Top 5 Best Oil Additives for Diesel Engines

Leading oil additive companies manufacture a variety of additives to improve the performance of diesel engines. Some additives work better than others in specific environments or applications. The following five additives are among the best on the market for diesel engine users. Each additive has been proven to provide specific benefits that can improve engine performance and long-term durability. So, whether you are a truck driver or an owner of a diesel vehicle, read on to learn more about oil additives and how they can benefit your engine!

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Best Oil Additive for Diesel Engines

Our Overall #1 Rated Pick

Liqui Moly Cera Tec Friction Modifier

Liqui Moly Cera Tec Friction Modifier

Key Features:

  • Mixable with all commercially available motor oils
  • Stable even under high thermal and dynamic permanent loads
  • No deposits and absolutely compatible with all commonly used filter systems
  • Resists extremely high and low temperatures

Liqui Moly Cera Tec Friction Modifier is a powerful product used to reduce wear inside of an engine. It works by changing the composition of the engine’s oil, making it smoother and easier to pump, as well as changing the composition of wear particles in the engine. It is especially useful for older cars that have been driven a long time or used regularly (such as those found on construction sites).

However, due to its price and cost effectiveness, many users recommend it for newer car use as well.

Liqui Moly Cera Tec Friction Modifier works by converting the molecules within oil to make them smoother and more slippery; therefore allowing parts of an engine’s internal combustion process to flow with less resistance. This makes pistons move faster and more freely along cylinders, increasing horsepower while decreasing fuel consumption/emissions at the same time.

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What is Oil Additive for Diesel Engine Cars?

Best Oil Additive for Diesel Engines

Oil additive for diesel engine cars is a chemical concoction that provides lubrication to moving parts of an engine, decreasing friction and corrosion. Lubricants are used to reduce the metal-to-metal contact in engines by providing a barrier between two surfaces that are rubbing on each other.

Since diesel engines run hotter than gasoline engines, they need better quality oil that can stand up to the additional heat without burning off quickly. Oil additives extend the life of your car’s motor oil, so you don’t have to change it as frequently. If you drive your diesel powered vehicle under normal driving conditions with no unusual vibrations or noises, then automatic transmission fluid additive may be all you need for complete maintenance of your engine.

But if your car emits smoke out of the exhaust, if it makes unusual noises or vibrations, or if your car burns through oil quickly, then you might need to use a cleaner in addition to an engine oil additive. Cleaners help unclog oil passageways in engines that are filled with carbon residue.

The Function of Oil Additive

An oil additive is an added substance that changes the chemical composition of lubricating oils or provides additional properties for engine lubrication. The benefits additive provide include improved stability, corrosion protection, viscosity control, wear protection and friction reduction.

Oil additives are used to help control the foaming in crankcase oil caused by heat and pressure. This reduces the amount of oil that mixes with air, which causes more heat to be generated. A number of additives are designed specifically for controlling foam within engine oils.

The best oil additive will have some type of extreme pressure agent added, so it is best used in racing car engines under high levels of stress. It will also increase the oil’s reserve alkalinity.

There are additives available for both diesel and gasoline engines, so the best oil additive will be designed to work with each type of engine. Some additives will increase the viscosity of oil or help it flow at higher temperatures.

If you’re looking to buy the best oil additive, look for one that reduces viscosity breakdown and improves fuel economy. The best oil additive will also act as a metal conditioner for the engine. Oil additives are commonly used in many lubricants, solvents, fuels, diesel engine oils and hydraulic fluids to improve their performance.

The benefits of using an oil additive include reduced volatility in gasoline, increased engine power, improved lubrication and better protection against wear. It is important that you use the appropriate oil additive for your specific type of engine to prevent damage.

Oil additives are available in a variety of colors, strengths and fragrances depending on user preference.

