Mobil Delvac™ - You give it your all. So do we.

Extend the life of your diesel engine with Mobil™ Diesel Products

Mobil Delvac™ 1300 Super 1 gal - Helps extend engine life for newer and older heavy-duty engines
Mobil Delvac™ 1300 Super 2.5 gal - Helps extend engine life for newer and older heavy-duty engines
Mobil 1™ Turbo Diesel Truck 1 gal - Helps extend engine life for hard-working diesel trucks

The power of Mobil Diesel Products

The History of Mobil Delvac™

For more than 90 years, Mobil Delvac™ diesel engine oil has continued to evolve through groundbreaking innovation. Discover the milestones that have kept the wheels of progress turning.

Tough Protection for Hard-working Trucks

Learn why Mobil 1™ Turbo Diesel Truck is a dependable choice for the modern engine.

Get up to $22 off

After making your purchase, visit mobildelvac.com/rebateform to redeem your rebate.

Stretch Belt: Trust Mobil Delvac™ for over 90 years of Proven Protection - Mobil Delvac™ diesel engine oils are specially formulated to help extend the life of diesel engines in both on and off-highway applications. No wonder it’s the advanced heavy-duty lubricant millions of drivers rely on to keep their business running strong.

What is Mobil Delvac™ 1300 Super 15W-40 engine oil?

Mobil Delvac™ 1300 Super 15W-40 is an advanced diesel engine oil that helps extend engine life, allowing you to run your business with confidence. Mobil Delvac™ 1300 Super 15W-40 delivers outstanding performance in both newer and older heavy-duty engines and meets or exceeds the requirements of API CK-4, CJ-4, CI-4 PLUS, CI-4, and CH-4 as well as key OEM requirements.

Is Mobil Delvac™ 1300 Super a synthetic engine oil?

No, Mobil Delvac™ 1300 Super is a premium conventional engine oil that provides better wear protection than some of our competitors’ synthetic blends*~.

Can I use Mobil Delvac™ 1300 Super in a gasoline engine?

Mobil Delvac™ 1300 Super engine oil is universal, meaning it may also be used in gasoline engines requiring the API SN specification, making it a great option for mixed fleet operations.

Mobil 1™ Synthetic Motor Oil

Protects Against The 5 Factors Killing Your Car Better Than Conventional Oil

Get 250,000 miles of protection.**

*Based on average value from a series of eight API CK-4 industry wear tests: Mobil Delvac 1300 Super conventional oil exceeds CK-4 wear requirements by 50% versus Shell Rotella T5 synthetic blend oil exceeds CK-4 wear requirements by 44%.

~Based on Mack T-12 top ring mass loss measurement versus API CJ-4 passing requirement: Mobil Delvac 1300 Super conventional oil exceeds CJ-4 requirements by 72% versus Chevron Delo 400 XLE synthetic blend oil exceeds CJ-4 requirements by 68%.

**Highway miles from vehicle’s first oil change