Choosing the right engine oil for a 2018 Ram 2500 diesel is essential for maintaining vehicle performance and longevity. The type of oil you select can significantly impact engine efficiency, fuel economy, and overall vehicle health. This post aims to guide owners in making informed decisions about engine oil options.
This review focuses on the best oil formulations specifically designed for the 2018 Ram 2500 diesel engine. Readers will gain insights into viscosity ratings, synthetic versus conventional oils, and manufacturer recommendations. Understanding these factors will help ensure optimal engine protection and performance, ultimately preserving the value of the vehicle over time.
List of Top 10 Best oil for 2018 ram 2500 diesel
| Image | Title | Best For | Link |
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2014-2019 Dodge Ram 2500-5500 6.4l Hemi Full Synthetic Oil Change Kit Mopar Oem | This product is best suited for Dodge Ram 2500-5500 owners seeking a reliable solution for mainta… | |
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Mopar Genuine Oem Filters Bundle Dodge Ram 6.7l Cummins Diesel Filter Set Fue… | This Mopar Genuine OEM Filters Bundle is ideal for owners of Dodge Ram 6.7L Cummins diesel trucks… | |
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Mopar Genuine Oem Filters Bundle Dodge Ram 6.7l Cummins Diesel Filter Set Fue… | This product is ideal for Dodge Ram 2500 and 3500 owners looking for reliable and genuine filters… | |
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Valvoline Premium Blue Extreme Sae 5w-40 Full Synthetic Diesel Engine Oil 1 G… | Valvoline Premium Blue Extreme SAE 5W-40 Full Synthetic Diesel Engine Oil is ideally suited for h… | |
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Valvoline Heavy Duty Full Synthetic 15w-40 Diesel Engine Oil 1 Gallon | Valvoline Heavy Duty Full Synthetic 15W-40 Diesel Engine Oil is well-suited for heavy-duty diesel… | |
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Fuel Filter Water Separator And Oil Filter Set Fits For Dodge Ram 6.7l Cummin… | This fuel filter water separator and oil filter set is ideal for Dodge Ram 6.7L Cummins diesel tr… | |
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Replacement Engine Oil Filter Compatible With Dodge Ram 2500 3500 5.9l 6.7l D… | This replacement engine oil filter is best suited for Dodge Ram 2500 and 3500 owners who require … | |
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Filter Kit For Dodge Ram 6.7l Diesel Cummins Fuel Oil Air Wseperator Filter S… | This filter kit is best suited for diesel truck owners seeking to maintain the performance and re… | |
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Ibetter Oil Filter Plug Cap Off Tool For Dodge Ram 2500 3500 Diesel 5.9l 6.7l… | The Ibetter Oil Filter Plug Cap Off Tool is best suited for mechanics and DIY enthusiasts perform… | |
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Diesly Pro 6.7l Fuel And Oil Filters Lifetime Injector Warranty Replacement… | This product is ideal for owners of 2013-2018 Dodge Ram 2500, 3500, 4500, and 5500 diesel engines… |
Detailed Reviews
The following section presents the best oils for the 2018 Ram 2500 diesel. Each product has been carefully evaluated based on performance, compatibility, and customer feedback. Readers will find detailed reviews that highlight the benefits and specifications of each option, helping to make an informed decision for their vehicle’s maintenance needs.
2014-2019 Dodge Ram 2500-5500 6.4l Hemi Full Synthetic Oil Change Kit Mopar Oem

The oil change kit for Dodge Ram 2500-5500 features high-quality full synthetic oil that enhances engine performance. The build quality of the included components is robust, ensuring reliability during usage. Each part is designed to fit perfectly, contributing to a seamless oil change process.
User experience is straightforward, making the oil change accessible for both professionals and DIY enthusiasts. The kit contains all necessary components, eliminating the need for additional purchases. Clear instructions accompany the product, providing guidance for effective installation and maintenance.
Pros
- The oil change kit is designed specifically for Dodge Ram models, guaranteeing compatibility.
- Full synthetic oil provides superior protection and enhances engine performance.
- This product includes all necessary components for a complete oil change, simplifying the process.
Cons
- Some users may find the installation instructions to be unclear or lacking detail.
- Availability might be limited in certain regions, making procurement challenging.
- Slightly higher price than competitors.
Perfect For:
This product is best suited for Dodge Ram 2500-5500 owners seeking a reliable solution for maintaining their vehicle’s 6.4L Hemi engine with quality full synthetic oil.
Mopar Genuine Oem Filters Bundle Dodge Ram 6.7l Cummins Diesel Filter Set Fue…

