10 Best Oil For High Mileage Diesel Engine (2024 Update)

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As a car owner, you already know that regular oil changes are crucial to the longevity of your vehicle. However, if you own a high mileage diesel engine, you may be wondering what type of oil is best for your engine. You need to choose the right oil to ensure your engine stays healthy and performs well. Here are five key points to consider when looking for oil for a high mileage diesel engine.

1. Viscosity: Diesel engines require oil with a higher viscosity than gasoline engines. Therefore, you should look for oil with a viscosity rating that matches your engine's specifications.

2. Additives: Look for oil with additives that protect against wear and tear, deposit build-up, and corrosion. These additives can help extend the life of your engine.

3. Brand reputation: Choose a reputable brand that has been in business for a long time and has a good reputation for producing high-quality oils.

4. Synthetic vs. conventional: Synthetic oils are typically more expensive than conventional oils, but they offer better protection and last longer. However, if your engine has been using conventional oil for a long time, switching to synthetic oil may cause leaks.

5. Compatibility: Make sure the oil you choose is compatible with your engine's components. Some oils may not be suitable for certain types of engines or may cause damage to specific components.

Overall, choosing the right oil for your high mileage diesel engine is crucial to its performance and longevity. Take the time to research and choose the best oil for your engine to ensure it stays healthy for many years to come.

10 Best Oil For High Mileage Diesel Engine

1. Tulux T500 15w40 Classic Diesel Engine Oil – 275 Gallon Ibc Tote (1)

The Tulux T500 15W40 Classic Diesel Engine Oil is a high-performance lubricant designed to meet the needs of a wide range of diesel engines. It is formulated with hydrocracked high viscosity index base oils and advanced multifunctional additive technology to deliver superior performance and protection. This oil is suitable for pre EPA 2007 diesel engines, where excellent soot control is required, and can be used in engines with or without EGR systems.

This engine oil is API CI-4, SM, ACEA E7-08, DH-1, Caterpillar ECF-1a Cummins CES 20078/20077/20076, Volvo VDS-3/VDS-4, Man 3275, MB 228.3, Renault RLD-3, Mack EO-M Plus, MTU Type 2 certified, ensuring that it meets the highest industry standards for performance and quality.

The Tulux T500 15W40 Classic Diesel Engine Oil is available in a 275 Gallon Tote (1000L Volume) size. However, it is important to note that this item does NOT ship to residential, home business, or farm addresses. Prior to purchasing, customers are advised to scroll down and confirm shipping details.

This engine oil is ideal for use in diesel engines that require exceptional protection against wear, deposit formation, and oxidation. It delivers excellent performance in heavy-duty diesel engines used in construction, agriculture, mining, and other demanding applications.

Overall, the Tulux T500 15W40 Classic Diesel Engine Oil is a reliable and high-quality lubricant that offers superior protection and performance for diesel engines. Its advanced formula and certifications make it an excellent choice for those who demand the best from their engines.

2. Duromax Xp18hpe 440cc Gas Engine With Recoil/electric Start And 50 State Approval In Blue.

The DuroMax XP18HPE is a powerful and versatile gas-powered engine that is designed to handle a wide range of tasks with ease. With a 440cc D 4-stroke overhead valve design, this engine features an E-Z pull recoil start that makes it easy to get started and running smoothly.

The shaft of the engine is 1 inch in diameter and 2-3/4 inches long, with the end being 3/8 inch in size 24 UNF – drilled and tapped. This makes it easy to attach a wide range of tools and equipment to the engine, allowing you to use it for a variety of different tasks.

One of the key features of the DuroMax XP18HPE is its 1.7-gallon fuel tank, which can run for over 3 hours on a single tank of fuel at half load. This means that you can use the engine for extended periods of time without having to worry about refueling, making it ideal for use in a variety of different settings.

In addition, the DuroMax XP18HPE is EPA approved for safe use in mandated areas, making it a reliable and safe choice for a wide range of applications. Whether you need a powerful engine for work or play, the DuroMax XP18HPE is up to the task.

Overall, the DuroMax XP18HPE is a reliable and versatile engine that is designed to handle everything you can throw at it. With its powerful 440cc engine, easy-to-use recoil start, and long-lasting fuel tank, it is a great choice for anyone in need of a reliable and powerful engine for a wide range of tasks.

