Diesel Engine Oil Additives

Maximize diesel engine performance and longevity with Chempol’s specialized diesel engine oil additives. Our potent formulations combat sludge buildup, reduce friction and boost oxidation stability, which helps extend oil life and protect essential parts. These additives boast superior wear protection and deliver smoother shifting operations while minimizing engine noise. Fortify your diesel engine against costly breakdowns and ensure peak efficiency – explore our comprehensive range of diesel engine oil additives today.

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Diesel Engine Oil Additives: Enhancing Performance and Protection

In the world of automotive engines, diesel engine oil additives have become increasingly popular. These additives are designed to enhance the performance and protection provided by diesel engine oils.

To better understand the description and the use of diesel engine oil additives for your automotive, the used terms are “treated fuel,” treated lube oil, and motor oil treatment. All these mean that lube oil and motor oil, respectively, include the number of additives in an effective amount. The opposite is untreated fuel, referring to when your lubricant has not been treated with the dose of additives.

To better understand the diesel engine oil additives, here is an example.

A test was done using an automobile with a turbo-diesel Mercedes engine. They added a fuel additive of 40 vol-% C400-C to the car’s tank along with the regular diesel fuel. The additive (1-ounce additive/15 gallons of diesel) they used was a mixture of different substances. After adding the additive and driving the car in city and highway conditions, they found that its mileage improved by 20-25%. This means that your automotive can go further on the same amount of fuel. The engine also ran more quietly and had power. It could go up hills more easily without needing to change gears. The exhaust from the car’s tailpipe didn’t produce any smoke. Another benefit was that once the car was started with the additives in the lubricant, it was easier to move on and start the engine in the future.

Chemical Compounds Used In The Diesel Engine Oil Additives

Here is a detailed explanation of common compounds that are tested and used extensively.

1. Viscosity modifiers

These are the polymers that help regulate the engine oil viscosity across a wide range of temperatures and varying degrees according to the locations. They help prevent the lubricants from becoming too thin at high temperatures or too thick at cold temperatures. Thus ensuring optimal lubrication throughout the operating time of engines.

2. Detergents And Dispersants

These are responsible for keeping the engines clean by preventing the formation of residues, sludge, and stain. Detergents help remove existing deposits, while dispersants prevent contaminations from settling and keep them suspended. They trap them in the oil filters.

3. Anti-Wear Agents

Anti-wear agents make a protective film on metal surfaces, reducing friction and preventing wear and tear. The common types are zinc dialkyldithiophosphate (ZDDP) and molybdenum compounds.

4. Antioxidants

These compounds inhibit the oxidation process, which occurs when oil is exposed to high temperatures and oxygen. They prevent the formation of sludge, varnish, and acids and help extend the oil life.

5. Friction Modifiers

Friction modifiers reduce friction between moving parts of the engine, improving fuel efficiency and reducing wear and tear. They commonly carry organic compounds, such as fatty acids or esters, that create a lubricating layer on metal surfaces.

6. Corrosion Inhibitors

Corrosion inhibitors protect the engine from rust and corrosion caused by moisture and acidic byproducts of combustion. These compounds form a protective barrier on metal surfaces and prevent chemical reactions with corrosive agents.

Additives Interactions And Synergies

Diesel engine oil additives often contain a combination of these compounds to provide multiple benefits. The interactions and synergies between these compounds are carefully engineered to enhance the effectiveness of lubricants in engines.

For example, detergents and dispersants work together and keep ‌engines clean from any contaminants. While antioxidants help maintain stability by inhibiting oxidations. Certain compounds, such as ZDDP, which acts as an anti-wear agent and antioxidant, exhibit synergistic effects. They not only protect the wear and tear but also contribute to the overall stability and longevity of the oil.

Other additives, like friction modifiers, may interact with the anti-wear agents to further reduce and improve fuel efficiency.

Manufacturers carefully balance the concentration and combinations of these compounds to ensure compatibility and avoid any wrong interactions. Proper additives selection and formulation is crucial to achieve the desired performance while maintaining the engine’s overall health.

The Science Behind The Oil Additives For Diesel Engines

The science behind engine oil additives is divided into three sections.

  1. How Additives Improve Engine Performance:
  2. Impact on Fuel Efficiency and Emissions
  3. Effects on Engine Cleanliness and Wear

a- How Additives Improve Engine Performance: Diesel engine oil additives improve engine performance through various mechanisms:

I. Enhanced Lubrication:

Additives reduce friction and wear between moving engine parts by forming a protective film on metal surfaces. This minimizes metal-to-metal contact and improves overall engine efficiency.

