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10 Best Oil for 6.7 Powerstroke (2023): Buying Guide & Reviews

Are you looking for the best oil for your Ford engine 6.7 Powerstroke?

Are you confused on which oil is best for your Ford Engine?

If yes! We got you covered. With ample of oil manufacturers for 6.7 Powerstroke engine, it is always challenging to find the best oil for your ford engine to make the most out of it. Viscosity is an important consideration while choosing the best oil for 6.7 Powerstroke engine. Climatic conditions and engine load are other factors which one need to take into account to ensure improved efficiency of engine.

Do you know, 15W-40 and 5W-40 are the Best Engine Oils for your 6.7 Powerstroke engines?

These oils are ideal for marine, industrial and even agricultural application. Before exploring the various types of oil suitable for your ford engine, let’s quickly explore the basics.

What is 6.7 Powerstroke Engine?

The 6.7 liter powerstroke engine is an amazing piece of machinery. It’s a diesel engine that was designed by ford to deliver high performance and fuel economy. In order to clean exhaust emissions, improving engine efficiency, reducing friction and maintaining fuel economy, choosing the best Oil for these engines is important.

What Kind of Oil should I use in my 6.7 Powerstroke?

If you are looking an all-season and versatile oil for your 6.7 Powerstroke engine, we recommend 15W-40 oils as the best choices. The reason is the right viscosity index that provide good protection to the heavy loads engine. These type of oil are also suitable for special cleaning filters and exhaust gas systems of your 6.7 powerstroke engines.

Now that we know, what type of oil are best for your ford engines, let’s check out the best oils available in the market for your 6.7 powerstroke engine.

10 Best Oil for 6.7 Powerstroke Engine: Review & Buying Guide

Let’s quickly explore why we have listed all these oil as best for any 6.7 powerstroke engine:

S.No10 Best Oil for 6.7 Powerstroke (2023)Check Price
1.Shell Rotella T6 Full Synthetic 5W-40 Diesel Engine OilCheck Price on Amazon
2.Ford Oil – EngineCheck Price on Amazon
3.Valvoline Premium Blue Extreme SAE 5W-40 Full Synthetic Diesel Engine OilCheck Price on Amazon
4.Ford Genuine XO-15W40-5QSD SAE 15W-40 Super Duty Diesel Motor OilCheck Price on Amazon
5.Mobil 1 Turbo Diesel Truck Full Synthetic Motor Oil 5W-40Check Price on Amazon
6.Schaeffer Manufacturing Full Synthetic Diesel Engine Oil 5W-40Check Price on Amazon
7.Lucas Oil 10299-PK4 Synthetic 15W-40Check Price on Amazon
8.Mobil 1 Turbo Diesel Truck Full Synthetic Motor Oil 5W-40Check Price on Amazon
9.Delo 400 SDE SAE Conventional Heavy Duty Diesel Engine Oil 15W-40Check Price on Amazon
10.Shell Rotella T4 Triple Protection Conventional 15W-40 Diesel Engine OilCheck Price on Amazon

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

Shell Rotella T6 Full Synthetic 5W-40 Diesel Engine Oil is a high quality oil that provides 1.5% improved fuel economy performance compared to Sae 15W-40 oils. It features a triple protection plus formula which helps in strengthening the engine’s life       . The oil is also formulated with additive technology to protect the engine against various contaminants.

This oil has been rigorously tested and proven to deliver excellent performance in extreme temperatures and conditions. Whether you’re hauling heavy loads or operating in harsh environments, Shell Rotella T6 will keep your engine running strong for your modern exhaust control systems.

It is engineered with an advanced low-ash formulation to help keep your engine running smoothly and efficiently, even in the most demanding conditions. It’s perfect for diesel engines requiring a low-ash oil, and helps maintain vehicle emissions compliance and fuel efficiency.


  • Triple protection plus formula
  • Excellent performance in extreme temperatures and conditions
  • Low-ash formulation
  • Suitable for modern exhaust control system


  • Unreliable packaging prone to leakage

2. Motorcraft SAE 5W-40 Full Synthetic Diesel Motor Oil

Looking to keep your diesel engine running strong all year long? Motorcraft SAE 5W-40 Full Synthetic Diesel Motor Oil is here to help. This premium oil is formulated specifically for Powerstroke engines, and offers stable operation at a variety of temperatures.

It also provides full protection against wear and tear, so your vehicle can go the distance no matter what conditions it faces. Best of all, this oil is all-season friendly, making it perfect for colder climates.

