Drivers and fleets around the globe rely on Mobil Delvac™ diesel engine oils. Chosen by many of the world’s leading heavy-duty original equipment manufacturers, Mobil Delvac oils help protect your engine to keep you going strong on the road.
Uses synthetic blend technology to provide excellent protection in modern, high performance diesel engines.
Helps extend engine life, provides long drain capability and meets or exceeds the new API FA-4 specification for fuel-efficient engine oils.
Helps extend diesel engine life for some of the most severe on- and off-highway applications.
Delivers high performance in both on- and off-highway applications and meets or exceeds the new API FA-4 specification for fuel-efficient engine oils.
Helps prolong engine life in severe on- and off-highway applications.
Formulated specifically for spark-ignited CNG/LNG-fueled stoichiometric and lean-burn engines.
Learn about the satisfaction and pressure of hauling Tony Stewart’s racecar from Ken Gober, truck driver for the Stewart-Haas Racing team.
Check out our interactive bumper-to-bumper guide.
Use our locator tool to find out where to buy Mobil Delvac™ products in your area.