Best Diesel Synthetic Oil 2023: Top 10

Sometimes it might be quite difficult to find the best diesel synthetic oil. With every niche market offering so many different products, it makes sense that this is the case.

Unfortunately, this very fact can make it incredibly difficult to find the item that best suits your needs, which is why we’ve put together this diesel synthetic oil buying guide.

Quick Picks:

#	Preview	Product
1		Valvoline Premium Blue Extreme SAE 5W-40 Full Synthetic Diesel Engine Oil 1 GA, Case of 3	Check Price
2		Triax Fleet Supreme ESP 5W-40 API CK-4 Full Synthetic Diesel Engine Oil, Friction Optimized and...	Check Price
3		Shell Rotella T5 Synthetic Blend 15W-40 Diesel Engine Oil (1 Gallon, Case of 3)	Check Price
4		Shell Rotella T6 Full Synthetic 5W-40 Diesel Engine Oil (1-Gallon, Case of 3)	Check Price
5		Schaeffer Manufacturing Co. 9000CK4-006S SynShield OTR Plus Full Synthetic Diesel Engine Oil 5W-40,...	Check Price
6		Mobil 1 122260 5W-40 Turbo Diesel Synthetic Motor Oil - 1 Gallon (Pack of 3)	Check Price
7		Ford Genuine XO-5W40-5QSD SAE 5W-40 Full Synthetic Diesel Motor Oil - 1.25 U.S. Gal (4.73L), Single...	Check Price
8		Triax Fleet Supreme ESP 15W-40 API CK-4 Full Synthetic Diesel Engine Oil, Friction Optimized and...	Check Price
9		Lucas Oil 10299-PK4 Synthetic 15W-40 CJ-4 Truck Oil - 1 Gallon Jug, Pack of 4	Check Price
10		Shell Rotella T6 Full Synthetic Multi-Vehicle 5W-30 Diesel Engine Oil (1-Gallon, Case of 3)	Check Price

Best Diesel Synthetic Oil Reviews:

SaleBestseller No. 1

Valvoline Premium Blue Extreme SAE 5W-40 Full Synthetic Diesel Engine Oil 1 GA, Case of 3

• “The Only One“ endorsed and recommended by Cummins
• Superior synthetic base stocks provide faster, safe starts during freezing weather and enhanced thermal properties for hot weather operations
• Outstanding oxidation resistance supports long oil life in heavy duty engines
• Superior wear protection for hardworking heavy-duty trucks and equipment

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Bestseller No. 2

Triax Fleet Supreme ESP 5W-40 API CK-4 Full Synthetic Diesel Engine Oil, Friction Optimized and Boosted with Molybdenum & Nano-Boron, Superb Powerstroke Performance (5 Gallon Pail)

• Unique Additive Technology for UNSURPASSED WEAR PROTECTION, oxidation, and high temp stability. 60% lower wear than leading lubricants and standards. WIDE RANGE COMPATIBLE - Compatible with all heavy-duty diesel engines.
• HIGHEST VISCOSITY INDEX any 5W-40 motor oil, of any brand, with exceptional stability and flow properties. Friction modified and VI stabilizer pre-boosted. Un-rivaled turbo-charger protection, will not create deposits and ash on turbo bearings (will not fry on the turbo). Up to 4% Fuel economy vs any 15W-40. COLD FLOW - Exceptional cold flow down to - 46 F.
• OUTSTANDING POWER-STROKE PERFORMANCE Including 6.0 L turbo diesel: ELIMINATES STICTION AND INJECTOR ISSUES that plague Power-stroke engines - No need for additional additives - Contains state-of-the-art dispersal and ash control systems to keep your engine extremely clean.
• EXTREME DRAIN CAPABILITIES: 25,000 mile drain interval for pickups and 80,000 for class 8 semi-trucks*
• WHAT WILL YOU NOTICE THE FIRST TIME YOU SWITCH? - Dramatic reduction of engine noise. Improved fuel economy by at least 2%. Substantially longer drain intervals vs all other brands. Virtually no deposits on turbos. Significantly improved oil analysis results and engine durability.