Best Oil Additives for Diesel Engine Cars

The top best product [hide]

Liqui Moly Cera Tec Friction Modifier

Liqui Moly Cera Tec Friction Modifier
CERA TEC is a high-tech ceramic wear protection product for all motor oils. CERA TEC reduces friction and wear due to ceramic compounds that withstand extremely high chemical and thermal loads. Prevents direct metal-to-metal contact, thus increasing the engine service life. The low-friction effect reduces fuel consumption in gasoline and diesel engines.
Technical Specifications:
CERA TEC should be added to the oil and is self-mixing. Sufficient for 5 liters of motor oil
Provides protection up to 50,000 km
Not suitable for use with wet clutches
Value for money: 🔥🔥🔥🔥🔥
CERA TEC provides wear protection for engines, transmissions, pumps and compressors
Stable even under high thermal and dynamic permanent loads
No deposits and absolutely compatible with all commonly used filter systems and resists extremely high and low temperatures

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Lucas Oil Heavy Duty Oil Stabilizer

Lucas Oil Heavy Duty Oil Stabilizer
Lucas Oil Stabilizer is a 100% petroleum product formulated to eliminate dry starts and reduce friction, heat and wear in any type of engine. It allows motor oils a higher degree of lubricity which reduces oil consumption and operating temperatures.
Technical Specifications:
Virtually eliminates dry starts and excessive wear
Will not sludge or varnish
For use in any engine, gasoline or diesel
Value for money: 🔥🔥🔥🔥
Extends oil and engine life
Raises Oil Pressure
Lowers engine temperature

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Archoil Oil Additive for All Vehicles

Archoil Oil Additive for All Vehicles
HEUI injectors use oil pressure to raise fuel pressure inside the injector. Engine oil is exposed to very high temperatures and pressures in the spool valve and degrades, forming deposits. Deposits and the resulting wear create 'stiction', which can prevent the injector from firing. AR9100 removes and disperses deposits and forms a friction reducing solid boundary lubricating film. By removing deposits and reducing friction, AR9100 eliminates stiction issues.
Technical Specifications:
Reduces wear and extends component life
Reduces engine noise, vibration and heat
For all diesel and gasoline engines, gearboxes, hydraulics, differentials and power steering systems
Value for money: 🔥🔥🔥🔥
Increases the TBN of your oil which will help prevent it from becoming acidic aduring extended oil drain intervals
Gently remove and disperse any sludge, varnish and carbon deposits that have built up in the engine
Reduces friction, improving efficiency and power

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REV X Stiction Fix Oil Treatment

REV X Stiction Fix Oil Treatment
If you've been looking for an oil additive that ramps up the performance of any lubricating fluid, without any of the harmful additives used in the past, your search is over. REV X High Performance Oil Additive has proven worldwide to outperform all other products while surpassing all expectations. REV X High Performance Oil Additive was formulated to be the highest performing oil additive available at any cost with zero downsides.
Technical Specifications:
Can be used in All Types of Lubricating Fluids (Engine Oils, Gear Lubricants, Hydraulic Fluid, Etc).
For use in a Huge Variety of Applications that Require the Highest Grade of Lubrication Possible.
Contains No Graphite, Moly, Teflon, Acids or any Other Harmful or Dangerous Additives and safe for all Soft and Exotic Metals
Value for money: 🔥🔥🔥🔥
Increases Efficiency, Horsepower and Torque
Greatly Improves Starting in Cold Weather and Reduces Operating Temperatures to Increase Performance
Provides Smoother Operation of all Treated Components Extreme Reductions in Component Wear

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Hot Shot's Secret Original Stiction Eliminator

