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Marine engine close up in the dark

Mobil Delvac 1™ ESP marine diesel engine oil 

Mobil Delvac 1™ ESP fully synthetic diesel engine oil helps extend oil drain intervals by up to 10 times.* Backed by more than 30 years of specialist synthetic formulation expertise, it is designed to help:

  • Extend engine life
  • Protect components
  • Reduce waste oil
  • Improve operational efficiency

*Based upon field testing in high-speed, 4-stroke marine engines, compared with conventional heavy-duty diesel engine oil; actual results may vary.

Suggested products in Mobil Delvac 1™ ESP marine diesel engine oil

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  • Cummins Engine Inspection at International Workboat Show

    Almost a decade of protection and cleanliness

    See the results inside a Cummins KTA38 marine diesel engine after running Mobil Delvac 1™ ESP engine oil for almost a decade.

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    Mobil Serv℠ Lubricant Analysis

    This state-of- the-art programme helps you prolong engine life, avoid unscheduled downtime and maintain equipment reliability.

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