? 10 Best Synthetic Oil for Ford 6.7 Diesel [What Not To choose]

Automotive By Alice / March, 06, 2025

Just like you require a bath regularly to keep fresh, your vehicle engine requires the same as well. Having lubricant with your vehicle engine allows it to perform better under extreme weather conditions or even for longer working hours.

Of course, you would not want your engine to break down in the middle of nowhere. Doing full synthetic oil for your device would be the exact thing you need. So here’s the best Synthetic Oil for Ford 6.7 Diesel.

Have a look at the things to consider and a detailed review of the best products to choose your favorite one. Let’s get started right away!

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Editor Pick
Castrol 6159 Edge 5W-30 C3 Advanced Full Synthetic Motor Oil, 1 Quart, 6 Pack
Premium Pick
Valvoline Advanced Full Synthetic SAE 5W-30 Motor Oil 5 QT (Packaging May Vary)
Budget Pick
Hot Shot's Secret Everyday Diesel Treatment 16 Ounce Squeeze Bottle (HSSEDT16ZS)
Title
Castrol 6159 Edge 5W-30 C3 Advanced Full Synthetic Motor Oil, 1 Quart, 6 Pack
Valvoline Advanced Full Synthetic SAE 5W-30 Motor Oil 5 QT (Packaging May Vary)
Hot Shot's Secret Everyday Diesel Treatment 16 Ounce Squeeze Bottle (HSSEDT16ZS)
Review
16,181 User Reviews
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Star Rating
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Editor Pick
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Castrol 6159 Edge 5W-30 C3 Advanced Full Synthetic Motor Oil, 1 Quart, 6 Pack
Title
Castrol 6159 Edge 5W-30 C3 Advanced Full Synthetic Motor Oil, 1 Quart, 6 Pack
Review
16,181 User Reviews
Star Rating
Premium Pick
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Valvoline Advanced Full Synthetic SAE 5W-30 Motor Oil 5 QT (Packaging May Vary)
Title
Valvoline Advanced Full Synthetic SAE 5W-30 Motor Oil 5 QT (Packaging May Vary)
Review
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Star Rating
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Budget Pick
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Hot Shot's Secret Everyday Diesel Treatment 16 Ounce Squeeze Bottle (HSSEDT16ZS)
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Hot Shot's Secret Everyday Diesel Treatment 16 Ounce Squeeze Bottle (HSSEDT16ZS)
Review
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Star Rating
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Last update on 2022-01-05 / Affiliate links / Images from Amazon Product Advertising API

Editor’s Pick: Valvoline Advanced Full Synthetic SAE Oil

  • API SN Plus classification
  • High-temperature protection
Sale
Valvoline Advanced Full Synthetic SAE 5W-30 Motor Oil 5 QT (Packaging May Vary)
  • 40% MORE PROTECTION than industry standards with enhanced anti-wear...
  • RESIST OIL BREAKDOWN 10X BETTER than industry standards with a combination...
  • 25% BETTER PROTECTION AGAINST deposits with extra engine-cleaning...

Last update on 2022-01-05 / Affiliate links / Images from Amazon Product Advertising API

Valvoline sea oil offers a complete engine cleaning solution. With advanced vanished protectors, it is easier to clean up the engine tank. Moreover, it has 5 quarts liquid volume which is decent to use for any lubricant.

It comes with faster flow than most other lubricants. As a result, you can get cold temperature protection. This will always allow you to get a faster start-up.

Coming to severe driving conditions, Valvoline lubricant provides high-temperature protection as well. Even if you are driving out for a long time, it will not heat up the engine and keep it safe for work. It has proper protection for low-speed pre-ignition providing a balance while driving.

This lubricant includes complete relief from engine stress. It can prevent any type of overheating along with wear and tear problems. With a full synthetic mechanism, it provides more durable additives to prevent any increase in engine temperature.

