The 4 Best Oils for 6.7 Powerstroke – Recommendations 2024

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Photo by Ford Motor Company / CC BY

Finding the right oil for a 6.7 Powerstroke engine is harder than it looks. The oil has to keep your engine running at full power (obviously) without the risk of scorching or evaporating from the extreme heat that Powerstroke engines create on a regular basis. More importantly, it has to give your Powerstroke that extra boost that lets you know you’ve chosen the perfect oil for it.

However, when you find the right oil for a 6.7 Powerstroke, you can stop worrying about overheating and heat-related engine damage. You’ll know that your engine is going to last through the long haul, complete with all of the high performance you’ve come to expect from a top-tier engine. So how do you find the right oil for your Powerstroke? Just check out our recommended list!

These are our reviews of the 4 best oils for 6.7 Powerstroke engines on the market:

Rotella T6 Synthetic Diesel Motor Oil 5W-40 CJ-4

The Rotella T6 synthetic diesel motor oil is a generic oil that’s great for any diesel-related equipment, including Powerstroke engines. This 6.7 Powerstroke oil is specifically formulated for you to get more performance from your engine. The synthetic makeup improves fuel economy by about 1.5%, and a whole suite of advanced oil additives keep your engine running at maximum capacity for as long as you need.

In addition, this Powerstroke oil is designed to protect your engine against dirt, soot, and other contaminants. It’s also made to resist extreme heat so that you never have to worry about viscosity loss or drops in oil pressure.

Altogether, this recommended 6.7 Powerstroke oil may be generic, but it still gives excellent performance and protection to your engine! It’s one of the best oils for Powerstrokes period.

Shell Rotella T6 Full Synthetic product video

Ford Genuine Fluid Motor Oil XO-15W40-5QSD SAE 15W-40

The Ford Genuine Fluid XO-15 super duty diesel motor oil is the best brand-specific engine oil you can find for a Powerstroke. This 6.7 Powerstroke oil comes directly from Ford itself, ensuring you get the perfect brand-related oil to go with your brand-related diesel engine. As a result, this is one of the only oils that you can find that satisfies the 6.7 Powerstroke warranty requirements direct from the Ford Motor Company.

This Powerstroke oil is designed to prevent soot buildup and sludge. Even in vehicles with more than 200,000 miles, you can make the Powerstroke look and run almost like new with the right oil in the engine. That’s also the reason why this 6.7 Powerstroke oil is rated higher than many others — it works wonders for Powerstroke engines, regardless of age!

The biggest advantage from this oil is that it comes straight from Ford. If you want to rest assured knowing that you’re using the intended oil for your 6.7 Powerstroke engine, then this is the choice for you!

Updated - Ford Super Duty Diesel Motor Oil | Ford Tech Talk

Lucas Oil 10299-PK4 Synthetic 15W-40 CJ-4 Truck Oil

The Lucas Oil 10299-PK4 synthetic truck oil is a 6.7 Powerstroke oil that’s designed specifically for truck engines. This oil is designed for longevity above all else. It actually lasts twice as long as comparable 15W-40 oil, and it meets the cleanliness requirements for newer engines while treating older engines well, too. In other words, this oil can go in just about any pickup or SUV and keep the engine running in prime condition.

On top of that, this recommended 6.7 Powerstroke oil has been stress-tested in semis to see just how long it can last and how much protection it can offer. The best stress test resulted in a semi-truck driving 30,000 miles and still maintaining performance and cleanliness integrity before the oil had to be changed.

With all of that form one engine oil, you can be sure that the Lucas Oil 10299-PK4 synthetic Powerstroke oil will keep your diesel engine in outstanding condition. Needless to say, then, it qualifies as one of the best oils for 6.7 Powerstroke engines.

Lucas Oil Products for Heavy Duty Trucks & Towing

Ford Genuine Fluid Motor Oil XO-5W40-5QSD SAE 5W-40 Full Synthetic

The Ford Genuine Fluid XO-5W40-5QSD full synthetic diesel motor oil is slightly different from the first Ford oil on our list. This 6.7 Powerstroke oil meets the strict requirements of the Ford Motor Company’s warranty for all diesel engines. In the event that something does go wrong with your engine, you can be sure that you’ll be able to work out any issues with Ford as long as the warranty hasn’t otherwise expired, which is always a huge benefit, especially for first-time Powerstroke owners who are still learning how to care for the engine.

On top of that, this 6.7 Powerstroke oil is designed to withstand the intense heat and pressure that’s found in any active diesel engine. It stays thick and viscous so that you don’t risk friction in your engine at times of high performance, and it still works from -20 degrees Fahrenheit to well over 100 degrees Fahrenheit.

With that range of temperature, reliability, and Ford’s own seal of approval, you can be sure you’re picking up one of the best engine oils for your 6.7 Powerstroke. It’s important to note that this oil is specifically intended for newer engines that meet low emission requirements, though. If you have an older 6.7 Powerstroke, you can probably find a more appropriate oil for your engine.

So Which Is the Best Oil for 6.7 Powerstroke Engines?

The different engine oils on our list all have their own advantages and disadvantages for your 6.7 Powerstroke. Here are our recommendations.

The Rotella T6 oil is an excellent generic product that’s cost-effective for almost anything you need. If you don’t want to spend a lot on any sanctioned or high-end oils for your 6.7 Powerstroke, then this is the solution for you.

The Ford Genuine Fluid Oil for super duty pickup trucks and SUVs does exactly what it says on the label. It’s Ford-made, Ford-endorsed, and Ford-protected when it comes to your warranty. If you have a 6.7 Powerstroke in a super duty truck, then this is the way you can play it safe with your long-term warranty!

The Lucas Oil Powerstroke oil (see full specs) is another great off-brand engine fluid to keep your 6.7 Powerstroke running mile after mile. This is one of the only engine oils stress-tested to 30,000 miles — and that was in a semi!

Finally, the Ford Genuine Fluid Oil (see full specs) for diesel motors is ideal for any 6.7 Powerstroke owner. It’s could cost a bit more, but it’s Ford-manufactured and specifically intended for high-end diesel engines like the Powerstrokes.

Are you ready to find the best 6.7 Powerstroke engine oil for your needs? Check out our list today! Good luck!

  • Founder of Mechanical Caveman, Beau is an unrepentant tool enthusiast and, sporting deadlift-callused hands and an incongruous beer belly, all-around macho guy. When he doesn’t know re tools, he consults with his handyman and car-repairman buds to give you well-reasoned and cutting-edge info.

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