Mobil Delvac ™ premium synthetic blend heavy-duty diesel engine oils

Premium synthetic blend oils  

Synthetic blend diesel engine oils provide excellent protection and long drain capability in modern diesel engines. Mobil Delvac™ Extreme and Mobil Delvac™ Extreme FE premium synthetic blend, heavy-duty diesel engine oils are recommended by various engine builders for use in many high-performance diesel engines.
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  • Mobil Delvac™ Extreme

    Mobil Delvac™ Extreme 10W-30 diesel engine oil with CK-4 identifier

    Features a boosted formulation that meets or exceeds the API CK-4 specification and provides excellent engine protection – even in extreme conditions.

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  • Mobil Delvac™ Extreme FE

    Mobil Delvac™ Extreme FE 10W-30 diesel engine oil with FA-4 identifier

    Provides extended drain capability and meets or exceeds the API FA-4 specification for fuel-efficient engine oils.

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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.

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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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