Using this lubricant is easy. With an easy pull tab, you can pour in lubricant directly to the diesel tank. There is a precision pour spout through which this lubricant can slide in without spilling out of the bottle.

Ford Approved Oil For 6.7 Powerstroke | Synthetic vs Mineral Oil

Although the basic function for using both synthetic oil and mineral oil are the same, they have slight differences in uses as well. Here are some key differences between synthetic oils and mineral oils that you must keep in mind before purchasing one.

  • Mineral oil does contain a minimal level of impurities. However, levels of impurities in synthetic oil are much lower. It is cleaner to use.
  • Mineral oils are directly retrieved. They are neither refined nor processed to suit you better. However, synthetic oils are much better in such circumstances.
  • Synthetic oils are engineered for delivering better performance. Even for high-capacity engines and lower ones, you can use synthetic oil in both. However, mineral oils are restricted to average performances.
Best Synthetic Oil for Ford 6.7 Diesel

5 Best Synthetic Oil for Ford 6.7 Diesel Review

Last update on 2022-01-05 / Affiliate links / Images from Amazon Product Advertising API


1. Hot Shot’s Secret Everyday Diesel Treatment

Torin T43002 Steel Jack Stands

>> Check Current Price

At a glance:

  • Increases power and performance
  • Treats 400 gallons

This lubricant from hot shot’s boosts cetane up to 7 points. This will automatically treat the engine and allow it to give you a great result in performance. Ford engines always perform better with this product.

It allows you to get a stabilized fuel that can control moisture. When you are travelling under cooler temperatures, this lubricant provides a dispersed moisture that allows your car to run well. It will always provide you with an increase in power and performance.

One of the biggest advantages of using this diesel treatment is having a good fuel economy. It allows proper treatment of flushing systems inside the tank and engine of your Ford car. Concentration of using this lubricant is also lower and it takes only 1-2 oz per 25 GAL of diesel fuel.

Using this product will provide you with a large capacity of treatment. It can easily clean up to 400 gallons of diesel and tank space. Chemical composition of this liquid prevents any type of rust and corrosion formation inside the tank.

Hot Shot's Secret Everyday Diesel Treatment 16 Ounce Squeeze Bottle (HSSEDT16ZS)
  • BOOSTS cetane up to 7 points
  • INCREASES power, performance, and fuel economy
  • STABILIZE fuel & disperse moisture

Last update on 2022-01-05 / Affiliate links / Images from Amazon Product Advertising API

2. Shell Rotella T6 Full Synthetic 5W-40

Torin T43002 Steel Jack Stands

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At a glance:

  • Comfort in extreme high temperatures
  • Gives economy in fuel performance

T6 offers every engine system with better performance. With advanced technology, you’re sure to revive a heavy duty performance from the product. As a result, it is expected to deliver you with enhanced output and a decent fuel economy. You can be sure to save around 1.5% of your total investments in fuel.

Shell Rotella lubricant allows a complete protection from any type of engine wear that is harmful. It comes with multiple multi-functional additives which are dispersant in nature. Because of a full-synthetic composition, you can get enhanced protection against any types of soot or dirt inside the system.

Having a good service interval with this lubricant will slowly break down any type of composition formed. T6 is heavy-duty engine oil that can go through shear and will easily maintain a good optimal pressure. It allows you to resist vehicle emissions and keep a higher rating of fuel efficiency.

Oil for 6.7 Powerstroke, capacity is approx 5W-40 is highly suitable for any diesel-powered vehicle. It is specifically prepared to provide you utmost comfort with a fully synthetic base that allows you to resist velocity loss and give you decent oil pressure.

Shell Rotella T6 Full Synthetic 5W-40 Diesel Engine Oil (1-Gallon, Single Pack)
  • Country of origin : United states
  • Better fuel economy - compared to 15W-40 oils Rotella offers enhanced fuel...
  • Improved wear performance - provides a significantly increased level of...

