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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 241-250 of 472 reviews
Apr 21, 2024
Reviewer name: WalmartCustomer
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

[This review was collected as part of a promotion.] Mobil Makes a good product %26 meets OEM specs

Review from walmart.com
Helpful?71PFIMTJQYAV7192496819
May 15, 2025
Reviewer name: Ahmad
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Very good product and great service

Review from walmart.com
Helpful?71PFIMTJQYAV7192496819
Aug 18, 2025
Reviewer name: Hikers
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

WOW! what a deal others sell this by the quart for the same cost as this gallon.

Review from walmart.com
Helpful?71PFIMTJQYAV7192496819
Sep 7, 2023
Reviewer name: Mrbilltill
4 out of 5 stars
4 out of 5 stars review

Verified Purchase

Best Buy now here if lower ho go on it ! Thanks David md thanks 😊

Review from walmart.com
Helpful?71PFIMTJQYAV7192496819
Sep 28, 2020
Reviewer name: Singh
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

This is best and cheapest 15w 40 delvac oil u can get from Walmart

Review from walmart.com
Helpful?71PFIMTJQYAV7192496819
Jan 31, 2020
Reviewer name: Cortes
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Cortes

Nice price when is on sale

Helpful?71PFIMTJQYAV7192496819
Aug 12, 2021
Reviewer name: Jc
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Good price when they are on sale

I have three Freightliner’s and I always use this oil for them.

Helpful?71PFIMTJQYAV7192496819
Aug 4, 2023
Reviewer name: Jeffrey
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Helping a trucker save and still enjoy his down

I like that I can buy this item while I shop for my food it makes my life a lot easier

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

Verified Purchase

I didn't get to purchase the one I actually wanted

Review from walmart.com
Helpful?71PFIMTJQYAV7192496819
Jul 1, 2025
Reviewer name: Mary
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Diesel motor oil

Keeps my diesel pick up running! She’s 20 years old, with more than 312,000 miles on her.

Review from walmart.com
Helpful?71PFIMTJQYAV7192496819