BEST DIESEL ENGINE OILS

Looking for some of the best DIESEL ENGINE OILS? As you may know, there are dozens of similar products out there and some come with vastly different price tags. Let us help you out here – we have handpicked for you the best DIESEL ENGINE OILS.

10 BEST DIESEL ENGINE OILS

IMAGE PRODUCT RATING PRICE
1. Shell Rotella T6 Full Synthetic 5W-40 Diesel Engine Oil (1-Gallon, Case of 3)
2. Shell Rotella T5 Synthetic Blend 15W-40 Diesel Engine Oil (1 Gallon, Case of 3)
3. Shell Rotella T5 Synthetic Blend 15W-40 Diesel Engine Oil (1 Gallon, Single...
4. Shell Rotella T5 Synthetic Blend 10W-30 Diesel Engine Oil (1-Gallon, Single...
5. Valvoline 773780 Premium Blue SAE 15W-40 Diesel Engine Oil 1 GA, Case of 3
6. Shell Rotella T4 Triple Protection Conventional 15W-40 Diesel Engine Oil...
7. Mobil Super 96819 15W-40 Delvac 1300 Motor Oil - 1 Gallon (Pack of 4)
8. Rotella T6 Full Synthetic 15W-40 Diesel Engine Oil (1-Gallon, Case of 3)
9. Shell Rotella T5 Synthetic Blend 10W-30 Diesel Engine Oil (1-Gallon, Case of 3)
10. Delo 257004470 400 XLE SAE Synblend Synthetic Blend Oil 15W40

Best DIESEL ENGINE OILS

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

$79.99  in stock
13 new from $79.99
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Features

  • For best performance, follow the manufacturer's recommendations in your vehicle owner’s manual.
  • Provides 1. 5% improved fuel economy performance compared to SAE 15W-40 oils
  • Triple Protection Plus formula combines fully synthetic base oils with advanced additives for excellent equipment protection and long engine life
  • Formulated with additive technology that protects against the effects of soot, dirt and other contaminants
  • Engineered with shear stability to resist viscosity loss and maintain optimal engine oil pressure

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

$53.42  in stock
14 new from $53.42
Free shipping
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as of September 30, 2020 11:39 pm

Features

  • For best performance, follow the manufacturer's recommendations in your vehicle owner’s manual.
  • Triple Protection Plus technology protects against wear, deposits and oil breakdown plus provides better low temperature flow compared to SAE 15W-40 oils
  • Helps control engine deposits for reliability at extended oil drain intervals
  • Formulated to control engine wear, 37% better than the maximum wear requirements in API CK-4 engine wear tests
  • Heavy duty engine oil formulated with synthetic base oil components

Shell Rotella T5 Synthetic Blend 15W-40 Diesel Engine Oil (1 Gallon, Single Pack)

$17.82  in stock
11 new from $17.82
Free shipping
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Features

  • For best performance, follow the manufacturer's recommendations in your vehicle owner’s manual.
  • Advanced low-ash formulation helps control the blocking or poisoning of exhaust after treatment devices, helping maintain vehicle emission compliance and engine fuel efficiency.
  • Synthetic base oil components provides the capability to improve cold starting and low temperature performance reduce fuel consumption
  • The Advanced formulation delivers good engine cleanliness and protection against piston deposits ensuring engine and component reliability at extended oil drain intervals.
  • Rotella T5 meets the requirements of the major US engine manufacturers for low emission applications.

Shell Rotella T5 Synthetic Blend 10W-30 Diesel Engine Oil (1-Gallon, Single Pack)

$17.82  in stock
6 new from $17.82
Free shipping
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as of September 30, 2020 11:39 pm

Features

  • For best performance, follow the manufacturer's recommendations in your vehicle owner’s manual.
  • Advanced low-ash formulation which helps control blocking of or poisoning of exhaust after treatment devices
  • Rotella T5 use of synthetic base oil components provides the capability to improve cold starting and reduce fuel consumption and save money, without compromising engine protection or durability
  • Rotella T5 advanced formulation delivers good engine cleanliness and protection against piston deposits ensuring engine and component reliability at extended oil drain intervals
  • Shell Rotella T5 meets the requirements of the major US and European engine manufacturers for low emission applications