3. Rotella 550019918 T Triple Protection 15w-40 Heavy Duty Engine Oil – 1 55 Gallon Drum

Rotella 550019918 T Triple Protection 15W-40 Heavy Duty Engine Oil is a high-quality lubricant that provides exceptional protection for heavy-duty engines. It is formulated with a low-ash composition that safeguards the exhaust catalysts and particulate filters found in modern low-emission vehicles. This makes it an ideal choice for virtually all heavy-duty engines, including those that require low-emission oils.

The Energized Protection of Shell Rotella heavy-duty diesel engine oils provides optimal protection in three critical areas: Acid control, deposit control, and wear control. This unique formulation is designed to meet or exceed API CJ-4 requirements, providing the extra performance that heavy-duty engines require. Rotella T Triple Protection performs well in both older and newer engines, making it a versatile choice for a range of heavy-duty applications.

The performance benefits of the unique combination of dispersants and detergents, boosted by the use of the dual-function additive component, are seen in enhanced engine cleanliness and viscosity control compared to previous generation oils. This means that Rotella T Triple Protection can help keep engines clean and running smoothly, reducing the risk of engine damage and wear over time.

Overall, Rotella 550019918 T Triple Protection 15W-40 Heavy Duty Engine Oil is an excellent choice for those seeking a high-quality lubricant for their heavy-duty engines. Its low-ash composition, Energized Protection formula, and enhanced performance benefits make it a top choice for those in the heavy-duty industry. Whether you have an older engine or a modern low-emission vehicle, Rotella T Triple Protection is sure to provide the protection and performance you need.

4. Bar's Leaks Oil Seal Engine Oil Burning And Leak Repair

Bar's Leaks Oil Seal Engine Oil Burning and Leak Repair is a premium quality synthetic blend that has been designed to work with all types of engine oil, including regular petroleum, high mileage, synthetic blends, and fully synthetic formulas. This product effectively works in all gasoline and diesel engines, including turbocharged, eco boost, hybrid, and even racing engines, which includes 3, 4, 5, 6, 8, and 10 cylinder engines in all cars, trucks, vans, and SUVs.

Not only does Bar's Leaks Oil Seal Engine Oil Burning and Leak Repair work effectively in standard vehicles, but it can also be used in heavy-duty applications such as tractors, boats, RVs, motorcycles (including wet clutch), and lawn equipment. This product is versatile enough to be used in various types of engines, making it a useful addition to any vehicle maintenance routine.

When using Bar's Leaks Oil Seal Engine Oil Burning and Leak Repair, most oil leak issues can be resolved with a single dosage. However, for optimal results and to prevent issues from reoccurring, it is recommended to use this product with every other oil change or at least once per year. This ensures the engine is continuously protected and maintained, preventing further oil leaks or engine issues.

Bar's Leaks Oil Seal Engine Oil Burning and Leak Repair is a reliable and convenient solution for those who want to save time and money on costly engine repairs. This product can quickly and effectively seal leaks, reduce oil consumption, and improve engine performance, all while extending the life of the engine. It is easy to use, simply add it to your engine oil, and it starts working immediately to repair leaks and improve engine function.

Overall, Bar's Leaks Oil Seal Engine Oil Burning and Leak Repair is a high-quality product that provides an affordable and practical solution for engine oil leaks and burning issues. With its versatility and effectiveness, it is a must-have for anyone who wants to keep their engine running smoothly and efficiently.

5. Liqui Moly 2044 Touring High Tech Diesel Specialoil 15w-40 Motor Oil – 5 Liter

Liqui Moly 2044 Touring High Tech Diesel Specialoil 15W-40 Motor Oil is a mineral-based all-season lubricant that is specially formulated for high mileage diesel vehicles without diesel particulate filters (DPF). This motor oil is designed to provide a stable lubricating film even under extreme operating conditions that can cause wear and tear on the engine.

The Liqui Moly 2044 Touring High Tech Diesel Specialoil offers proven wear protection technology, which ensures the engine stays clean and running smoothly. The oil is designed to work in all weather conditions, making it perfect for drivers who want to maintain their diesel engines' performance throughout the year.