II. Viscosity Control:

Viscosity modifiers in additives help maintain the oil’s viscosity within the ideal range across different temperatures. This ensures proper work of lubrication at both high and low temperatures, allowing the machines or engines to work smoothly.

III. Deposit Cleaning And Prevention Agents

Detergents and deposits in additives prevent the formation of deposits, sludge, and varnish inside the engines.

They help remove the existing deposits, keep safe the critical components, and maintain optimal high performance.

IV. Corrosion And Rust Protection:

Additives containing the corrosion inhibitors form a protective barrier on metal surfaces, shielding them from moisture and acidic byproducts of combustions. This protection prevents rust and corrosion, extending the engine’s lifespan.

  1. Effects on Engine Cleanliness and Wear: Diesel engine oil additives have a significant impact on engine cleanliness and wear:

i. Contaminant Suspension:

Detergents and dispersants prevent contaminants from settling and keep them suspended in the oil. This allows the filters to capture these suspended particles, preventing them from causing wear or clogging critical engine passages.

ii. Deposits and sludge prevention:

By inhibiting the deposits and sludge, additives help maintain cleaner engine components, such as pistons, valves, and injectors. Clean engine parts ensure better fuel combustion, reduced wear, and improved performance.

iii. Wear protection:

Anti-wear agents and friction modifiers form a protective layer on metal surfaces, reducing friction and wear during engine operations. This protection helps extend the lifespan of critical engine components and maintains optimal engine performance.

  1. Impact on Fuel Efficiency and Emissions: Diesel engine oil additives can influence fuel efficiency and emissions in the following ways:
  1. Friction Reduction: Friction modifiers minimize energy losses due to friction between engine parts, improving fuel efficiency. Reduced friction also helps engines operate more smoothly, enhancing overall performance.
  2. Improved Combustion: Clean and properly lubricated engine components, facilitated by additives, promote better fuel combustion. This leads to efficient power generation, reduced fuel consumption, and lower emissions.
  3. Oxidation and Thermal Stability: Antioxidants in additives inhibit oil oxidation, preventing sludge formation, varnish, and acidic byproducts. This enhances the oil’s thermal stability, allowing it to maintain its properties over extended periods. Stable oil properties contribute to consistent engine performance and reduced emissions.

Popular Items in the Diesel Engine Oil Additives Category from Chemcpol

CHEMPOL 8108 Diesel Engine Oil Additive

CHEMPOL 8108 is a special mixture used to make high-quality diesel engine oils. When combined with specific base stocks and viscosity modifiers at the recommended levels, it helps create engine oils that meet the standards set by API CK-4 and CJ-4.

Here are some key details about CHEMPOL 8108:

  • It appears as a clear liquid with a reddish-brown color.
  • Its density at 20 degrees Celsius ranges from 950 to 1050 kg/m³.
  • The flash point (the temperature at which it can ignite) is at least 180 degrees Celsius.
  • Its viscosity (thickness) at 100 degrees Celsius falls between 100 and 130 mm2/s.
  • It contains certain elements like phosphorus, zinc, calcium, boron, molybdenum, and sulfur within specified ranges.
  • It has a Total Base Number (TBN) of 74 mg KOH/g, which indicates its ability to neutralize acids.

CHEMPOL 7235 Heavy-Duty Diesel Engine Oil Additive

CHEMPOL 7235 is an engine oil that meets or exceeds various industry requirements, such as API CJ-4/CI-4+/CI-4/CF/SM, ACEA E7, Cummins 20081, Mack EO-O Premium Plus 07, Caterpillar ECF-3, and more. It is suitable for SAE 15W-40 engine oils made with specific base oils and viscosity modifiers.

Here are some key details about CHEMPOL 7235:

  • It has been tested and approved to meet the standards set by different organizations and manufacturers in the automotive industry.
  • It can be used as an engine oil with a viscosity grade of SAE 15W-40.
  • The recommended treatment rate is 13.9% by weight (or 12.4% by volume) when formulating the engine oil.
  • It is formulated with a viscosity modifier called OCP, which ensures stability within a specific shear stability range (23 SSI to 35 SSI).

