7 Best Oil for 7.3 Powerstroke [Reviews & Buying Guide]

Engine oil is the lifeline for any engine or motor, and when a rugged engine like Ford 7.3Powerstroke is under discussion, it becomes even more important to match all the critical requirements and performance formalities. …

7.3 Powerstroke

Engine oil is the lifeline for any engine or motor, and when a rugged engine like Ford 7.3Powerstroke is under discussion, it becomes even more important to match all the critical requirements and performance formalities.

Ford created this mighty engine to take on Chrysler and General Motors and it was featured in the most outrageous trucks ever produced by the company.

To ensure that your car performs optimally over time and in different conditions, you must give it the best treatment. For that purpose, you must choose the best oil for 7.3 Powerstroke, the epitome of diesel motors.

Check out our comprehensive guide and go through consumer reviews to pick the ideal lubricant, among the 7 best oil for 7.3 Powerstroke engines.

7 Best Engine Oil for 7.3 Powerstroke – Buyer’s Guide and Reviews

Finding the right service and picking the best oil for 7.3 Powerstroke can be a really daunting task, so we have gathered this information to help you make the right decision.

1- Shell Rotella T6 Diesel Engine Oil

Top of the list is this premium motor oil by Shell, designed and formulated specifically for heavy-duty engines like 7.3 Powerstroke and other diesel powertrains.

It features a unique Triple Protection Plus technology which ensures optimal lubrication and long-term protection of your engine. It prevents any damage under normal or extreme conditions by bearing all the stress and offering excellent shear stability.

Rotella T6 has 5W-40 SAE grade which offers perfect performance in all weather conditions, particularly the cold starts. You also get to enjoy better fuel economy with reduced emissions in the longer run.

Features and Benefits

Great Shear Stability

Rotella T6 maintains its viscosity over a wide range of stress and temperature ranges and offers excellent shear stability. It also features a low ash formula, making sure that your engine doesn’t release harmful emissions and gives optimal output.

Dependable Fuel Economy

You get much better fuel economy with T6, majorly because of its ideal lubrication, better corrosion resistance, and reduced friction between the moving engine parts. You can expect to save a generous amount of cash with your 7.3 Powerstroke when using Rotella T6.

Advanced Technology

Its Triple Protection Plus technology with low-ash formula prevents breakdown, reduces soot and sludge, and maintains functional integrity. Premium additives are added to offer long-term durability and better performance, regardless of the working conditions.


1. Heavy-duty endurance

2. Long-term durability and enhanced engine performance

3. All-weather coverage

4. Better pressure handling and dissipation


1. Oil might contain some debris during the change interval

User Review

Most of the customers love this product, and to no one’s surprise, this oil deserves it. They consider it to be very long-lasting, improve their truck’s mileage, and prevent any unnecessary damage to the engine over time. Of all the diesel motor oils available, this was chosen most by the consumers and they seem to enjoy their experience.

2- Liqui Moly 2041 Premium Motor Oil

German oil is one to look for when planning to upgrade your Ford truck’s performance and durability.

Enriched with premium additives and boasting purified formulation, it keeps the inside of your 7.3 Powerstroke clean and young as ever, giving you maximum output and reduced emissions.

You would not have to worry about frequent oil change intervals and engine oil breakdown, no matter how harsh the driving conditions are, and what type of terrain your Ford truck usually encounters. Its 5W-40 lubrication is perfect for all types of climate conditions and performs well at both extremes.

Features and Benefits

Engine Protection Ensured

It protects the engine from unnecessary wear over the years, thanks to its ideal lubrication, and prevents the buildup of corrosive elements. Its versatile SAE grade ensures perfect cold startups and all-weather performance.

Premium Technical Formulation

2041 comes packed with premium additives and pure formulation, protecting your Ford 7.3 Powerstroke from damage and other technical issues. It also regulates heat and prevents oil breakdown, offering maximum output and fuel efficiency.

High Compatibility

Not only do you get to enjoy longer oil change intervals but this oil is suitable for the majority of engine types with different compressions ratios. It can also be used for gas engines, given that your huge 7.3 Powerstroke spares some!


1. Premium protection and heat stability

2. Superb compatibility

3. Premium additives and unique formulation

4. Extended change intervals


1. Not better than most competitors at lower temperatures

User Review

Liqui Moly has a huge fan following and this oil follows the same trend. Consumers only have positive things to say about this lubricant, most importantly the wide range of temperature coverage. As per reviews, customers love the whole experience, including the container, usage, and long-term reliability. It enhances the diesel engine’s stability at higher temperatures and is well-suited for rugged offroading. 

3- Schaeffer Manufacturing Supreme Engine Oil

Another great lubricant on the list of best oils for 7.3 Powerstroke, the Schaeffer Supreme oil offers perfect cold cranking and oil flow, irrespective of weather and driving conditions.