The mineral-based formula of the Liqui Moly 2044 Touring High Tech Diesel Specialoil 15W-40 Motor Oil provides excellent protection against corrosion and oxidation, which are two of the main causes of engine wear. This oil also contains additives that help reduce engine deposits, which can improve fuel efficiency and reduce emissions.

The Liqui Moly 2044 Touring High Tech Diesel Specialoil can be used in a wide range of diesel engines, including those found in cars, trucks, buses, and other heavy-duty vehicles. This motor oil is particularly suitable for older diesel engines that do not have diesel particulate filters (DPF), which can become clogged over time and reduce engine performance.

Overall, the Liqui Moly 2044 Touring High Tech Diesel Specialoil 15W-40 Motor Oil is an excellent choice for drivers who want a reliable, high-quality motor oil that can help maintain the performance and longevity of their diesel engines. With its excellent wear protection technology, stable lubricating film, and all-season formula, this motor oil is sure to keep your engine running smoothly and efficiently for years to come.

6. Shell Rotella T6 Full Synthetic 5w-40 Diesel Engine Oil (1-Gallon, Single Pack)

The Shell Rotella T6 Full Synthetic 5W-40 Diesel Engine Oil is a high-quality lubricant designed to provide superior protection and performance for a variety of heavy-duty diesel engines. This oil features Triple Protection Plus technology, which offers outstanding protection against wear, deposits, and oil breakdown, while also improving low-temperature flow.

With exceptional wear protection, this engine oil is ideal for use in a wide range of heavy-duty engine applications, from pickup trucks to tractors to semi rigs. It is specially formulated to provide longer life and better performance for diesel engines operating in harsh conditions, such as high temperatures, heavy loads, and dusty environments.

One of the key benefits of this synthetic engine oil is its enhanced fuel economy capability, which can result in a 1.5 percent fuel savings compared to 15W-40 oils. This improved fuel efficiency does not compromise engine protection or durability, making it an excellent choice for fleet managers and truck owners looking to save on fuel costs without sacrificing performance.

The Shell Rotella T6 Full Synthetic 5W-40 Diesel Engine Oil also features multi-functional dispersant additives that provide an enhanced level of protection against the effects of soot, dirt, and other contaminants. This advanced formulation helps to keep engines clean and running smoothly, even in the toughest operating conditions.

In addition, this engine oil has increased shear stability, which means it maintains its viscosity better over time, providing optimal engine oil pressure and better overall performance. It also has excellent cold-cranking properties and low-temperature pumpability, allowing it to reach critical engine parts quickly and efficiently.

This engine oil comes in a single 1-gallon bottle with an ergonomic design that makes it easy to handle and pour. It also features an advanced low ash formulation that helps protect the exhaust catalysts and particulate filters found on the latest low-emission vehicles.

Overall, the Shell Rotella T6 Full Synthetic 5W-40 Diesel Engine Oil is a top-quality lubricant that delivers exceptional performance and protection for heavy-duty diesel engines. Its advanced formulation and innovative technology make it an excellent choice for anyone looking to extend engine life, improve fuel economy, and keep their diesel engine running smoothly.

7. Truegard High Mileage 5w-30 Motor Oil 55-Gallon Drum

TRUEGARD High Mileage 5W-30 Motor Oil 55-Gallon Drum is a premium quality lubricant designed to meet or exceed North American warranty requirements for gasoline and gasoline turbo-charged engines in U.S., European, and Japanese cars and light trucks. It is formulated with advanced additives that provide superior protection for high-mileage engines, reduce oil consumption, and help prevent leaks.

This motor oil is specially designed to provide exceptional protection for engines with over 75,000 miles. It contains a Seal Conditioner that helps prevent leaks by revitalizing engine seals and gaskets. This feature is especially important for high-mileage engines that are prone to oil leaks due to wear and tear.

The TRUEGARD High Mileage 5W-30 Motor Oil 55-Gallon Drum also contains advanced detergents that help keep engines clean by preventing the buildup of sludge and other deposits. This feature is particularly important for high-mileage engines that are more prone to oil sludge due to accumulated wear and tear.

This motor oil is designed to meet or exceed API SN, SM, SL, SJ, and other specifications for gasoline and gasoline turbo-charged engines. It provides excellent protection against engine wear and tear, which can lead to increased engine life and improved overall performance.