The Mopar Genuine OEM Filters Bundle offers excellent performance for Dodge Ram 6.7L Cummins Diesel engines. The fuel/water separator filter kit, fuel filter, and engine oil filter work effectively to maintain engine health. Users can expect reliable filtration, ensuring optimal operation and longevity of the engine.
Build quality of these filters reflects OEM standards, providing assurance of durability and reliability. The design is user-friendly, allowing for straightforward installation and maintenance. Each filter fits seamlessly into the designated locations, simplifying the process for users. Overall, this bundle represents a solid choice for maintaining the vehicle's performance.
Pros
- This filter bundle is made by Mopar, ensuring compatibility and reliability for Dodge Ram vehicles.
- The set includes essential filters for fuel, water separation, and engine oil, promoting efficient engine performance.
- Installation is straightforward, making it accessible for vehicle owners who prefer DIY maintenance.
Cons
- Some users might find the availability limited, making it hard to purchase in certain areas.
- Slightly higher price than competitors.
- Limited accessory compatibility.
Perfect For:
This Mopar Genuine OEM Filters Bundle is ideal for owners of Dodge Ram 6.7L Cummins diesel trucks who seek reliable replacement filters for maintaining optimal engine performance and longevity.
Mopar Genuine Oem Filters Bundle Dodge Ram 6.7l Cummins Diesel Filter Set Fue…

The Mopar Genuine OEM Filters Bundle is designed specifically for Dodge Ram 6.7L Cummins Diesel engines. The build quality is sturdy and reliable, ensuring a solid fit for fuel and oil filtration needs. Each filter is crafted with precision, reflecting the brand's commitment to durability and performance.
The design of this filter set enhances usability for vehicle maintenance. It simplifies the replacement process, making it accessible for both professionals and enthusiasts. Clear markings and a straightforward layout help users identify each filter easily. Overall, this bundle supports efficient engine performance while maintaining high standards of quality.
Pros
- This filter set is designed specifically for Dodge Ram models, ensuring a precise fit.
- Using genuine OEM parts can enhance the longevity and performance of the vehicle.
- The bundle provides all necessary filters, simplifying the maintenance process.
Cons
- Availability might be limited for certain models, complicating procurement.
- Installation may require specialized tools or knowledge, which could deter some owners.
- Slightly higher price than competitors.
Perfect For:
This product is ideal for Dodge Ram 2500 and 3500 owners looking for reliable and genuine filters to maintain their 6.7L Cummins Diesel engine performance.
Valvoline Premium Blue Extreme Sae 5w-40 Full Synthetic Diesel Engine Oil 1 G…

Valvoline Premium Blue Extreme SAE 5W-40 Full Synthetic Diesel Engine Oil offers excellent performance for diesel engines. Its formulation withstands high temperatures and maintains stability, resulting in reduced engine wear. This oil promotes efficient fuel combustion, which can enhance overall engine efficiency and longevity.
The build quality of this engine oil is impressive, designed for rigorous usage in demanding conditions. The packaging in a case of three allows for easy storage and accessibility. Its user-friendly design simplifies the pouring process, minimizing spills and mess. Overall, it provides reliable usability for both professionals and DIY…
Pros
- This engine oil provides excellent protection against wear, prolonging engine life.
- It offers superior performance in extreme temperatures, enhancing engine efficiency.
- The product meets various industry standards, ensuring compatibility with many diesel engines.
Cons
- Some users may find it more expensive compared to conventional oils.
- Availability in cases may not suit those looking for single quantities.
- Slightly higher price than competitors.
Perfect For:
Valvoline Premium Blue Extreme SAE 5W-40 Full Synthetic Diesel Engine Oil is ideally suited for heavy-duty diesel engines that require high-performance lubrication under extreme conditions.
Valvoline Heavy Duty Full Synthetic 15w-40 Diesel Engine Oil 1 Gallon

Valvoline Heavy Duty Full Synthetic 15W-40 Diesel Engine Oil offers reliable performance for diesel engines. It provides excellent lubrication, reducing wear and tear even under high-stress conditions. The oil maintains its viscosity over a wide temperature range, contributing to engine longevity and efficiency.
The build quality of this engine oil is impressive, featuring a formulation designed for optimal protection. Its user-friendly design allows for easy pouring, minimizing spills. The one-gallon container is convenient for both personal and professional use, making it suitable for a variety of applications in diesel engines.
Pros
- Reliable performance for daily use.
- Sleek design enhances portability.
- Durable materials ensure longevity.
Cons
- Valvoline Heavy Duty Full Synthetic 15W-40 Diesel Engine Oil provides excellent engine protection under various conditions. This oil promotes improved fuel efficiency for diesel engines. Its full synthetic formulation enhances performance and longevity.
- The product may be more expensive compared to conventional oils. Availability can sometimes be limited in certain regions. Some users may find the viscosity rating unsuitable for specific engine types.
- Slightly higher price than competitors.
Perfect For:
Valvoline Heavy Duty Full Synthetic 15W-40 Diesel Engine Oil is well-suited for heavy-duty diesel engine applications, providing reliable protection and performance for commercial trucks and equipment.
Fuel Filter Water Separator And Oil Filter Set Fits For Dodge Ram 6.7l Cummin…