Last update on 2022-01-05 / Affiliate links / Images from Amazon Product Advertising API

3. Castrol 6159 Edge 5W-30 C3 Oil

Torin T43002 Steel Jack Stands

>> Check Current Price

At a glance:

  • Six times stronger against wear
  • Improves fuel economy

Castrol 6159 is an impeccable fluid that allows you to get easy formulation and good comfort. This product is engineered to provide you with better durability to perform better. This is full-synthetic Oil for Ford 6.7 Diesel that allows you to add 5W-30 oil which makes it better to use as well. It is completely reliable to use.

On any day, usage of friction can waste more than 10% of engine performance. However, it won’t be possible with this lubricant. 6159 provides an improved 30% power-robbing friction that allows you to get an easy result. This will improve oil film strength by a fair margin.

One impressive feature of this Castrol lube is fluid titanium technology. This technology is specially prepared to provide you with easy breakdown of corrosion and dirt particles. Castrol lubricant provides special protection against metal to metal contact which results in reduction of erosion.

It comes with a simple chemical combination to control outside temperature. Even when you are travelling for a long time or in winter, this liquid allows you to get exhilarating performance to make it better to use.

Castrol 6159 Edge 5W-30 C3 Advanced Full Synthetic Motor Oil, 1 Quart, 6 Pack
16,181 User Reviews
Castrol 6159 Edge 5W-30 C3 Advanced Full Synthetic Motor Oil, 1 Quart, 6 Pack
  • Castrol EDGE C3 is a European formulation that is specifically engineered...
  • Specifications established by BMW, Mercedes-Benz and Volkswagen demand that...
  • Diesel Application. Formulated for highly tuned four cylinder and latest...

Last update on 2022-01-05 / Affiliate links / Images from Amazon Product Advertising API

4. Schaeffer Manufacturing Co. 0700CK4-012 SynShield

Torin T43002 Steel Jack Stands

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At a glance:

  • Strong stay-in-grade performance
  • Better oil durability

Everyone knows that Schaffer has a big brand value. This also reflects on 0700CK4-012 which comes as a durable product. It provides you with strong oxidation and viscosity control and also gives you a great result.

Having API CK4 standard allows this product to be better than others. Not many lubricants can come up with this standard, but this one from Schaeffer comes with an elite durability. It includes strong oil durability to give you strong oxidation and viscosity control.

It comes with better contamination control so that you can get a superior soot-busting option. As a result, you can get a decent capability from this lubricant that allows you to get better friction results. It is modified with micron molly and penetrates to meet best results.

One thing that we liked the most about this product is strong in-grade performance. You will get 12 quarts oil with this package and it comes with a net volume of 384 quarts which is quite decent for any mid-budget fluid.

Last update on 2022-01-05 / Affiliate links / Images from Amazon Product Advertising API

5. Shell Rotella T5 Synthetic Blend 15W-40

Torin T43002 Steel Jack Stands

>> Check Current Price

At a glance:

  • Triple Protection Plus
  • API CK-4 engine wear tests

T5 comes with triple protection technology and it is great to use and gives best results. You can surely rely on protection against wear and tear. Moreover, this lube has a great performance against oil breakdown. When you are starting to drive at lower temperatures, you’re about to experience zero delay because of fast fluid transfer.

This product features heavy duty engine oil. To make it better, manufacturers have prepared this oil with a full synthetic base. Because of this, movement of oil components inside the system is much faster. It speeds up the procedure of cleaning and allows you to drive longer.

Shell Rotella T5 includes improved oxidation performance. It helps in reducing metal contamination. This gives positive feedback as you can get an increased resistance to breakdown under high temperatures. It can easily surpass an API CK-4 engine wear test which sets up better standards. You can get better formulation to control engine wear. As compared to other lubricants, this product from Shell Rotella comes with better durability. It is heavy-duty oil that can help you to control engine deposits for reliability.