It comes with a unique blend of additives and has a premium formulation, offering maximum output with increased fuel economy.

You get ideal lubrication for all the engine parts and it also reduces wear, and corrosion, while preventing the buildup of soot and other contaminants that could hamper your car’s performance and lifespan. It also has the SAE grade of 5W-40, covering you in all types of weather conditions.

Features and Benefits

Improved Protection

It lubricates all the surfaces of the powertrain efficiently, preventing any damage due to friction or excessive heat generation. Its 5W-40 grade is reasonably well formulated to keep the integrity of the lubricant intact, no matter how harsh the conditions get.

Low Volatility

This is important, particularly for durability and optimal performance at higher temperatures. The Supreme 9000 oil maintains its composition and prevents any overheating, which extends the change interval as well as the lifespan of your Ford diesel engine.

Optimal Engine Cleansing

This is the prime reason behind the Schaeffer oil being the best oil for the 7.3 Powerstroke list. Not only does it have ideal lubrication, but it also has detergent-like properties that keep the contaminants and sludge away from your heavy-duty engine.


1. Optimal engine cleaning

2. Dependable viscosity with reduced friction

3. Excellent shear and thermal stability

4. High-performance formulation


1. Packaging has been reported to have leakage and damages

User Review

This is a relatively exclusive product and most of the buyers had picked it for the first time. Despite its narrower footprint, it surprised most of the new customers with its qualities and people are loving how this oil handles pressure, cold starts, and offers extended oil drain intervals. The only issue reported is that of packaging that is prone to leaking.

4- Valvoline Premium Blue Extreme SAE Engine Oil

Valvoline is another premium lubricants manufacturer known for its quality and long-term serviceability.

It meets all the strict requirements set by manufacturers and keeps your Ford 7.3 Powerstroke firing perfectly on all cylinders. The 5W-40 rating is suitable for all types of temperatures and rugged driving conditions.

You also get to enjoy better fuel economy with maximum output for prolonged intervals, without having to change or top up the engine oil.

Features and Benefits

Protective Properties

Its high TBN retention makes sure that you get maximum output in all weather conditions. With premium additives, this oil prevents the buildup of soot, corrosive elements, and oxidation byproducts that could permanently damage your engine.

Optimal Lubrication

Valvoline oil features Dispersive Polymer Technology (DPT) and is a synthetic lubricant that aptly lubricates all moving parts and surfaces. Not only does this reduce resistance and heat generation, but it also ensures long-term durability and enhanced lifespan.

Better Fuel Economy

Reduced soot and corrosion have another benefit; better fuel economy. Valvoline offers better output and fuel efficiency, majorly because of its premium additives and 5W-40 grade.


1. Very effective formulation and premium additives

2. Better thermal stability

3. Enhanced fuel economy

4. Prevents buildup of soot and sludge


1. Sealing of the container can be improved, for safer shipping and handling.

User Review

Most of the customers who chose this oil had 5 star user experience. As per reviews and consumer response, Valvoline is an ideal choice for heavy-duty engines like Ford 7.3 Powerstroke. It maintains the stability of the engine, better idling, and reduced vibrations at higher RPMs. People with different types of diesel engines love this oil and are totally satisfied with the long-term performance.

5- Shell Rotella T5 Diesel Engine Oil

Another great product from the house of Shell, the Rotella T5 is ideal for diesel engines.

Meeting all the requirements set by manufacturers, this oil offers maximum engine protection, shear stability, and wear resistance. This makes it an ideal choice and one of the best oil for the 7.3 Powerstroke diesel engine.

Its 15W-40 grade is suitable for cold start-ups and performs well under harsh conditions and higher working temperatures.

Features and Benefits

Ideal Protection

Your heavy-duty diesel engine gets long-term durability and all-weather performance with 15W-40 grade. Better resistance to wear and shear stability offers protection to your engine, enhancing its life and output.

Versatile Usability

High-performance engines like Ford 7.3 Powerstroke have stringent requirements for maximum output and rugged off-road performance. Shell Rotella T5 meets all these requirements and your diesel powerhouse loves this premium treatment.

TPP Functionality

Like Rotella T6, this premium oil also features the Triple Protection Plus technology which keeps your engine in pristine condition by reducing soot deposits and enhancing wear resistance.


1. Longer change intervals

2. Improved engine output

3. Premium synthetic blend formula

4. Perfect viscosity control and oil stability


1. Oil gets quite dark during the change intervals, indicating contamination.

User Review

Shell has a wide fan base and consumer reports show why these oils are so popular. People love everything about Shell Rotella T5, starting from its different packaging, 15W-40 grade that covers a wide range of temperatures, and prevents breakdown or consumption of motor oil. It is not so costly, compatible with most trucks, and can be used safely after even 6000 miles without worrying.