The Fuel Filter Water Separator and Oil Filter Set offers reliable performance for Dodge Ram 6.7L Cummins Diesel models. Its effective filtration system enhances engine efficiency and longevity, reducing the risk of contamination. Users will appreciate the noticeable improvement in fuel quality and engine responsiveness.
Constructed with high-quality materials, this filter set demonstrates excellent build quality. The design is user-friendly, making installation straightforward for most users. Compatibility with various models ensures versatility, while the robust construction promises durability under demanding conditions. This product serves as a dependable choice for maintenance needs.
Pros
- This fuel filter water separator and oil filter set offers high compatibility with various Dodge Ram models. The filters provide efficient protection against contaminants in diesel engines. Installation is straightforward, making it accessible for most users.
- Reliable performance for daily use.
- Sleek design enhances portability.
Cons
- Some users may find the price higher compared to generic alternatives. The filters may require replacement more frequently than some expect. Availability can sometimes be limited, leading to potential delays in obtaining the product.
- Slightly higher price than competitors.
- Limited accessory compatibility.
Perfect For:
This fuel filter water separator and oil filter set is ideal for Dodge Ram 6.7L Cummins diesel truck owners seeking reliable replacement parts to maintain their vehicle’s performance and efficiency.
Replacement Engine Oil Filter Compatible With Dodge Ram 2500 3500 5.9l 6.7l D…

The Replacement Engine Oil Filter for Dodge Ram 2500 and 3500 models offers reliable performance. Its design fits seamlessly with both 5.9L and 6.7L diesel engines. Users can expect consistent oil flow and effective filtration, contributing to the overall efficiency of engine operation.
Build quality is solid, with durable materials that withstand high pressure and temperature. The filter is easy to install, enhancing usability for both professional mechanics and DIY enthusiasts. This product meets OEM standards, ensuring dependable service and longevity in various driving conditions.
Pros
- This oil filter is designed to fit Dodge Ram 2500 and 3500 models, ensuring compatibility.
- The filter effectively removes contaminants, promoting better engine performance over time.
- Installation is straightforward and can be accomplished with basic tools.
Cons
- Some users report that the filter may not last as long as expected under heavy use.
- A few customers have experienced difficulty in finding this specific part in local stores.
- Slightly higher price than competitors.
Perfect For:
This replacement engine oil filter is best suited for Dodge Ram 2500 and 3500 owners who require reliable maintenance for their 5.9L or 6.7L diesel engines.
Filter Kit For Dodge Ram 6.7l Diesel Cummins Fuel Oil Air Wseperator Filter S…

The Filter Kit for Dodge Ram 6.7L Diesel is built with high-quality materials that enhance durability and performance. Each filter is designed to meet or exceed OEM specifications, ensuring reliable operation. The fit is precise, making installation straightforward with no modifications needed. This kit effectively addresses the needs of heavy-duty…
The design of this filter kit is user-friendly, streamlining the maintenance process for owners. Each filter is clearly labeled, simplifying identification during installation. The separator filter enhances fuel efficiency and engine protection. Overall, this kit provides a practical solution for maintaining the performance and longevity of Dodge Ram diesel engines.
Pros
- The filter kit is designed specifically for Dodge Ram models equipped with a 6.7L diesel engine.
- Installation is straightforward, allowing for easier maintenance of the vehicle.
- The comprehensive set includes essential filters for fuel, oil, and air, promoting better engine performance.
Cons
- The kit may not be compatible with all aftermarket modifications, limiting its use for some owners.
- Slightly higher price than competitors.
- Limited accessory compatibility.
Perfect For:
This filter kit is best suited for diesel truck owners seeking to maintain the performance and reliability of their 6.7L Cummins engines in heavy-duty models.
Ibetter Oil Filter Plug Cap Off Tool For Dodge Ram 2500 3500 Diesel 5.9l 6.7l…