Hot Shot’s Secret Stiction Eliminator is an engine oil treatment engineered to remove the sludge and varnish created from burnt oil from inside your engine while also lubricating to protect engine components. Stiction is the term for the sticky friction caused by the deposits that form inside your engine over time. This stiction results in lost power and compression, lower fuel economy and leads to excessive wear inside the engine.
Technical Specifications:
Products that experts trust with 100% money back guarantee
Reduce engine wear up to 62% Improve power and compression
Restores oil pressure, cleans the engine
Value for money: 🔥🔥🔥🔥
Improved power; improved compression
Removed engine deposits; seals rings better Neutralized harmful engine acids; reduced frictional drag
Prevent excessive wear; reduced lifter and valve noise

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Oil Additive for Diesel Engine Cars – Buying Guide

Best Oil Additive for Diesel Engines

Diesel cars have a few things going for them, but their engines tend to be less efficient than gasoline-powered ones. One way to offset this is a diesel oil additive which you add to your fuel tank. It’s an extra expense, so you’ll need to decide if the benefits are worth the investment.

In this article we’ll discuss diesel engine oil additives and the advantages they offer.

A diesel oil additive is a chemical or compound that you add to your car’s fuel tank at regular intervals. It mixes with the fuel and boosts efficiency in your diesel engine. Normally it helps clean out any gunk that accumulates in your fuel system. This gunk can clog up small passageways and impede the movement of air, which reduces power.

Because this additive is added to the fuel, it’s more concentrated than an oil that’s simply burned in your car’s engine .
As a result, you may only need to add it once every few months instead of once or twice a week.

Why using Oil Additives in Diesel Engines?

Diesel engines are highly efficient, but there is one big disadvantage compared to gasoline or compressed natural gas (CNG) engines. The problem with diesel cars is the emission of black smoke which usually indicates poor combustion. Many people think that diesels produce more harmful gases than their gasoline counterparts because they are not equipped with a catalytic converter. However, the main reason for this smoky emission lies in poorly adjusted injection or wrong choice of fuel additives for diesel engine cars. There are many arguments whether adding oil additives for diesel engines can improve vehicle performance and solve accompanying problems like reduced power output, reduced fuel economy, increased emissions levels and so on. The article will try to resolve all these issues related to using oil additives in your car’s diesel engine.

In order to understand how oil additives for diesel engines work, you should first check the chemical formula of diesel fuel. Diesel fuel is a kind of liquid petroleum which includes a broad spectrum of hydrocarbon compounds containing carbon and hydrogen only. The American Petroleum Institute (API) groups these hydrocarbons into five categories: gas oils, gas-oils equivalent, distillates, distillate equivalents and residuum. Gasoline engine cars use gasoline as a fuel that contains small amounts of additives such as lead or benzene that serve as anti-knocking agents and improve efficiency. As we mentioned before, the main problem with diesel cars is their emission of black smoke which results from incomplete combustion because there are no additives in this type of fuel.

Oil additives for diesel engines contain detergents and/or dispersants that help fight soot, carbon and also other contaminants present in the engine oil as residues of combustion which cause engine wearing and clogging. These additives reduce harmful particles emission from exhaust gases by keeping the engine clean. Few types of car oil additives include polyisobutylene, alkyl-benzene sulfonate, polyether amine and others.

Combined with oil additives for diesel engines or used alone, synthetic motor oil is an indispensable product in order to improve vehicle power output and fuel economy. It is compatible with all types of fuels (diesel fuel, gasoline fuel) and can be used in all types of engines.

Oil additives for diesel cars and motor oil combined with these additives provide great benefits in terms of engine wear and clogging prevention, emission reduction and power output improvement. Just make sure that you choose high-quality products complying with API specifications and enjoy clean driving!

How to Choose the Right Oil Additive?

Best Oil Additive for Diesel Engines

In order to choose the best oil additive for diesel engine cars, it is necessary to know about its composition and formula. In general, there are two types of these additives: chemical and bio-degradable type. Chemical ones contain ingredients such as phosphorous compounds which can damage catalytic converters . It should therefore be a priority in choosing the right additive.

