Mobil Delvac™ heavy duty oils for diesel engines both FA 4 and CK 4 grades

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.

Oils by brand

  • Mobil delvac 1

    Mobil Delvac 1™

    The lineup of Mobil Delvac 1™ heavy-duty diesel engine oils can help boost uptime and improve bottom lines for commercial fleets.

  • Mobil Delvac™ diesel engine oil products

    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.

Oils by formulation

Oils by engine type

  • Mobil Delvac™ diesel engine oil products

    Diesel engine oils

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

  • Mobil Delvac™ CNG/LNG engine oil

    Natural gas engine oils

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

  • Mobil Delvac Distributor Locator on Tablet

    Distributor locator

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

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  • Coolant Antifreeze Mobil Delvac extended life prediluted

    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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