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Bestseller No. 3

Shell Rotella T5 Synthetic Blend 15W-40 Diesel Engine Oil (1 Gallon, Case of 3)

• Synthetic blend 15W-40 diesel engine oil with Triple Protection Plus technology protects against wear, deposits, and oil breakdown
• Ideal for on-highway fleets, construction, and agricultural machinery, and diesel pickup trucks — including high-power vehicles that require resistance to heat and stress
• Improves low-temperature flow (compared to conventional 15W-40 oils)
• Helps control engine deposits for reliability at extended oil drain intervals (always follow the OEM recommended oil drain interval)
• Controls engine wear 37 percent better than the maximum wear requirements in API CK-4 engine wear tests

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SaleBestseller No. 4

Shell Rotella T6 Full Synthetic 5W-40 Diesel Engine Oil (1-Gallon, Case of 3)

• Full synthetic 5W-40 diesel engine oil with Triple Protection Plus technology protects against wear, deposits, oil breakdown, and improves low-temperature flow
• Exceptional wear protection for longer life in a wide range of heavy-duty engine applications — from pickup trucks to tractors to semi rigs
• Enhanced fuel economy capability of 1.5 percent without compromising engine protection or durability (compared to 15W-40 oils)
• Multi-functional dispersant additives provide an enhanced level of protection against the effects of soot, dirt, and other contaminants (compared to previous formulation)
• Increased shear stability for better viscosity control and optimal engine oil pressure

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SaleBestseller No. 5

Schaeffer Manufacturing Co. 9000CK4-006S SynShield OTR Plus Full Synthetic Diesel Engine Oil 5W-40, 1-Gallon Bottle

• Maintains Fuel Economy Without Sacrificing Engine Durability.
• Superior Cold Weather Startability And Operating Characteristics.
• Oil Strength: Withstands Higher Heat Range Than Conventional Oils.
• Keep-Clean Performance: Superior Soot Busting, Deposit-Dispersing Capability.

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SaleBestseller No. 6

Mobil 1 122260 5W-40 Turbo Diesel Synthetic Motor Oil - 1 Gallon (Pack of 3)

• Exceptional resistance to high-temperature varnish and low-temperature sludge deposits to help keep engines clean
• Wide viscosity range provides outstanding protection consistent with an SAE 40 grade oil at high temperatures, combined with the easy cold-start performance of a 5W rated oil
• Outstanding wear protection
• Excellent high- and low-temperature performance; Pours at temperatures as low as -53 degree Fahrenheit and protects at oil temperatures as high as 400 degree Fahrenheit
• Improved protection against sludge and harmful deposits; Excellent fuel economy benefits

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Bestseller No. 7

Ford Genuine XO-5W40-5QSD SAE 5W-40 Full Synthetic Diesel Motor Oil - 1.25 U.S. Gal (4.73L), Single Pack

• It satisfies the requirements as well as most other domestic and import diesel engine manufacturers
• Country of Origin : United States
• The Package Height of the Product is 14.0 inches
• The Package Length of the Product is 8.0 inches

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SaleBestseller No. 8

Triax Fleet Supreme ESP 15W-40 API CK-4 Full Synthetic Diesel Engine Oil, Friction Optimized and Boosted with Molybdenum and Nano-Boron, Superb Powerstroke Performance (5 Gallon Pail)

• CRP organic, metallic, Moly plating technology for unsurpassed wear protection, oxidation, and high temp stability
• Friction modified and VI stabilizer pre-boosted; un-rivaled turbo-charger protection; will not create deposits and ash on turbo bearings (will not fry on the turbo)
• Contains state-of-the-art dispersal and ash control systems to keep your engine extremely clean
• Extreme drain intervals capabilities; 25,000-mile drain interval for pickups and 80,000 for class 8 semi-trucks
• Eliminates the need to clean diesel particulate filters and is for use in virtually all diesel-powered pickups and heavy-duty trucks, both pre 2007 and post 2007 models fitted with emission control systems

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Bestseller No. 9

Lucas Oil 10299-PK4 Synthetic 15W-40 CJ-4 Truck Oil - 1 Gallon Jug, Pack of 4

• For best performance, follow the manufacturer's recommendations in your vehicle owner’s manual.