Biodiesel oil additives are now becoming popular among car users because they can work as good as these chemical ones but without any side effects to drivers and their cars. It is necessary to check with automobile manufacturers, however, whether biodiesel additives will not damage the engine’s performance or parts over time.

Oil Additive Change Intervals for Diesel Engines

Although it is generally accepted that regular oil and filter changes are vital for gasoline engines in order to maintain good performance, many diesel engine owners tend to procrastinate on oil changes due to the misconception that diesel engines can run forever without an oil change.

This is very dangerous for your vehicle, as the components in diesel engines are far more susceptible to wear and tear than gasoline engines.

Oil change intervals for diesel engines are typically determined by mileage, rather than time or usage. However, there are other factors that affect the ideal oil change interval for a diesel engine, including driving conditions and how well you maintain your engine.


How Do Engine Oil Additives Work?

Since the early 1900s car manufacturers have been adding oil additives directly into engine oil. The need for additives grew as engines became more powerful and reliable, keeping parts cleaner and cooler while demanding greater flexibility in fluids. Over time oil evolved from being just a lubricant to also acting as an engine's internal cooling system, removing heat from combustion byproducts as it circulated from the engine's hot parts to the cooler oil pan. In many modern engines additives are now optional—the engine oil itself is all that is required. However, adding a supplemental chemical package to oil can help with a number of problems a vehicle might encounter on- or off-road. These chemical packages come in many forms, but fall into three main categories: - Detergents break down and suspend combustion byproducts like soot particles to keep engines clean. - Dispersants distribute abrasive wear particles evenly throughout the oil to reduce wear. Many additives also act as anti-wear agents to further reduce wear on hot surfaces that are subject to constant friction. - Antioxidants help prevent oil from deteriorating, resisting breakdown and keeping it fresh longer. They also shield engine parts from rust and corrosion. Some companies offer a full range of additives to protect against all three types of wear in addition to corrosion, foam reduction, fuel dilution, oxidation control and more.

Can Oil Additives Hurt My Engine?

The short answer is - it depends. The best oil additive for diesel engines does not necessarily mean it's the best choice for every diesel engine on the road today, however there are additives out there that can cause problems and others that can solve common issues and protect your engine while improving performance all at once. If you're wondering if an oil additive might be good for your diesel, here are some things you should know. Gas oil (Diesel fuel) is not an additive itself but instead needs additives to make it work better and last longer. There are many different types of additives available including detergents, corrosion inhibitors, anti-wear agents and friction modifiers. The best oil additive for diesel engines will usually contain a few of these items. There are many additives on the market today and not all of them can or should be used for engine care such as engine oil, transmission fluid and fuel additives. It is often difficult to tell which oils and additives were designed for what type of use, especially if you're looking at an additive that promises a lot of benefits. If you see an oil additive that claims to clean, lubricate and protect your engine, you can either assume it's more than one additive in the same bottle or only meant for use on things other than diesel engines. It is best to steer clear of these types of oils so as not to cause damage or break down the materials in your engine, transmission or fuel system.

Do Diesel Charged Engines Use More Oil?

As diesel engines are designed to operate under extreme conditions, they have greater potential for wear and tear compared to their gasoline counterparts. Due to this reason, it is recommended that diesel engines use premium quality lubricating oil which has good thermal stability. However, even with proper oil maintenance, diesel engines can still use more oil than gasoline ones. This might be down to the fact that diesel has a slightly different composition and this means it requires special additives to maintain optimum engine health and performance. Even with modern advancements, users of diesel engines must pay special attention to oil quality. As well as the effects of extreme temperatures, diesel engines are also more susceptible to issues with contaminants in the engine. It is still unknown why these contaminants build up so quickly or why they have such a significant impact on performance, but one thing is for certain, if left untreated your car will suffer major damage to its internal components. Oil additives for diesel engines have been developed to tackle these problems, and when used regularly can help provide a longer lifespan for your vehicle's engine. In this article we take a look at some of the most effective oil additives available on the market today.
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