This oil doesn’t freeze and maintains the necessary viscosity level to protect all active engine parts, making it perfect for extreme weather conditions. It also has good anti-corrosion properties and eliminates rapid engine wear.

Overall, it is an original Ford oil that is highly compatible with 6.7 Powerstroke engine. Ready to experience the power of Motorcraft? Pick up a bottle today!


  • Protects the engine from wide temperature variations
  • Maintain fluidity at low freezing temperatures
  • Perfectly match stock oils


  • Oil loses viscosity at high temperatures

3. Valvoline Premium Blue Extreme SAE 5W-40

Valvoline Premium Blue Extreme SAE 5W-40 is the only oil endorsed and recommended by Cummins. It contains superior synthetic base stocks ensure faster, safe starts during extreme freezing weather. It comes with advanced thermal properties to make it suitable for hot weather operations. Outstanding oxidation resistance supports long oil life in heavy duty diesel engines. Superb wear protection keeps your hardworking heavy-duty trucks and equipment running smoothly for longer periods of time.

It is a heavy duty, synthetic oil based lubricant that has been designed to protect diesel engines in severe service. It meets or exceeds the requirements of Cummins, Caterpillar, Detroit Diesel, Navistar, Mack and Volvo. This product is perfect for your cold winter starts and hot summer days. The superior synthetic base stocks provide faster starts and better thermal protection.

It is a high quality motor oil that has been designed to offer superior protection against oil oxidation, as well as improved fuel economy potential over conventional 15W-40 oils. It is ideally suited for use in Cummins X15 engines, where it can extend drain intervals up to 60,000 miles provided average fuel efficiency is 6.5 mpg or higher.


  • Endorsed and recommended by Cummins
  • Superior synthetic base stocks
  • Protects diesel engines in severe service
  • Exceeds the requirements of Cummins, Caterpillar, Detroit Diesel, Navistar, Mack and Volvo


  • Not compatible with the temperature below -15 degree celcius

4. Genuine Ford Fluid XO-15W40-5QSD SAE 15W-40

Looking for a motor oil that complies with Ford engine regulations? Look no further than the Genuine Ford Fluid 15W-40 SAEDiesel Motor Oil. This oil is specifically formulated to work with all Ford engines from 2011 onwards. This hydro-processed base oil is the perfect choice for drivers who want the best performance from their vehicle.

Genuine Ford Fluid is a diesel oil for ford 6.7 that has been formulated to meet API Service CJ-4 standards. The unique additives ensure extra boost to your truck heavy duty diesel engine. By avoiding quick wear and tear, this okil improves the engine durability.

Engineered for engines that rely on both old and modern combustion technologies, Genuine Ford meets the demands of those who seek an oil with reduced contaminants. It is a conventional motor oil with great formulation also helps it to be fully-organic, making it perfect for use on temperatures that don’t go below -20°F and above 38°C.


  • Complies with Ford engine regulations
  • Unique additive technology
  • Formulated to meet API Service CJ-4 standards
  • Compatible with modern and old engines


  • Not compatible with the temperature below 20 degree celcius
  • Expensive

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

Mobil 1 Turbo Diesel Truck is designed is a good fit for all modern diesel truck engines with potential fuel economy benefits, delivering long drain capability, and great performance. This engine oil is suitable for low emission well as high performance diesel application.

This product is specially formulated to reduce low-temperature sludge buildup and high-temperature deposits, making it a great choice for diesel engines. Enjoy the reduced wear and tear on your engine due to the oil’s ability of handling low temperature.

It is primarily used for heavy duty applications and turbo pickup trucks. It is a perfect fit for gasoline engines with mixed fleets.

So if you’re looking for a motor oil that can take care of your truck like no other, Mobil 1 Turbo Diesel Truck Full Synthetic Motor Oil 5W-40 is the perfect choice.


  • Engineered for modern diesel truck engines
  • Great fuel economy benefits
  • Vesatile oil compatible with several engines


  • Not compatible with the temperature below -15 degree celcius

6. 9000CK4-006S SynShield OTR Plus Full Synthetic Diesel Engine Oil 5W-40

If you’re looking for a top-of-the-line diesel engine oil that can help you maintain fuel economy while keeping your engine running smoothly and efficiently, then look no further than SynShield OTR Plus Full Synthetic Diesel Engine Oil 5W-40.

This oil has been specifically designed to withstand the higher heat ranges of diesel engines, and it also features superior cold weather startability so you can get up and moving even in the harshest conditions. Plus, with its keep-clean performance capabilities, this oil is perfect for busting through built-up deposits and maintaining optimal engine function.