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Bestseller No. 10

Shell Rotella T6 Full Synthetic Multi-Vehicle 5W-30 Diesel Engine Oil (1-Gallon, Case of 3)

• Full synthetic 5W-30 engine oil with Triple Protection Plus technology protects against wear, deposits, oil breakdown, and improves high/low temperature performance
• Performs extremely well in both diesel and gasoline engines, allowing mixed fleet customers to consolidate lubricants
• Enhanced fuel economy capability of 2.8 percent, helping to deliver fuel savings without compromising engine protection or durability (compared to conventional SAE 15W-40 oils)
• Increased shear stability for better viscosity control and optimal engine oil pressure
• Strong oxidation protection helps to minimize the formation of acids and oil thickening, resulting in a longer, cleaner engine life

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Last update on 2023-02-05 / Affiliate links / Images from Amazon Product Advertising API

How to find the best diesel synthetic oil?

Here, we’ll be going over a number of factors that you can use to ensure that you’re purchasing the best diesel synthetic oil for you.

Regardless of which type of item you’re looking to buy, chances are that there are existing buying guides on the internet, all of which aim to give you good diesel synthetic oil recommendations.

Despite these recommendations, however, it’s always a good idea to do your own research. In addition to this research, asking yourself the following questions is also super helpful:

• What features does the diesel synthetic oil need to have to be perfect for my needs?
• What is my budget?
• Do I need to purchase a certain brand?

Once you’ve answered these questions and have a good idea of what you’re looking for and the buying process becomes much easier. Keep in mind that when looking for the best product, there’s no need to rush. In fact, very rarely are the ideal products found by choosing the first one you see or by basing your decisions on only one factor. Take your time and enjoy the process!

Now, with the answers to the previous questions in mind, we urge you to use our upcoming buying guide for diesel synthetic oil to find what you’re looking for:

Brand

In some cases, the brand of diesel synthetic oil is very important. For example, if you’re looking for an item that works in tandem with another, you might very well need both products to be the same brand. If this is the case, it’s vital to pay attention to this factor, as choosing the wrong product can mean the difference between wasting your money and buying a great product that functions as it should.

Features

The features in any given diesel synthetic oil are important because they can dictate which version of an item you need and how much money you need to spend. Consider all the key features that you want your item to have and don’t settle for anything that doesn’t check at least ¾ of your boxes.

Reviews

Customer reviews about diesel synthetic oil are crucial – especially when you’re buying a product that costs a lot of money or serves a big importance. Luckily, most products can be found online, which means that it’s common for there to be scores of customer reviews from those who have already purchased any given product.

Pay attention to these reviews. Take note of the pros and cons that they mention, and factor these into your big decision. In some cases, you’ll be forced to sacrifice one con in order to gain a particular pro, but being aware of the potential con is going to be beneficial in either case.

Quality

Of course, quality is key. You don’t want to purchase a low-quality product. If you do, you run the risk of your item breaking, not working properly, or otherwise proving to be very disappointing, as well as a waste of money.

You can compare diesel synthetic oil quality by researching what your potential purchases are made from, contrasting the individual items against each other to discern which one is made of the best materials.

Warranty

Warranty isn’t always going to be important, but it definitely can be. This is especially true if the item in question is tech-related or expensive. A good warranty will be valid for an extended time after purchase and cover a variety of problems ranging from item defects to random accidents, water damage, and other miscellaneous events that could ruin your product.

Conclusion

The quest to find the best diesel synthetic oil can be daunting – but it doesn’t have to be. It can be made much easier by asking yourself a few simple questions and then thinking critically about the items you want to buy. Consider their features, quality, brand, warranty, and customer reviews and you’re more likely to make a great purchase.