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Customer reviews for Mobil Delvac 1300 Super Heavy Duty Premium Synthetic Blend Diesel Engine Oil 15W-40 4, 1-gallon bottles for
Mobil Delvac 1300 Super Heavy Duty Premium Synthetic Blend Diesel Engine Oil 15W-40 4, 1-gallon bottles
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4.8 out of 5 stars
stars
1,020 ratings472 reviews
  1. 5 stars92% (938)
  2. 4 stars4% (43)
  3. 3 stars1% (15)
  4. 2 stars1% (7)
  5. 1 star2% (17)

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Showing 301-310 of 472 reviews
Sep 12, 2023
Reviewer name: charles
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Easy to purchase available amost retail locations

Use in my diesel tractor year round.

Review from walmart.com
Helpful?71PFIMTJQYAV7192496819
Feb 23, 2025
Reviewer name: Darian
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

15w 40

The best oil on the market

Review from walmart.com
Helpful?71PFIMTJQYAV7192496819
Sep 26, 2023
Reviewer name: Bill
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Great oil.

Excellent oil. Been using for 40 years. At a good price.

Review from walmart.com
Helpful?71PFIMTJQYAV7192496819
Oct 9, 2024
Reviewer name: WalmartCustomer
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Specified for use in my tractor

Review from walmart.com
Helpful?71PFIMTJQYAV7192496819
Apr 22, 2024
Reviewer name: Bruce
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

You do you I use this product

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

Review from walmart.com
Helpful?71PFIMTJQYAV7192496819
Oct 15, 2024
Reviewer name: Javi
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Economic

Its a good known brand and its at a great price. The bottle design is convenient for pouring.

Review from walmart.com
Helpful?71PFIMTJQYAV7192496819
Aug 16, 2024
Reviewer name: Mike
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

As ordered great deal.

As ordered a great deal on diesel oil

Helpful?71PFIMTJQYAV7192496819
Dec 8, 2024
Reviewer name: JayH
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Excellent price %26 quality

Excellent price and always available

Review from walmart.com
Helpful?71PFIMTJQYAV7192496819
Jul 2, 2025
Reviewer name: joseph
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Why did you take it off the shelves?

Review from walmart.com
Helpful?71PFIMTJQYAV7192496819
Aug 25, 2023
Reviewer name: Thomas
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

The delivery was great. And on time

Review from walmart.com
Helpful?71PFIMTJQYAV7192496819