This oil resists corrosive and abrasive wear, protects against oil aeration and foaming, has a low ash formula, and improved oil consumption control. It has excellent cold cranking startability and low weather pumpability.

You won’t find a better diesel engine oil than this!


  • Engineered specifically for diesel engines
  • Superior cold weather startability
  • Keeps engines clean and running smoothly
  • Resists corrosive and abrasive wear


  • Packaging issues that leads to severe leakage

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

Looking for a high-quality, best synthetic oil for ford that will last twice as long as other brands? This oil has been tested in semi’s up to 30,000 miles and still meets all specs – perfect for diesel and gas pickups, SUV’s, and heavy duty lawn equipment.

The Lucas team knows engine oils, and this product is formulated to meet the new specs introduced in 2007 while still working well in older engines. It even meets or exceeds API CJ-4,ACEA E7. CI-4+, CF/SM and CI-4, standards. Don’t settle for anything less – trust Lucas Oil products to keep your engine running smoothly.

Lucas Oil 10299-PK4 Synthetic 15W-40 CJ-4 Truck Oil is perfect for keeping your truck running smoothly. Its SAE weight of 15W-40 makes it the perfect choice for vehicles that require this viscosity rating, and its synthetic oil composition ensures optimal performance and protection. Trust Lucas Oil to keep your truck running like a charm!

Lucas Oil synthetic truck oil is a high-quality, full-synthetic product that will help keep your engine running smoothly in even the most extreme temperatures. Its complex production method means it can often cost more than traditional motor oils. But for many drivers the benefits are well worth the investment. Lucas Oil truck oil can help you get better gas mileage and reduce engine wear, making it a wise choice for anyone who depends on their vehicle to get around.


  • Excellent performance in extreme temperatures
  • Reduces engine wear
  • Meets or exceeds API CJ-4, CI-4+, CI-4, CF/SM, ACEA E7 standards


  • Can be more expensive than traditional motor oils

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

Mobil 1 Turbo Diesel Truck Full Synthetic Motor Oil 5W-40 is designed specifically for efficient diesel engines that have a potential of fuel economy and outstanding performance.

Complying to the latest CJ-4 industry standard, it is meant for both heavy duty and light duty turbo engines. It efficiently avoids high-temperature deposits through oxidation stability and low temperature sludging with its powerful thermal.

It is a fully synthetic engine oil which sucessfully reduce engine scuffing and provide cold-start performance to your hard-working engine. Overall, it is a low volatile engine oil with improved TBN quality reserve to withstand high temperature variations.

It remains protective to your engine with its exceelent corrosion resistant properties.


  • Designed specifically for diesel engines
  • Meets or exceeds major truck manufacturers’ specs
  • Low temperature pumpability makes engine starts easier and reduces wear


  • Packaging issues that leads to severe leakage

9. Delo 400 SDE SAE Conventional Heavy Duty Diesel Engine Oil

The oil may be used in older conventional engines as well as gasoline engines, and it’s formulated with ISOSYN technology.

It has a high viscosity grade that makes it ideal for use in mixed fleet engines. So if you’re looking for an engine oil that can stand up to the most extreme conditions, Delo 400 SDE is definitely worth considering.

THis Diesel Engine oil gives the users a choice for a wide mix of engine brands to enjoy simplified inventory and dispensing systems.


  • High viscosity grade for mixed fleet use
  • Premium heavy duty oil for heavy duty motor
  • Excellent backward compatible oil
  • Appropriate for wide range of climate change


  • Only available in 1 gallon containers (6 per case)

10. Shell Rotella T4 Triple Protection Conventional 15W-40 Diesel Engine Oil

Rotella T4 Triple Protection Conventional 15W-40 Diesel Engine Oil is fortified with an advanced additive technology. If you are looking for superior engine cleanliness, this oil is worth consideration. It offer protection against corrosion, oil breakdown and soot. It provides increased shear stability for better viscosity control and optimal engine oil pressure, making it a great choice for heavy duty engines.

It is a high-quality motor oil that provides superior engine cleanliness and helps keep your engine running efficiently. It also offers enhanced protection against oxidation, increased stability, and improved oil aeration. It helps maintain emission control system durability for a longer engine life.

This oil is specifically designed to resist breakdown under high temperatures, so your engine can run clean and smoothly for longer. It’s backed by a professional team of engineers who know what it takes to keep your engine running its best.

So, if you’re looking for an oil that can provide maximum protection for your ford diesel engines, Shell Rotella T4 Triple Protection is the perfect choice.


