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10 Best Diesel Engine Oils

Updated November 2024

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

Shell Rotella T

9.8

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Delo 257004470 400 XLE SAE Synblend Synthetic Blend Oil 15W40, 1 Gallon, 1

Delo

9.6

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

Shell Rotella T

9.2

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AmazonBasics Full Synthetic Motor Oil, for Heavy Duty Diesel and Gasoline Engines, 5W-40

AmazonBasics

8.8

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

Shell Rotella T

8.7

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

Shell Rotella T

8.3

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Shell Rotella T4 Triple Protection Conventional 15W-40 Diesel Engine Oil (5 Gallon Pail)

Shell Rotella T

8.0

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Schaeffer Manufacturing Co. 9000-012 Supreme Full Synthetic Diesel Engine Oil, 5W-40, 1 Quart

Schaeffer Manufacturing Co

7.7

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Shell Rotella T5 Synthetic Blend 15W-40 Diesel Engine Oil

Shell Rotella T

7.5

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Shell Rotella T4 Triple Protection 10W-30 Diesel Engine Oil, 1 gallon

Rotella

7.1

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