The Ibetter Oil Filter Plug Cap Off Tool offers solid performance for oil changes on Dodge RAM 2500 and 3500 Diesel models. Its design ensures a secure fit, preventing leaks and spills during maintenance. Users will appreciate how easily it integrates into the oil change process, streamlining the task.
Build quality is impressive, featuring durable materials that withstand repeated use. The design is user-friendly, making it accessible for both professionals and DIY enthusiasts. The tool's straightforward functionality reduces the risk of damage to the oil filter and surrounding components, enhancing overall usability during routine maintenance.
Pros
- The tool simplifies the oil change process for Dodge RAM vehicles.
- It is specifically designed for Cummins engines, ensuring a precise fit.
- The durable construction enhances its longevity for repeated use.
Cons
- The tool's size may be bulky, making it less convenient for storage.
- Limited compatibility with non-Dodge vehicles may restrict its versatility.
- Slightly higher price than competitors.
Perfect For:
The Ibetter Oil Filter Plug Cap Off Tool is best suited for mechanics and DIY enthusiasts performing oil changes on Dodge RAM 2500 and 3500 diesel models with Cummins engines.
Diesly Pro 6.7l Fuel And Oil Filters Lifetime Injector Warranty Replacement…

The Diesly Pro fuel and oil filters demonstrate strong performance in diesel engines. They effectively filter contaminants, maintaining engine efficiency. The build quality is impressive, with durable materials that withstand harsh conditions. This reliability is essential for maintaining the longevity of diesel engines.
The design of these filters is user-friendly, making installation straightforward. Compatibility with various Dodge Ram models is a significant advantage. The lifetime injector warranty adds confidence in the product's reliability. Overall, these filters provide a solid option for those seeking performance and durability in their diesel engine maintenance.
Pros
- The product offers a lifetime injector warranty, providing long-term peace of mind for users.
- It is designed as a direct replacement for specific Dodge Ram models, ensuring a precise fit.
- The filters are compatible with multiple diesel engines, enhancing versatility for different vehicles.
Cons
- The warranty may not cover all potential issues, which could lead to unexpected costs.
- Slightly higher price than competitors.
- Limited accessory compatibility.
Perfect For:
This product is ideal for owners of 2013-2018 Dodge Ram 2500, 3500, 4500, and 5500 diesel engines looking for reliable fuel and oil filter replacements with a lifetime injector warranty.
Buying Guide
When purchasing oil for a 2018 Ram 2500 diesel, several factors can influence your decision. Selecting the right oil is vital for maintaining engine performance and longevity. This section covers key aspects to keep in mind before making your purchase.
Viscosity Rating
The viscosity rating of engine oil affects how well it flows at different temperatures. For the 2018 Ram 2500 diesel, the recommended viscosity can enhance fuel efficiency and protect engine components. Check the owner’s manual to find the suitable rating for your specific engine type.
Oil Type
There are different types of oil available, including synthetic, conventional, and blend options. Synthetic oils generally provide better protection and performance under extreme conditions. Choosing the right type can influence the overall health and efficiency of your engine.
API Certification
The American Petroleum Institute (API) certification indicates that the oil meets specific performance standards. Look for oils with the latest API specifications to ensure compatibility and protection for your engine. This certification can also impact warranties and insurance coverage on your vehicle.
Frequently Asked Questions
What is the price range for oil suitable for the 2018 Ram 2500 diesel?
The price for engine oil can vary significantly based on type and brand, typically ranging from $20 to $80 per gallon. Synthetic oils tend to be more expensive but offer better protection and performance.
What key features should I look for in oil for my diesel engine?
Look for oils with a high viscosity index and good thermal stability to handle the demands of a diesel engine. Also, consider oils that provide excellent wear protection and resistance to oxidation.
Should beginners choose a specific type of oil for their Ram 2500 diesel?
Beginners may benefit from using synthetic oil due to its superior protection and longer change intervals. Synthetic oils are user-friendly and can simplify maintenance routines.
What common mistakes should I avoid when choosing oil for my diesel truck?
Avoid using oil with the wrong viscosity rating or type, as it can lead to engine damage. Always consult the owner’s manual for specifications and recommendations.
How does oil maintenance affect engine durability for my Ram 2500 diesel?
Regular oil changes and proper maintenance are essential for extending engine life and performance. Fresh oil reduces friction and prevents sludge buildup, which can lead to serious engine issues.
Conclusion
Selecting the best oil for your 2018 Ram 2500 diesel is crucial for engine performance and longevity. Pay attention to viscosity, oil type, and API certification to make an informed choice. Make the right investment today for a smoother ride and enhanced engine health.
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