The TRUEGARD High Mileage 5W-30 Motor Oil 55-Gallon Drum is also designed to help reduce oil consumption. This feature is important for high-mileage engines that tend to burn more oil due to accumulated wear and tear. The advanced formula of this motor oil helps reduce oil consumption by minimizing oil evaporation and reducing oil loss due to leaks.

In summary, TRUEGARD High Mileage 5W-30 Motor Oil 55-Gallon Drum is a premium quality lubricant designed to provide exceptional protection for high-mileage engines. It contains advanced additives that help prevent leaks, reduce oil consumption, and keep engines clean. This motor oil meets or exceeds API SN, SM, SL, SJ, and other specifications for gasoline and gasoline turbo-charged engines, making it a reliable choice for automotive professionals and DIY enthusiasts alike.

8. Archoil Ar9100 16oz Oil Additive For All Vehicles – Improves Cold Starts And Eliminates Injector Issues In Powerstroke Engines.

Archoil AR9100 Oil Additive is a high-performance lubricant designed to enhance the performance of all types of engines, gearboxes, hydraulics, differentials, and power steering systems. This 16oz bottle of AR9100 Friction Modifier treats one Power Stroke engine and offers exceptional benefits to users.

One of the most significant advantages of using this additive is its ability to eliminate injector problems in Power Stroke engines. The product is specifically formulated to address cold start injector problems in 6.0L and 7.3L Power Stroke engines, making it an excellent choice for diesel engine owners who frequently encounter such issues.

Additionally, Archoil AR9100 Oil Additive is designed to reduce wear and extend the life of engine components. The product's unique formula creates a protective layer on metal surfaces, which reduces friction and prevents metal-to-metal contact, thereby minimizing wear and tear. This protective layer also helps to reduce engine noise, vibration, and heat, providing a smoother and quieter driving experience.

The AR9100 Friction Modifier is suitable for use in all types of diesel and gasoline engines, gearboxes, hydraulics, differentials, and power steering systems. The product can be used in both new and old engines, and it is particularly useful in high-mileage engines that may be experiencing wear and tear.

To use Archoil AR9100 Oil Additive, simply add the recommended amount to your engine oil or other system fluid. The product is easy to use and does not require any special tools or equipment. It can be used in conjunction with other additives and lubricants, and it is compatible with all types of conventional and synthetic oils.

In conclusion, Archoil AR9100 Oil Additive is an excellent choice for anyone looking to improve the performance and longevity of their engine, gearbox, hydraulic system, differential, or power steering system. With its ability to eliminate injector problems in Power Stroke engines, reduce wear and extend component life, and reduce engine noise, vibration, and heat, this product is a must-have for diesel and gasoline engine owners.

9. High-Capacity Aluminum Oil Pan For 2011-2016 Chevy/gmc 6.6l Lml Duramax Diesel In Black (114052120)

The PPE High-Capacity Aluminum Deep Engine Oil Pan is a premium aftermarket upgrade for 2011-2016 Chevy/GMC 6.6L LML Duramax Diesel engines. This high-quality oil pan is designed to solve the oil drainage problem that is commonly associated with the GM pan, making it an essential accessory for any diesel engine owner.

One of the key features of the PPE High-Capacity Aluminum Deep Engine Oil Pan is its flat bottom design. This innovative design ensures that oil drainage is smooth and efficient, reducing the risk of oil pooling and other related issues. Additionally, this oil pan boasts an impressive one quart additional oil capacity, providing extra protection for your engine.

The PPE High-Capacity Aluminum Deep Engine Oil Pan is crafted from cast, high-grade aluminum alloy. This material is known for its superior heat dissipation properties, which helps to keep your engine running cool and efficiently. Furthermore, the use of aluminum alloy also helps to reduce engine noise, providing a quieter driving experience.

Another standout feature of this oil pan is its neodymium magnet-equipped, hardened billet stainless steel drain plug. This plug is designed to attract and trap metal particles that may be present in your engine oil, helping to prevent damage to your engine. The plug is also easy to remove and install, making oil changes a breeze.

The PPE High-Capacity Aluminum Deep Engine Oil Pan also features an unshrouded oil pickup, which ensures that oil is drawn up from the pan more efficiently. This helps to improve engine performance and prolong the life of your engine. Additionally, this oil pan comes with a lifetime warranty, providing peace of mind and assurance that you are investing in a quality product.

