5 Best oil for 6.7 Cummins

Before you decide what oil might work best for your 6.7 Cummins engine, you must first understand how to pick a good quality oil for your vehicle. 

For picking an oil that ensures proper lubrication of your 6.7 Cummins engines and protection against wear and tear, you need to select an oil by keeping a few things in mind. 

Here is the list of those criteria you must follow:

  1. Where and in which environment do you live? Do you live in a hot or cold climate?   
  2. Which viscosity grade does your climate require for the 6.7 Cummins engine? 
  3. Does it meet standards such as API and ACEA?

Best oil for 6.7 Cummins

This guide on the best oils for 6.7 Cummins will review oils that work great for keeping your 6.7 Cummins engine up and running regardless of the climate you live in and meets the API and ACEA standards with correct viscosity grade.  

1. Valvoline Premium Blue Extreme SAE 5W-40

Cummins itself recommends Valvoline Premium Blue Extreme SAE 5W-40, so you can be sure of its performance for your 6.7 Cummins engine.

But is it that effective? Absolutely! 

Valvoline Premium Blue Extreme SAE 5W-40 oil is a high-performance motor oil designed for extreme conditions. This oil is perfect for high-performance vehicles and well suited to be used in both hot and cold weather. 

More importantly, If you are looking for an oil that can provide better fuel economy, the Valvoline Blue Extreme SAE 5W-40 engine can deliver 1.5 times more fuel economy than any regular engine oil. In addition, this motor oil can last up to 10000 to 15,000 miles between changes, making it an excellent choice for drivers who want to save time and money.

Lastly, Valvoline Blue Extreme SAE 5W-40 oil is also perfect for vehicles used for towing or hauling as it is especially used in cars driven in off-road conditions.

2. Shell Rotella T6 Full Synthetic 5W-40 Diesel Engine Oil

Fuel economy, protection and durability- are the three pillars of superior motor oil performance. And Shell Rotella T6 Full Synthetic 5W-40 Diesel Engine Oil raises the bar in each category. 

This premium motor oil protects against wear and tear, helping your 6.7 Cummins diesel engine run like new for longer. It also protects against deposits, sludge and corrosion and is compatible with after-treatment devices such as diesel particulate filters (DPFs). 

What’s more, Shell Rotella T6 Full Synthetic 5W-40 Diesel Engine Oil has delivered excellent fuel economy performance compared to a 15W-40 conventional diesel engine oil. So you don’t even need to worry about changing the oil for your 6.7 Cummins engines before 15000 miles. With fuel prices constantly rising, this type of performance can save you money at the pump over time. 

3. Cummins 3265336 Onan SAE 15W-40 oil 

It is no secret that many truck owners are looking to improve performance and mileage. A popular way to do this is to use oil from Cummins itself, such as Cummins 3265336 Onan SAE 15W-40. 

If you’re looking for top-notch oil performance for your 6.7 Cummins engine, Cummins 3265336 Onan SAE 15W-40 is a synthetic motor oil designed for high mileage trucks. Many doge ram owners have reported seeing significant gains in performance and mileage after switching to this oil.

Another benefit of this oil is that it can help to improve fuel economy. The oil is designed to reduce friction and improve engine efficiency. This can lead to better fuel economy. 

Cummins 3265336 Onan SAE 15W-40 provides unbeatable performance in all weather and operating conditions. Whether you’re using your car in hot or cold temperatures, this oil will keep your engine running at its peak and provide superior protection against wear and tear.

4. Mobil 1 Turbo Diesel Truck Full Synthetic Motor Oil 5W-40

If you’re looking for motor oil that can handle the toughest conditions and help your truck perform at its best, then you need Mobil 1 Turbo Diesel Truck Full Synthetic Motor Oil 5W-40. This oil is specially formulated to meet the demanding needs of today’s diesel trucks such as Cummins 6.7 engines, and it can help improve your mileage too.

When it comes to performance, Mobil 1 Turbo Diesel Truck Full Synthetic Motor Oil 5W-40 is designed to provide outstanding protection and cleaning power, even under the most extreme conditions. So whether you’re hauling a heavy load or working in hot weather, this oil can help keep your engine clean and running smoothly.

And if you’re looking to save money on fuel, Mobil 1 Turbo Diesel Truck Full Synthetic Motor Oil 5W-40 can help. Thanks to its advanced synthetic technology, this oil can help improve your truck’s fuel efficiency by up to 20%, and you can go past 20000 miles without any hiccups.

5. Blau J1A9553-A Motor Oil Change Kit 

Blau J1A9553-A Motor Oil Change Kit kit is designed to change the motor oil for 6.7 Cummins vehicles such as 2007-17 Ram and a high-performance oil from RAVENOL. 

The filter in this kit is a high-quality filter that will effectively trap 99% contaminants and help keep your 6.7 Cummins engine clean and running smoothly for a long time. In addition, the drain pan in this kit is specially designed to make oil changes easy.

Most importantly, Blau J1A9553-A Motor Oil Change Kit comes with Ravenol Standard Viscosity Performance Oil SAE 15W-40, which has excellent thermal and oxidative stability. This high-performance oil is designed to protect your engine for over 100000 kilometers! So with this kit and oil from Revnol, you can be tension free over any oil change for at least a year to come! 

You may also like- Best Oil Filter For 6.7 Cummins

FAQs

How often should you change the oil in a 6.7 Cummins?

Over time, the oil in your engine will become contaminated with debris and grime, which can clog up your engine and decrease its performance. By changing your oil regularly, you can help to keep your engine clean and running at its best. So, how often you should change the oil. While the answer may vary depending on who you ask, we recommend changing your oil every 3700 to 6,000 miles depending on your engine oil.

What kind of oil does a 2021 Cummins 6.7 take?

You should use 5W-40 synthetic engine oil for your Cummins 6.7 for better protection against wear and better mileage.

Why does Cummins recommend Valvoline?

Valvoline Premium Blue Extreme is formulated with a unique blend of high-quality synthetic base oils and additives that make it ideal for high-performance engines such as 6.7 Cummins. That is why Cummins itself recommends Valvoline. 

Final verdict

Overall, if you want a better mileage and cut the trips to pumps, you should pick the Valvoline Premium Blue Extreme SAE 5W-40 or Shell Rotella T6 Full Synthetic 5W-40 Diesel Engine Oil. Both provide excellent mileage and protect the engine against cold start, keeping your 6.7 Cummins diesel engine at its peak condition for a long time to come.  

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