CHEMPOL 8012 Diesel & Gasoline Engine Oil Additive

CHEMPOL 8012 is a special additive package used to create high-quality diesel engine oils. When used at the recommended levels in combination with approved base stocks and viscosity modifiers, it enables the engine oils to meet the performance requirements of API categories CI-4/CH-4 & CF-4, among others. Additionally, lubricants formulated with CHEMPOL 8012 can be used in gasoline engines requiring API SL category products. It’s important to note that specific claims may vary based on the base stock and viscosity grade used. For more detailed information, please reach out to CHEMPOL.

Recommended Dosage (WT%):

  • For 15W-40 and 20W-50 viscosity grades: 8.0% for CH-4, 8.6% for CI-4.
  • For 10W-30 and 10W-40 viscosity grades: Dosage recommendations may differ.

Here are some typical characteristics of CHEMPOL 8012:

  • Density at 20°C ranges from 950 to 1050 kg/m³.
  • Kinematic viscosity at 100°C falls between 100 and 130 mm²/s.
  • Zinc content ranges from 1.41% to 1.58% by weight.
  • Total Base Number (TBN) is between 115 and 125 mg KOH/g.

CHEMPOL 8013 Diesel & Gasoline Engine Oil Additive Package

CHEMPOL 8013 is an engine oil additive package designed for both diesel and gasoline engines. It contains various components such as detergent, ashless dispersant, anti-friction agent, and complex antioxidant. These ingredients work together to provide excellent protection and performance for engines operating under high temperatures, high speeds, and heavy-duty conditions. The product offers benefits such as high-temperature detergency, low-temperature dispersant, antioxidation, corrosion inhibition, and antiwear properties. It forms a durable lubricating film that safeguards the engine components.

Key Features:

  • Good high-temperature detergency
  • Low-temperature dispersancy
  • Antioxidation and corrosion inhibition
  • Antiwear properties
  • Compatibility with Group II, Group III, and synthetic oils

Recommended Dosage (WT%):

  • For CI-4, CH-4/SL performance levels: 12.0% in multi-grade oils, mono-grade not specified.
  • For CF-4/SL performance level: 7.5%
  • For CF-4/SJ performance level: 6.0% in mono-grade oils, 6.2% in multi-grade oils.
  • For CD/SF performance level: Not specified.

Here are some typical characteristics of CHEMPOL 8013:


  • Brownish red, clear liquid
  • Density at 20°C: 950-1050 kg/m³
  • Flashpoint (COC): ≥180°C
  • Kinematic viscosity at 100°C: 105-150 mm²/s
  • Phosphorus content: ≥0.95% by weight
  • Zinc content: 1.03% by weight
  • Calcium content: ≥3.0% by weight
  • Total Base Number (TBN): ≥110 mg KOH/g

CHEMPOL 7182 Diesel & Gasoline Engine Oil Additive

CHEMPOL 7182 is an affordable additive designed for diesel engine oils to meet specific market requirements. It can be used to formulate API CF-4/SJ performance oils, which provide satisfactory performance in various applications.

Recommended Dosage (WT%):

The recommended dosage for CHEMPOL 7182 additive is 9.0% by weight.

Compatible Performance Levels:

  • API CF-4

Here are some typical characteristics of CHEMPOL 7182:


  • Amber oily liquid
  • Specific gravity at 15.6°C: 0.990 g/ml
  • Flash Point (COC): ≥180°C
  • Viscosity at 100°C: 137 cSt
  • Calcium content: 2.90% by weight
  • Zinc content: 1.33% by weight
  • Phosphorus content: 1.20% by weight
  • Total Base Number (TBN): 92 mg KOH/g

CHEMPOL 7998A Diesel & Gasoline Engine Oil Additive

CHEMPOL 7998A is a heavy-duty diesel additive package specifically designed for blending oils that meet API CD, CF/SF specifications with a Total Base Number (TBN) exceeding 8 mg KOH/g. It provides enhanced performance and protection for heavy-duty diesel engines.

Recommended Dosage (WT%):

  • Multi-grade oils meeting API CD, API CF: 4.4%
  • Mono-grade oils meeting API CD, API CF: 4.2%
  • Multi-grade oils meeting API CF/SF: 4.5%
  • Mono-grade oils meeting API CF/SF: 4.5%
  • Mono-grade oils meeting API CC/SC: 1.20%

Here are some typical characteristics of CHEMPOL 7998A:

  • Density at 15.6°C: 1.0 g/ml
  • Flash Point (COC): ≥180°C
  • Total Base Number (TBN): 190 mg KOH/g
  • Viscosity at 100°C: 60-85 cSt
  • Calcium content: 7.24% by weight
  • Zinc content: 2.50% by weight
  • Phosphorus content: 2.03% by weight

CHEMPOL 7601 Tractor Oil Additive

CHEMPOL 7601 is an additive specifically developed for the formulation of Special Tractor Oil Universal (STOU) that meets the requirements of all tractors. It offers various features and can be used to create both high-performance and economical STOU formulations.