Overall, the PPE High-Capacity Aluminum Deep Engine Oil Pan is a must-have accessory for any diesel engine owner. Its innovative design, superior materials, and advanced features make it a reliable and effective solution for improving engine performance and protecting your investment.

Best Oil For High Mileage Diesel Engine FAQs

Can using the wrong type of oil damage a high mileage diesel engine?

Yes, using the wrong type of oil can potentially damage a high mileage diesel engine. High mileage engines have usually experienced wear and tear over the years, and therefore require an oil that can provide the necessary protection and lubrication. Using the wrong type of oil can result in inadequate lubrication, increased engine wear, and possibly even engine failure. It is important to use the oil recommended by the manufacturer or a suitable alternative that meets the required specifications. It is also important to consider the viscosity of the oil and the temperature range in which it will be used. Regular oil changes and using the correct oil can help prolong the life of a high mileage diesel engine.

How often should I change the oil in my high mileage diesel engine?

As a professional, I would recommend changing the oil in a high mileage diesel engine every 5,000 to 7,500 miles. However, this can vary depending on the specific make and model of the vehicle, as well as the conditions it is driven in. It is important to follow the manufacturer's recommended oil change intervals and to use high-quality oil and filters. Regular oil changes are essential for keeping the engine running smoothly and preventing costly repairs. In addition to regular oil changes, it is also important to perform other maintenance tasks such as replacing air filters, checking fluid levels, and inspecting belts and hoses. By following a regular maintenance schedule, you can help prolong the life of your high mileage diesel engine and ensure that it continues to perform at its best.

What additives should I look for in high mileage diesel engine oil?

As diesel engines age and accumulate higher mileage, they tend to suffer from increased wear and tear. To keep them running smoothly, high mileage diesel engine oils are formulated with specific additives to address these issues. The following additives should be present in high mileage diesel engine oil:

1. Anti-wear agents: These additives help protect engine parts from wear and tear by reducing friction between metal surfaces.

2. Seal conditioners: As engines age, seals and gaskets can become brittle and leak oil. Seal conditioners help maintain seal flexibility and prevent leaks.

3. Detergents: Diesel engine oils with detergents help keep the engine clean by preventing the buildup of sludge and other deposits.

4. Anti-oxidants: These additives help prevent the breakdown of oil over time and protect the engine from corrosion.

5. Friction modifiers: Friction modifiers reduce the amount of energy required to move engine parts, which can help improve fuel efficiency and reduce wear and tear.

When choosing a high mileage diesel engine oil, look for products that contain these additives to ensure maximum protection for your engine.

What are the benefits of using high mileage diesel engine oil?

High mileage diesel engine oil can offer several benefits to diesel engine owners, including:

1. Enhanced Engine Protection: High mileage diesel engine oils contain additives that help protect older engines from wear and tear. These additives create a protective layer on engine components, reducing friction and preventing damage.

2. Reduced Oil Consumption: High mileage diesel engine oils are formulated with a higher viscosity to reduce oil consumption in older engines that tend to burn oil.

3. Improved Fuel Economy: The higher viscosity of high mileage diesel engine oils can also help improve fuel economy by reducing engine friction and improving engine efficiency.

4. Longer Engine Life: By providing better engine protection and reducing wear and tear, high mileage diesel engine oils can help extend the life of older engines.

Overall, using high mileage diesel engine oil can help diesel engine owners save money on repairs, improve engine performance, and extend the life of their engines.

What are the best types of oil for high mileage diesel engines?

The best types of oil for high mileage diesel engines are those that are specifically formulated for such engines. These oils have additives that help to reduce wear and tear on engine components, improve fuel economy, and increase the engine's overall performance. Synthetic oils are also a good choice for high mileage diesel engines as they provide better protection against engine wear and tear, especially in extreme temperatures. Additionally, oils that meet the API CK-4 or CJ-4 specification are recommended for use in high mileage diesel engines, as they provide superior protection against engine wear and tear, and also help to prevent deposits and sludge buildup. It is important to consult the owner's manual or a qualified mechanic to determine the best type of oil for a specific high mileage diesel engine.

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