6- Mobil 1 Turbo Diesel Truck Motor oil

Mobil 1 needs no introduction when it comes to quality lubricants and with its history of legendary legacy in motorsports, the company has opened its doors to the commercial and passenger vehicle market.

Its Supersyn technology ensures proper engine cleaning, soot reduction, and film strength. It resists changes in temperature, viscosity, and integral properties for long-term durability.

With 5W-40 SAE grade, you would not have any trouble getting the maximum output from your engine in cold or hot temperatures.

Features and Benefits

Supersyn Technology

It comes with Supersyn technology which prevents the buildup of soot and prevents corrosion. You also get a much better temperature and shear stability, not to mention the maintenance of film strength and long-term durability for your diesel engine.

Versatile Applications

No matter which diesel engine you drive, this oil meets all the requirements set by manufacturers. One of the best oil for 7.3 Powerstroke engines, there’s no better option for winter driving than this product.

Premium Formula

Its premium formulation imparts important properties to your diesel engine. You get maximum output, fuel efficiency, and long-term durability with Mobil 1 diesel engine oil.


1. Keeps the inside of the engine clean and pristine

2. Ideal compatibility

3. Features premium additives

4. Enhanced durability of powertrain


1. Package design is not so good.

User Review

Mobil 1 has grown to become a popular choice among individual customers as well, and it is evident from its growing sales and fanbase. Customers who use this oil shift from other brands and love the change in their car’s output and stability. According to majority customers, it is affordable, reliable, and well suited for winters with no concern about early change intervals or specific maintenance.

7- Rotella T Triple Protection Motor Oil

Another Shell lubricant that features the unique Triple Protection Plus technology to keep your Ford 7.3 Powerstroke in pristine running condition.

This oil meets all the CJ-4 and CK-4 standards, making it an ideal choice for a wide range of diesel engines. Apart from its ideal lubricating properties, you get to enjoy better fuel economy and a longer lifespan of the engine.

With 15W-40 grade, your diesel engine would outperform any other motor on the road, and those cold startups won’t be problematic anymore.

Features and Benefits

Premium Formula

Its unique composition helps the engine give better output with reduced wear and corrosive elements. Better lubrication and clearance of soot help get better fuel economy as well.

Better Performance and Output

With reduced heat generation and better stability at higher temperatures, the engine gets extended durability and performs much better under harsh driving conditions. Whether it’s daily driving or rugged off-road trailing, this oil prepares your engine for every challenge.

Patented Technology

Its Triple Protection Plus technology reduces metal wear, reduces friction, and rubbing among the moving engine parts, and eliminates sludge that could harm the powertrain in any way. You get to enjoy extended mileage and enhanced durability with Rotella T motor oil, one of the best oil for 7.3 Powerstroke.


1. Offers better control over the powertrain

2. Optimal lubrication

3. Excellent engine stability

4. Enhanced engine protection and durability


1. Containers might get damaged in the cargo

User Review

Shell is probably the biggest POL company in the world and it is evident from the consumer reviews that why is it so. Customers love this relatively cheaper oil and prefer it over the other options. It is considered to be an ideal choice for winter and cold starts. Users also believe that it keeps the engine running perfectly fine at higher RPMs, doesn’t change its color much during maintenance intervals, and prevents damage to engine seals and other parts. It is also one of the fan favorites and thanks to Shell’s footprint, has a wider availability.

Other Similar Posts:
Best Synthetic Oil for Ford 6.7
Best Oil for 6.0 Powerstroke
Best Synthetic Oil for 5.7 Hemi


Q1- Which type of oil is best for 7.3 Powerstroke by Ford?

Evidence and experience suggest that Fully Synthetic oils are the best option for heavy-duty engines like Ford 7.3 Powerstroke.

Q2- How often should the oil be changed in Ford 7.3 Powerstroke engine?

As per the manufacturer’s guidelines, one should change the oil every 7000 miles or 6 months, whichever comes first.

Q3- Which oil grade is most suitable for Ford 7.3 Powerstroke?

Of all the grades available, 5W-40 appears to be the most suitable match for 7.3 Powerstroke.

Final Thought

With time, fully synthetic oils have evolved to become universally acknowledged as the industry standard for today’s powerful engines. Without a second thought, using the best oil for Ford 7.3 Powerstroke will result in improved performance and enhanced durability.

Among so many great options, the best synthetic oil for 7.3 Powerstroke appears to be Shell Rotella T6 Diesel Engine Oil. This lubricant is prepared to demonstrate its value with unmatched functionality and fewer problems. It increases engine performance while decreasing fuel consumption and wear of the metal parts, extending its lifespan and serviceability.