conditions.

Motorkote Heavy Duty Hyper Lubricant Engine Treatment, 32-Ounce

For those seeking enhanced engine performance and longevity in their gas or diesel vehicles, the Motorkote Heavy Duty Hyper Lubricant Engine Treatment, 32-Ounce, offers a premium solution that's compatible with a wide range of engines and mechanical devices. This product works effectively with all synthetic and petroleum-based oils, making it versatile for different types of machinery such as automobiles, trucks, lawn equipment, marine engines, and heavy-duty machinery.

By using this engine treatment, you can experience benefits like increased horsepower, lower operating temperatures, reduced engine noise, and vibration. The formulation of this lubricant bonds to metal surfaces, extending engine life and improving fuel economy. Moreover, it's easy to use, as it doesn't require heat for activation and contains no solids, ensuring no alterations to SAE ratings or warranties.

Best For: Those looking to improve engine performance and longevity across a variety of gas or diesel vehicles and machinery.


  • Compatible with all synthetic and petroleum-based oils.
  • Increases horsepower and reduces engine noise.
  • Lasts through multiple fluid changes.


  • May not show immediate results.

BG Advanced Formula MOA 115

When seeking to maximize engine longevity and minimize wear, consider incorporating BG Advanced Formula MOA 115 into your diesel oil regimen. This powerful additive extends engine life, reduces wear, prevents sludge and varnish buildup, and stops excessive oil consumption. It also ensures that piston rings don't stick, maintaining optimal engine performance. Users have reported positive outcomes such as resolving lifter noise in vehicles like the Chevy Cruise, eliminating engine noise in the Toyota Tacoma, and improving gas mileage and engine efficiency across various makes and models. With consistent usage over the years, BG Advanced Formula MOA 115 has proven to be a reliable product that enhances engine efficiency, reduces engine noise, and ensures a smoother overall driving experience.

Best For: Those looking to enhance engine performance and prolong engine life with a reliable additive.


  • Extends engine life
  • Reduces wear
  • Prevents sludge and varnish buildup


  • May be more costly than basic oil additives

STP Ceramic Oil Treatment, Anti-Friction Technology, 15 Oz (19387)

With its ceramic coating that protects the engine for up to 15,000 miles, the STP Ceramic Oil Treatment, Anti-Friction Technology, 15 Oz (19387) is an ideal choice for those seeking lasting engine protection and enhanced performance. This oil additive offers anti-friction technology for smoother engine operation, preventing engine deposits and cleaning sludge build-up. Users have reported improved gas mileage, increased horsepower, and reduced emissions after using this product.

The STP Ceramic Oil Treatment is compatible with all gas or diesel engines, providing increased lubrication between metal parts. Its ceramic SiO2 content ensures dry lubrication and doesn't void warranties, making it a reliable choice for optimal engine performance. Trust in the STP brand for a trusted automotive care solution.

Best For: Those looking to protect their engine for up to 15,000 miles while enhancing performance and reducing emissions.


  • Lasting engine protection
  • Increased lubrication between metal parts
  • Performance boost in horsepower and gas mileage


  • May require additional cost for premium synthetic oil and oil filter

REV X ZDDP Oil Additive – Zinc & Phosphorus

If you want to enhance engine performance and protect high-load components, consider using the REV X ZDDP Oil Additive – Zinc & Phosphorus. This product creates an anti-wear layer at friction points, making it ideal for engine break-in and flat tappet engines. It's suitable for use with synthetic and mineral-based oils and contains 3000 – 3200 ppm of ZDDP to safeguard high-load components.

Manufactured by Rev X Products, Inc., this additive weighs 3.52 ounces, with dimensions of 1.5 x 1.5 x 4 inches. The model number for this product is ZINC0201, and it holds a Best Sellers Rank of #11,195 in Automotive on Amazon, with a high customer rating of 4.7 out of 5 stars from 777 ratings.

Best For: Drivers looking to enhance engine performance and protect high-load components with an oil additive.


  • Creates an anti-wear layer at friction points for engine protection.
  • Ideal for engine break-in and flat tappet engines.
  • Suitable for use with synthetic and mineral-based oils.


  • May not be necessary for all engine types.

Factors to Consider When Choosing Diesel Oil Additives

When selecting diesel oil additives, you should consider factors like:

  • The benefits for your engine
  • The potential performance enhancement they offer
  • How compatible they are with your specific vehicle

Additionally, it's crucial to think about:

  • The longevity and durability these additives can provide
  • Any noise reduction technology they may incorporate

Remember to weigh these points carefully to make an informed choice for your diesel engine's maintenance and performance.

Benefits for Diesels

Considering diesel oil additives for your vehicle?

Diesel oil additives offer various benefits for diesel engines. They can improve lubrication, reducing friction and wear on critical components. By enhancing fuel efficiency and optimizing engine performance, these additives can help in reducing internal resistance and increasing overall efficiency.

Additionally, diesel oil additives contribute to extending the lifespan of your engine by preventing sludge buildup and maintaining cleaner internal parts. Moreover, they aid in reducing emissions by promoting smoother operation and efficient combustion.