Recommended Dosage (WT%):

  • To meet all the latest tractor requirements: 13.0% by weight of CHEMPOL 7601 additive.
  • For an economic STOU meeting basic market needs: 11.5% by weight of CHEMPOL 7601 additive.

Features of CHEMPOL 7601:

  • Wear and friction control suitable for all transmissions, including power shift transmissions covered by Ford 134-D.
  • Diesel engine performance meeting or exceeding API CF-4 standards.
  • Gear protection for hypoid axles.

Here are some typical characteristics of CHEMPOL 7601:

  • Density at 15.6°C: 0.98 g/ml
  • Flash Point (COC): ≥180°C
  • Total Base Number (TBN): 85 mg KOH/g
  • Viscosity at 100°C: 78 cSt
  • Calcium content: 2.74% by weight
  • Zinc content: 1.10% by weight
  • Phosphorus content: 1.12% by weight

CHEMPOL 10000 HDEO Additive Package

CHEMPOL 10000 is a specially formulated additive based on truck owner-drivers, operators, and mechanics’ feedback in emerging markets. It is designed to meet the key performance requirements with low and flexible treatment rates.

Recommended Dosage:

  • API CH-4/CI-4 grade (Mono/Multi): 9.5% by mass
  • API CF-4 (Multi): 7.1% by mass

CHEMPOL 10000 demonstrates a performance reserve, providing superior protection against engine wear and maintaining engine power. It also offers excellent control over deposits, ensuring sustained power over longer oil drain intervals.

Here are some typical characteristics of CHEMPOL 10000:


  • Dark brown, slightly hazy liquid
  • Density at 15°C: 1.013 g/ml
  • Viscosity at 100°C: 160 mm2/s
  • Flash Point (PMCC): 135°C
  • Total Base Number (TBN): 112 mg KOH/g
  • Calcium content: 3.36% by weight
  • Zinc content: 1.36% by weight
  • Phosphorus content: 1.47% by weight
  • Boron content: 0.08% by weight
  • Molybdenum content: 0.03% by weight

Useful Tips, Tricks, And Hacks To Use The Additives

To help you get the most out of your diesel engine oils and lubricants, additives are included in it. But these need careful consideration to use them according to the needs and preferences. Here are some useful tricks, tips, and hacks.

  1. Regular maintenance is necessary. Along with using the additives, ensure that you follow the OEM recommendations of using the lubricants for specific engines.
  2. Proper mixing is necessary. Always follow the instructions provided with the additives to get the correct mixing ratio for the best performance.
  3. Use high-quality manufactured diesel engines to complement the benefits of the additives and maximize engine performance.
  4. Store your additives cool and dry to maximize their life span and maintain their effectiveness.
  5. Consult additive manufacturers Chempol if you have any questions or concerns about using additives. Reach out to get expert advice or for your lubricant raw material.

Diesel engine oil additives offer a multitude of benefits, from improved lubrication and engine cleanliness to enhanced wear protection and fuel efficiency. By choosing the right additive and following the recommended guidelines, you can optimize the performance and longevity of your diesel engine. Explore the diverse range of additives available in the Diesel Engine Oil Additives category, consider customer reviews and testimonials, and utilize the informative guides to make informed decisions. With the right diesel engine oil additive, you can keep your engine running smoothly and efficiently for years to come.

CHEMPOL the Leading Manufacturer of Diesel Engine Oil Additives

Diesel engine oil additives, fuel success and protect your investment. Let them be your partner within your engine, and watch your diesel engine oil conquer every challenge with unstoppable performance and enduring resilience.

What are Diesel Engine Oil Additives?

Diesel engine oil additives are chemical formulations added to diesel engine oils to enhance their performance. These additives offer various benefits, including improved lubrication, reduced friction, enhanced fuel efficiency, and increased protection against wear and corrosion. They play a vital role in optimizing the overall performance and longevity of diesel engines.



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