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Mobil Delvac 1300 Super Heavy Duty Premium Synthetic Blend Diesel Engine Oil 15W-40 4, 1-gallon bottles

Mobile Delvac 1300 Super 15W-40 Great Purchase

Recommended oil for my RV Onan generator.

RV generator oil

walmart.com

Excellent service

Delvac 15/40

It’s oil. No need to review. Arrived in a timely manner

Great oil. 200,000 miles in 2 years. Oil changes every 6,000 miles. Great price. Good stuff.

Great oil.

Been using it for my semi truck for 3 years now very good oil

I REALLY liked the price as it was the best I could find

Best Prices

[This review was collected as part of a promotion.] Good service and fair pricing

I have used mobile 15/40 and chevron Delo for years I never use Shell rotella

You do you I use this product

Hello, I asked for 12 gallons of oil but they only brought me 11 and I would like all the gallons to appear in the photo they take because if they take it in the car they cannot be counted and there is no proof that they sent me the amount I asked for.

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.

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