Trucks on winter road

Announcing our most advanced synthetics  

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

See the new lineup

  • Fleet Manager with truck in background

    Maximizing fleet uptime

    Watch American Expressway tackle the busy Las Vegas Strip with the help of Mobil Delvac™ 1300 Super engine oils.

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  • Save up to $60

    Advanced protection for your big rig or pickup. Loads of savings for your wallet.

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  • ExxonMobil Optimized Oil Drain Interval Process with Mechanic

    Save money. Boost uptime. Extend oil drain intervals.

    The Optimized ODI Process works. See what Mobil Delvac™ lubricants and ExxonMobil engineers can do for you.

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  • Quote from Bighorn Enterprises owner on Mobil Delvac™ engine oil fuel economy

    Protection for your bottom line

    Discover how Mobil Delvac™ oils can help protect diesel engines even in Arctic conditions.

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Learn more about Proposed Category 11

  • Truck driver in front of black truck

    Ready for PC-11?

    Learn about the impact of the American Petroleum Institute’s latest diesel engine oil specification change on you, your trucks and your business.

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  • New API CK-4 and FA-4 oil icons

    The development of PC-11

    Get more of the story behind PC-11. Plus, learn how your fleet can make the switch to CK-4 and FA-4 oils.

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  • CK-4 or FA-4?

    Find out which PC-11 oil is right for your trucks. See our OEM heavy-duty equipment chart for PC-11 product recommendations.

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  • Mobil Delvac FAQ Image with Mechanics

    PC-11 FAQs

    There are a lot of questions surrounding the latest diesel engine oil specification change. Get more of the details behind PC-11 here.

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  • Mobil Delvac Distributor Locator on Tablet

    Find a distributor near you

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

    Find now
  • 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.

    Explore now