Shell Rotella T5 Synthetic Blend 15W-40 Diesel Engine Oil (1 Gallon, Single Pack)
  • Synthetic blend 15W-40 diesel engine oil with Triple Protection Plus...
  • Ideal for on-highway fleets, construction, and agricultural machinery, and...
  • Improves low-temperature flow (compared to conventional 15W-40 oils)

Last update on 2022-01-05 / Affiliate links / Images from Amazon Product Advertising API

6. Castrol 03555 EDGE Bio-Synthetic 5W-30

Torin T43002 Steel Jack Stands

>> Check Current Price

At a glance:

  • Decreases engine deposit
  • Protects engine wear

This product features an amazing performance that allows you to get easy driving access. With 5W-30 oil, you’ll be able to drive well even under extreme weather conditions. It will not be a big challenge to drive here.

Castrol 03555 includes 25% sugarcane derived oil. Of Course this is unique and not many oil compounds are prepared with this mechanism. However, because of his mechanism, the product will be able to reduce emission.

It includes organic components which allow reducing metal-to-metal contact. As a result, this oil will be able to break down sediments and other components inside the engine system. Emission levels are much lower.

One of the best features for using Castrol 03555 is the option of having a bio-synthetic formula. It exceeds manufacturer’s warranty requirements and provides you with a better result.

Castrol 03555 Edge Bio-Synthetic 5W-30 Advanced Full Synthetic Motor Oil, 5 Quart, 3 Pack
  • Reduces metal-to-metal contact across a range of different driving speeds
  • Protects the engine for the entire drain interval even under extreme...
  • Decreases engine deposit formation to help maximize engine response

Last update on 2022-01-05 / Affiliate links / Images from Amazon Product Advertising API

Things To Consider

1. Compatibility

Compatibility becomes a big thing to consider before choosing any type of engine oil. You must make sure that the lube is compatible enough to run with your existing fuel system. Take note of the brand and the manufacturer of your vehicle. You can do simple research to know more about this product.

2. Type of driving

You must know about how frequently you drive your car. Are your trips longer than any average car would travel? If so, it might take up a lot of heat to work with. You would not expect the product to run well without even knowing how much your daily consumption of fuel is. If you do not go for long drives, using a light lubricant will do the job for you.

3. Climatic Conditions

Climatic conditions depend a lot on choosing the right oil for your diesel engine. This is mainly because types of oil for hot weather and for cold weather are different. They have differences in performance and mechanism as well. You need to be certain about low temperature oils and also high temperature oils before choosing one.

4. Viscosity

Another important thing you must consider is the viscosity grade of your oil. Usually, the oil viscosity lies between 15W-40 and 5W-40 which makes this product great to use again. You need to consider the engine make and model number to find out the perfect match for your engine.

5. Application

Once done with the points above, it’s now time for you to consider the application and the type of use. There are different applications that include higher mileage or even extended performances. This will help you to get gasoline engines and heavy duty motors.

6. 6.7 Powerstroke oil type

Coming to the types of synthetic oil, there are two major types. This includes either a full synthetic or synthetic blend. You need to be sure about the type of use.

Conclusion

Sale
Valvoline Advanced Full Synthetic SAE 5W-30 Motor Oil 5 QT (Packaging May Vary)
  • 40% MORE PROTECTION than industry standards with enhanced anti-wear...
  • RESIST OIL BREAKDOWN 10X BETTER than industry standards with a combination...
  • 25% BETTER PROTECTION AGAINST deposits with extra engine-cleaning...

Last update on 2022-01-05 / Affiliate links / Images from Amazon Product Advertising API

There’s not even a doubt that Valvoline Advanced Full Synthetic SAE Oil is simply the best synthetic oil for ford 6.7 diesel. However, there’s a lot of other products to choose from as well. Each of the lubricants mentioned above is ready to provide your vehicle engine a solid performance. So let us know which lubricant you liked the most amongst all. If your lube is still not being able to deliver what you expect, it’s time to get your car engine health check-up done.