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SURGEON GENERAL'S WARNING: Smoking Causes Lung Cancer, Heart Disease, Emphysema, And May Complicate Pregnancy.

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Get a $50 statement credit when you open an account between July 23 – August 18 and use it to make $30 in eligible Sam's Club purchases within 30 days

¹Offer subject to credit approval. During the offer period, new accounts that qualify will earn a $50 statement credit instead of a $30 statement credit that you may see otherwise advertised. To qualify, you must (i) apply and be approved for a Sam’s Club credit card account between 7/23/25 – 8/18/25, and (ii) use your new account to make Sam’s Club purchases totaling $30 or more (excluding cash advances, gift card sales, alcohol, tobacco and pharmacy purchases) within 30 days of date of account opening. When you open an account online or with your mobile device, purchases cannot be made at in-club registers until the physical card is received. Your physical card should arrive in 7–10 business days from date of account opening. A $50 credit will post to the account within 90 days after the qualifying purchases are made. Offer is valid for newly opened accounts only and each account is eligible for only one $50 offer, in lieu of, and not in addition to, any advertised $30 offer.

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

<p>Mobil Delvac 1300 Super 15W-40 (4-pack / 1-gallon bottles) is a synthetic-blend diesel engine oil designed to ensure extended engine life. Delvac diesel oil is ideal for business operations that require reliable transport on a daily basis.</p> <p>Mobil Delvac 1300 Super is developed in collaboration with top OEMs (original equipment manufacturers) and is recommended for a wide range of heavy-duty applications like the trucking, mining, construction, agricultural and marine industries.</p> <h3>What Can I Expect From Mobil Delvac 1300 Super 15W-40 oil?</h3> <p>Delvac oil provides excellent soot and viscosity control as well as resistance to oil consumption and corrosive wear. It meets all API CK-4 requirements put in place by Detroit, Cummins and Volvo. It also offers up to one and a half the average recommendation for extended oil drain interval potential. This oil also meets all CI-4 PLUS and CH-4 requirements as well as typical manufacturer requirements.</p> <h3>Mobil Delvac 15W40's Many Uses</h3> <p>Mobil Delvac 15W40 synthetic oil can be used in even the most modern diesel engines, even those equipped with EGR and after treatment systems. It also is ideal for older diesel designs, so you don't need other oil for your different rigs. Heavy-duty trucking applications like agriculture, mining and construction are no match to the Mobil Delvac 15W40 formulation. It's designed to offer low-temperature pump-ability, which presents as reduced wear during start-up and a faster flow of oil.</p> <h3>How Long Will Mobil Delvac 1300 Super 15W-40 Case Last?</h3> <p>This case of Delvac diesel oil comes with four bottles, each of which contains a full gallon of oil. As it works for mixed fleet operations, you can use it in all diesel engines in your fleet without worries. With a case of four, the oil is an economical option that you can store until needed. Rather than dealing with quart bottles, it makes for a convenient oil choice that is easy to use. The superior oil consumption level leads to lower costs when using large amounts of oil.</p>

Brand

<ul>  <li>Premium synthetic blend diesel oil</li>  <li>Helps to extend engine life for diesel vehicles</li>  <li>Delivers extended performance for up to 50% beyond OEM-recommended oil drain intervals</li>  <li>Delivers excellent soot and viscosity control</li>  <li>4 pack of 1-gallon bottles</li> </ul>

Specifications

title_store_delivery_instore_pickup

<ul>
<li>Premium synthetic blend diesel oil</li>
<li>Helps to extend engine life for diesel vehicles</li>
<li>Delivers extended performance for up to 50% beyond OEM-recommended oil drain intervals</li>
<li>Delivers excellent soot and viscosity control</li>
<li>4 pack of 1-gallon bottles</li>
</ul>

It's oil for an engine, what else is there to review. it performs as expected. gets dirty as expected, must be changed at interval as expected.  If engine had grenaded, that would have not been as expected.

Does what it is supposed to do.

walmart.com

I really like purchasing the oil and doing the oil change on my 2500 Heavy Duty truck.  I can do this myself and save over $100.00 on having a Dealership change it.

Best oil for a 2500 Heavy Duty truck.

The value for your money is diffently with mobil and Walmart, its the best price around and it helps drivers keep up with their pm because having to get a pm done every 10,000 miles is really costly. We have been using this one for about 2 years and order it from Walmart.

keeps your pms done

This motor oil is a synthetic blend. It tolerates heat longer than regular dinosaur motor oil and doesn't breakdown nearly as quickly as regular motor oil does. In other words, this oil protects my motor better than regular motor oil does and it does this for a longer period of time.

Great deal!

We have a fleet of six offshore charter fishing  boats, all with Caterpillar diesels. This oil is recommended  by the Cat dealer as the oil  to use if you want to keep up with the specs in your warranty  Lots of years with NO trouble. The only motor oil We use

Capt. Walter

[This review was collected as part of a promotion.] I have been using  Mobil oil for over  39 years and the equipment  that I put the oil in is still running  great.

I used it in a 7.3 for years ... and now in a 3.0 ... no problems, no consumption issues ... works well in motorcycle engines too.

Good stuff

i use this in both of my 99 F250s with the 7.3l. four gallons fit like a glove. one engine has over 400,000 miles and still going strong.

Non synthetic oil is getting harder to find as newer diesel engines require synthetic oil. As an older diesel truck owner, a synthetic blend oil is the next best thing.

Synthetic Blend , Next Best Thing

[This review was collected as part of a promotion.] I didn't get to purchase the one I actually wanted

Good oil.  I have used it for 340k miles.  The rebate will only work with a paper reciept

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

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Shell Rotella T5 15W-40 Synthetic Blend Heavy-Duty Diesel Engine Oil, 3-pack/1 gallon bottles