  • Improved oil aeration for cleaner engine performance
  • Resists breakdown under high temperatures
  • Engineered for maximum protection


  • Customer complaint about spilled delivery

Buying Guide: Factors to Consider Before Buying Best oil for 6.7 Powerstroke

Here are the certain important factors which one must consider before buying the best oil for 6.7 Powerstroke:

Cleaning Performance:

The additive package to combat the severe engine issues such as soot, deposit build up, oil oxidation and acidity is an important consideration for best oil for 6.7 powerstroke.

The engine oil must be able to clean the engine and its parts completely. It should prevent any kind of deposit buildup and sludge formation. The oil must also help in easy removal of dirt, dust, and other contaminants from the engine.

An oil inhibiting self-cleaning properties is the best deal to consider to ensure engine durability.

Protection Against Wear:

The engine oil must be able to protect all the components of the engine from wear and tear. It should be able to provide a shield against various elements that can cause damage to the engine.

The oil must have anti-wear additives which help in maintaining long durability of an engine without any shortcoming or attrition due to frequent use.


Viscosity referred to the fluid resistance with respect to the changes in temperature. When you need your heavy-duty engine running at its peak performance, it’s important that the right kind oil be used for viscosity rating 10w-30 or higher depending on whether they are diesel engines working under extreme conditions with high horsepower demands ratings 15WS – 40.

Diesel engine oils are optimized to offer the best performance in varying temperatures, but this behavior can be unusual. For instance diesel viscosity increases as lowest on cold days and decreases when it’s hottest outside; manufacturers need additives that make their base stock more stable under these circumstances so they add them!

Vehicle & Fuel Economy

The right diesel engine oil can have a dramatic effect on your fuel economy and the life of any filters in your car. As with regular motor oils, there are many different brands that offer lots more protection for shorter periods at higher cost but will save you money down the line because their superior quality lasts much longer than cheaper options.

So while they may seem expensive initially, think about how often you’ll be spending extra funds replacing old parts due to wear or tear!

Frequently Asked Question

What is the Difference Between Engine Oil and Motor oil?

Answer: Engine oil is a lubricant specifically designed for internal combustion engines. Motor oil, on the other hand, is a general term that refers to any type of lubricant used in automobiles. Most of the manufacturers use the terms engine oil and motor oil interchangeably.

What is the Best type of Engine Oil for a 6.7 Powerstroke?

Answer: The type of engine oil you choose should be determined by the manufacturer’s recommendations for your particular vehicle. Generally, it is recommended to choose 5W-40 or 15W-40 viscosity engine oils that are considered best for your 6.7 powerstroke engine.

Why is it Important to Use Synthetic Oil?

Answer: Higher viscosity performance at extreme temperatures, decreased evaporation loss, and thermal breakdown resistance are the prime reasons why one should consider using the synthetic oil for their engine.

Can I use a Diesel Engine Oil in my Gasoline Engine?

Answer: Yes, you can suitably use the diesel engine oil in my gasoline engine. But you have to make sure the diesel oil should meet the viscosity and specification of your gasoline engine.

What is the Difference Between 10W-30 and 15W-40 Motor Oils?

The film strength of 10W-30 is weaker than 15W-40 as it is thinner in consistency. It is prone to oxidation and you need high quality additive to make it work at par with 15W-40.

What is the Difference Between a Diesel Engine and a Gasoline Engine?

The way of explosion is the major difference between any gasoline and diesel engine. In Diesel engine, the air is compressed first and then the fuel is injected. But in gasoline engine, the fuel is mixed with the air first. It is then compressed by piston and then ignited by the spark using spark plugs.


As a vehicle owner, you have a responsibility to maintain your car and ensure that it is able to perform at its best. You should know what type of lubricating oil is recommended by the manufacturer of your car as this will help you keep the engine running efficiently and without any issues.

In general, you should always consult with the manual that came with your car to ensure that you’re making use of an oil that is appropriate for your engine. In most cases, it’s recommended by automotive experts to make a full change of oil every 3-5k miles or after a set time period.

If you follow this rule, you will not only keep your car running smoothly, but you will save money from having to regularly buy new oil. However, if you want to go the extra mile for your car and get the most out of it’s engine then consider switching to a synthetic blend or fully synthetic oil as it can extend the life of your engine.

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My Name is Christopher Angels, and I am a postgraduate in mechanical engineering. Cars have always excited me as a child, and soon I decided to dive into the world of cars by pursuing mechanical engineering. I also worked as a Mechanic for over 3 years to understand Cars' anatomy and how each part contributes to its working.

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