Mobil Delvac™ heavy duty oils for diesel engines

Mobil Delvac™ technology helps maximize engine life  

As longtime leaders in specialized lubricants, ExxonMobil offers advanced diesel engine oils engineered to lubricate and protect modern, low-emission engine designs.
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Oils by brand

  • Mobil Delvac 1™

    A full synthetic, heavy-duty diesel engine oil that helps extend engine life while providing long drain capability and fuel economy potential.

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  • Mobil Delvac™

    Drivers and fleets around the globe rely on Mobil Delvac™ diesel engine oils – a recognized leader in heavy-duty lubricants for more than 90 years.

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Oils by formulation

  • Advanced full synthetic oils

    Heavy-duty diesel engine oils that help extend engine life while providing extended oil drain intervals.

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  • Premium synthetic blend oils

    Heavy-duty diesel engine oils that provide excellent protection in both new diesel engines and older models.

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  • Premium conventional oils

    Heavy-duty diesel engine oils that help extend engine life in severe on- and off-highway applications.

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Oils by engine type

  • Oils for diesel engines

    A wide range of heavy-duty synthetic and conventional diesel engine oils formulated to help extend engine life.

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  • Oils for natural gas engines

    High-performance, heavy-duty engine oils for spark-ignited, CNG/LNG-fueled trucks and buses.

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  • Find a distributor near you

    Use our locator tool to find out where to buy Mobil Delvac™ products in your area.

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  • Bumper-to-bumper product guide

    It’s easy to find the right Mobil Delvac™ product for any fleet application. Explore our bumper-to-bumper product guide now.

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