Mobil Delvac 1300 Super Heavy Duty Premium Synthetic Blend Diesel Engine Oil 15W-40, 1 Gallon
Mobil Delvac 1300 Super Heavy Duty Premium Synthetic Blend Diesel Engine Oil 15W-40, 1 Gallon
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Mobil Delvac 1300 Super Heavy Duty Premium Synthetic Blend Diesel Engine Oil 15W-40, 1 Gallon

4.8 stars out of 2021 reviews
(4.8)|
2,021 ratings
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Key item features

  • Premium Quality: Mobil Delvac 1300 Super 15W-40 is a premium synthetic blend diesel engine oil designed to extend engine life for diesel vehicles and equipment.
  • OEM Collaboration: Developed with top Original Equipment Manufacturers for a wide range of heavy-duty applications and environments.
  • Extended Performance: Delivers extended performance for up to 50% beyond OEM-recommended oil drain intervals.*
  • Backward-Compatible: Fully backward-compatible to deliver exceptional performance in both newer and older heavy-duty engines, as well as gasoline engines with API SN specifications.
  • Superior Control: Provides excellent soot and viscosity control, resistance to oil consumption, and protection against corrosive wear.
  • Wide Application: Recommended for heavy-duty applications in trucking, mining, construction, agricultural, and marine industries.
  • Industry Standards: Meets or exceeds requirements of API CH-4, CI-4, CI-4 PLUS, CJ-4, CK-4, SN, JASO DH-2-17, ACEA E7, ACEA E9, and more.
  • OEM Approvals: Approved by OEMs including Deutz, Detroit, Mack, Mercedes-Benz, Renault Trucks, MAN, and Volvo.
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4.8 out of 5 stars
stars2,021 ratings608 reviews
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Showing 1-3 of 608 reviews

Dec 29, 2025
Bill T.
5 out of 5 stars review

Seller Verified Purchase

Delvac oil

I prefer this oil for my recently purchased diesel truck. It's a 1996 F-350 turbo powerstroke and has 345,000 miles, so a long engine life oil is important to me. It holds 15 quarts so it's great, and makes sense, to buy it in the 5 gallon buckets. I will continue to use it and was also recommended by my son.

Review from mobiloil.com
Helpful?ab518490-0b0e-11f1-8e30-63e7131886fb17034368
Jan 22, 2026
David
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Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

I have used Delvac exclusively in my DD15 for its entire life. 888,000 miles and counting. With NO rebuild! Changed at 25k give or take with 1 gallon of Lucas also included. Never had a bad oil sample report.

Helpful?ab518490-0b0e-11f1-8e30-63e7131886fb17034368
Jan 5, 2026
Larry K
5 out of 5 stars review

Seller Verified Purchase

This is all we use

This is all we use in our diesel trucks. Works well and no issues with our engine. Since we only drive diesel trucks, we go through a lot of this oil.

Review from mobiloil.com
Helpful?ab518490-0b0e-11f1-8e30-63e7131886fb17034368