Using diesel oil additives can result in smoother engine operation, reduced noise levels, and improved performance in your diesel vehicle. Make sure to choose the right additive that suits your engine's needs for optimal results.

Performance Enhancement

To enhance performance when selecting diesel oil additives, prioritize factors that align with your engine's specific requirements. Consider additives that reduce friction, wear, and noise to improve overall engine efficiency.

Look for products that boost fuel efficiency, increase horsepower, and extend the longevity of your engine. Some additives are designed to prevent sludge buildup, reduce emissions, and maintain cleanliness within the engine.

Enhanced lubrication properties in additives can provide crucial protection for engine components, especially under high-stress conditions. By choosing the right diesel oil additive tailored to your engine's needs, you can optimize performance, safeguard against premature wear, and ensure your engine operates at its best for longer periods.

Compatibility With Engines

When selecting diesel oil additives for your engine, ensure compatibility with a wide range of diesel engines, including both old and new models. Opt for additives suitable for turbocharged or supercharged diesel engines to guarantee optimal performance.

Look for products that work well with different fuel types commonly used in diesel engines, such as biodiesel or ultra-low sulfur diesel (ULSD). Additionally, choose additives designed to function effectively in high-mileage diesel engines to address specific wear and performance issues that may arise.

It's crucial to check for compatibility with emission control systems in modern diesel vehicles to prevent any potential adverse effects on engine components. Prioritize additives that offer broad compatibility to ensure they work seamlessly with your engine.

Longevity and Durability

Ensure your diesel oil additives are selected based on longevity and durability to protect your engine and enhance its performance over time. By choosing additives that offer these qualities, you can extend your engine's lifespan by reducing wear and friction.

High-quality additives can prevent the formation of harmful sludge and varnish, maintaining optimal engine performance for an extended period. Look for additives with anti-wear properties to safeguard critical engine components like piston rings and bearings from premature damage.

Opting for long-lasting additives helps to sustain consistent oil viscosity and lubrication properties, even under high-stress conditions. Prioritizing durability in your diesel oil additives can provide ongoing protection for your engine, decreasing the frequency of maintenance and potential costly repairs.

Noise Reduction Technology

Consider selecting diesel oil additives with noise reduction technology to enhance your engine's performance and driving experience by minimizing engine noise and vibrations.

These additives are designed to reduce friction and wear by incorporating anti-friction agents that target specific engine components like lifters and valves. By minimizing metal-to-metal contact, these additives help lower noise levels, resulting in a quieter engine operation.

Additionally, the technology in these additives can contribute to improved driving comfort and overall engine longevity.

When choosing diesel oil additives, opting for products with noise reduction capabilities can lead to a smoother and more pleasant driving experience, making it worth considering for those looking to reduce engine noise and vibrations.

Fuel Efficiency Improvement

To further enhance your engine's performance and optimize fuel efficiency, evaluating the components of diesel oil additives plays a key role in achieving better mileage and reduced fuel consumption. Diesel oil additives can improve fuel efficiency by reducing friction between moving parts, leading to smoother operation and less energy loss.

Additives like friction modifiers and lubricants optimize the combustion process in diesel engines, resulting in better mileage. Cleaning and maintaining engine components ensure fuel is burned efficiently, maximizing energy output. By minimizing wear and tear, additives help maintain optimal engine performance, contributing to better fuel economy over time.

Choosing additives with proven fuel efficiency benefits can lead to long-term savings on fuel costs and potentially reduce emissions through improved engine efficiency.

Frequently Asked Questions

Are Diesel Oil Additives Safe to Use With All Types of Diesel Engines?

Yes, diesel oil additives are safe to use with all types of diesel engines. They can improve engine performance, efficiency, and longevity. Make sure to follow the manufacturer's recommendations for the best results and to avoid any potential issues.

Can Diesel Oil Additives Improve Fuel Efficiency in Addition to Boosting Engine Performance?

Yes, diesel oil additives can enhance fuel efficiency while boosting engine performance. They optimize combustion, reduce friction, and clean engine components, leading to improved fuel economy. Regular use can help you save money on fuel costs.

How Often Should Diesel Oil Additives Be Used in a Vehicle?

To maintain optimal performance, use diesel oil additives every oil change or as recommended by your vehicle's manufacturer. Consistent use helps keep your engine running smoothly and maximizes the benefits of the additives.

Are There Any Compatibility Issues With Using Multiple Diesel Oil Additives Together?

Using multiple diesel oil additives together can sometimes lead to compatibility issues. It's best to check the product labels or consult with a mechanic to ensure they work well together. Maintaining compatibility will help optimize your engine's performance.

Do Diesel Oil Additives Have Any Effect on Emissions Levels or Emissions Testing Results?

When using diesel oil additives, it's essential to consider their impact on emissions levels and testing results. Some additives can alter emissions, potentially affecting test outcomes. Be cautious and research additives before use to avoid issues.


In conclusion, choosing the right diesel oil additive can greatly improve your engine's performance and longevity.

With products like Rislone, Motorkote, BG, STP, and REV X on the market, you have a variety of options to choose from.

Consider factors such as compatibility, performance benefits, and price when selecting the best additive for your vehicle.

Keep your engine running smoothly and efficiently with the help of these top-rated diesel oil additives.