Valvoline 773780 Premium Blue SAE 15W-40 Diesel Engine Oil 1 GA, Case of 3

$59.39  in stock
10 new from $59.37
Free shipping
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as of September 30, 2020 11:39 pm

Features

  • For best performance, follow the manufacturer's recommendations in your vehicle owner’s manual.
  • Advanced lubricant performance in modern, emissions treatment equipped diesel engines
  • Unique dispersive polymer technology (DPT) provides advanced soot control, and cold start protection
  • Valve train wear protection and reduced oil filter restriction at high soot levels
  • High temperature deposit control, including single and two-piece pistons, and ring/liner wear protection

Shell Rotella T4 Triple Protection Conventional 15W-40 Diesel Engine Oil (1-Gallon, Case of 3)

$54.60  in stock
11 new from $52.45
Free shipping
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as of September 30, 2020 11:39 pm

Features

  • For best performance, follow the manufacturer's recommendations in your vehicle owner’s manual.
  • Triple Protection from wear, deposits and oil breakdown, this conventional Diesel Engine Oil provides exceptional wear protection for heavy duty engines for longer life
  • Formulated with advanced additive technology, which is engineered for superior engine cleanliness throughout the oil drain interval
  • Provides increased shear stability for better viscosity control and optimal engine oil pressure
  • Heightens emission control system durability and improves oil aeration

Mobil Super 96819 15W-40 Delvac 1300 Motor Oil - 1 Gallon (Pack of 4)

$54.83  in stock
16 new from $51.27
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as of September 30, 2020 11:39 pm

Features

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

Rotella T6 Full Synthetic 15W-40 Diesel Engine Oil (1-Gallon, Case of 3)

$80.00  in stock
13 new from $80.00
Free shipping
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as of September 30, 2020 11:39 pm

Features

  • For best performance, follow the manufacturer's recommendations in your vehicle owner’s manual.
  • Provides 1. 5% improved fuel economy performance compared to SAE 15W-40 oils
  • Triple Protection Plus formula combines fully synthetic base oils with advanced additives for excellent equipment protection and long engine life
  • Formulated with additive technology that protects against the effects of soot, dirt and other contaminants
  • Engineered with shear stability to resist viscosity loss and maintain optimal engine oil pressure

Shell Rotella T5 Synthetic Blend 10W-30 Diesel Engine Oil (1-Gallon, Case of 3)

$67.09  in stock
4 new from $65.50
Free shipping
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as of September 30, 2020 11:39 pm

Features

  • For best performance, follow the manufacturer's recommendations in your vehicle owner’s manual.
  • Triple Protection Plus technology protects against wear, deposits and oil breakdown PLUS better fuel economy performance
  • Fuel economy savings up to 1.6% compared to a conventional 15W-40, helping you stretch your budget and improve your bottom line
  • Provides excellent wear protection, which keeps engines running longer
  • Better cold cranking properties and better low temperature pumpability than conventional 15W-40, it reaches critical engine parts faster in colder temperatures to minimize wear and makes hard work easier in harsh climates

Delo 257004470 400 XLE SAE Synblend Synthetic Blend Oil 15W40

$13.47  in stock
1 new from $13.47
Free shipping
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as of September 30, 2020 11:39 pm

Features

  • For best performance, follow the manufacturer's recommendations in your vehicle owner’s manual.
  • A premium synthetic blend, long drain  mixed-fleet engine oil specifically formulated for on- highway applications, including 2017 greenhouse gas (GHG 17) compliant diesel engines
  • Isosyn Advanced Technology: The Next Generation of Heavy Duty Engine Oil Chemistry - engineered to deliver longer oil life, better wear protection and longer engine life
  • Isoclean: Certified clean - ensure your lubricants meet OEM cleanliness requirements to help you minimize downtime, reduce maintenance costs and extend equipment life
  • Provides high performance piston deposit control and turbocharger protection due to its superb oxidation performance. Its high performing detergent and dispersant additives provide excellent diesel engine component protection.