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Doc's Diesel The 15W-40 Full Synthetic Heavy Duty Diesel Oil

Doc's Diesel

The 15W-40 Full Synthetic Heavy Duty Diesel Oil

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Sale Price $41.99
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  • Free USA Shipping Over $99*
  • 3rd-Party Tested

About Product:

Powered by Hot Shot's Secret the 15W-40 Full Synthetic Heavy Duty Diesel Engine Oil is a CK-4 specification additive package built with synthetic group III base oils, and contains the patented FR3 Nano Technology to provide the absolute best level of protection to your diesel engine.

The FR3 Nano Technology infusion provides protection, longevity, and performance gains that other synthetic oils will not allow.

Product Details:

INCREASED EFFICIENCY: The blended friction reducing agents provide an unmatched level of technology that enhances performance, increases fuel economy and is proven to provide up to 78% less oil consumption than the specification during the CAT 1N test.

SUPERIOR PROTECTION: Protects down to the nano level and resists shearing under the most extreme temperatures. The included additive package has proven to reduce wear up to 71% in Cummins ISM severe service test.

Oil Capacity:

  • 6.7L Cummins: 3.012 Gallons (12 Quarts)
  • 6.7L Powerstroke: 3.25 Gallons (13 Quarts)
  • 6.6L Duramax: 2.5 Gallons (10 Quarts)
  • 3.0L Duramax: 1.75 Gallons (7 Quarts)
  • 3.0L EcoDiesel: 2.65 Gallons (10.6 Quarts)

About Product:

Powered by Hot Shot's Secret the 15W40 Full Synthetic Heavy Duty Diesel Engine Oil is a CK-4 specification additive package built with synthetic group III base oils, and contains the patented FR3 Nano Technology to provide the absolute best level of protection to your diesel engine.

The FR3 Nano Technology infusion provides protection, longevity, and performance gains that other synthetic oils will not allow.

DOC'S DIESEL

DIESEL TRUCK MAINTENANCE MADE EASY.

Your one-stop online shop for diesel truck maintenance. Premium Filters, Brakes, Oil & More for Cummins, Powerstroke, Duramax, & Ecodiesel trucks. Do-it-Yourself with Doc’s Diesel. Doc’s cut out those pesky markups you often find from OEM’s, dealerships, & parts stores. Keep your truck in top shape and avoid costly breakdowns. Spend less time searching & more time on the road.

Customer Reviews

Customer Reviews

Based on 118 reviews
86%
(101)
3%
(4)
3%
(3)
1%
(1)
8%
(9)
A
Anonymous
1
Doc’s diesel only #1

Doc’s diesel has proven to have quality parts that i am proud to use in my truck definitely recommend to all my diesel brothers and sisters

W
Wyatt Taylor
Really good oil! One thing...

I love how easy it was to purchase and the price is great for this high end of oil. My only complaint is the shape of oil container makes it really hard to pour even into a funnel. Apart from that I love the oil

V
Victor Grijalva
Legit !

Changed all my filters and oil all at once. •fuel•oil •cab•air•crankcaseIt’s truly a one stop shop. With quality and no price gouging

W
Wade Goldsmith
Not the cheapest…..

This oil is a bit more pricey than off the shelf synthetic from your big box store but if you believe that it has been improved on over the off the shelf it seems to be a good deal. I just did a full service on my 2020 Denali Duramax using all Doc’s products and am pleased. Just wish it was all American made products.

F
Florin Sarbu
1st shipment of Doc’s product.

I was disappointed on the condition of the outside box that was thrashed. On the inside I found the oil filter rolling around outside of its packaging, and the fuel filter and diesel filter boxes were damaged exposing the filters and gaskets. I do want to try these products out and do believe that this a well thought out brand, but wish the shipment wasn’t such a failure. Thank you.

C
Christofer Nieves
3
Perfect fit

Smoth ride on my truck perfect oil

M
Micky VAUGHN
3
6.7 Cummins oil change kit

Everything needed comes in the kit. Seems like a good product so far.

T
Terry Lyle

Really like the one stop shop.your 6.7powerstroke complete filter and oil kit makes it so easy..fast delivery I'm definitely going to be a repeat customer. Thank you

B
Brad Combs
Full Synthetic Oil

It's definitely better that anything I've used previously. The engine gets and runs quieter with this in it 🙌

F
Francisco javier Cosino
Servicio y calidad

Muy buena experiencia pues cuentan con un muy buen servicio y entrega del producto a tiempo, sien por siento recomiendo doc’diesel porque tienen productos de muy buena calidad

FREQUENTLY ASKED QUESTIONS

What’s your shipping policy?

We offer Free Shipping over $99 on all orders within the contiguous United States. Expedited shipping is available for an additional charge. Alaska, Hawaii, and Canada will have shipping fees.

Where does Doc’s Diesel ship to?

We ship to the U.S. and Canada! For Canada orders, any taxes, duties, or customs fees are the responsibility of the buyer. We handle orders in 1-2 business days (Most of the time in less than 24 hours if ordered on a week day). Depending on location, U.S. orders will arrive between 3-5 business days from your order. Canada orders typically arrive within 7-11 days.

What is your warranty?

View our Official Limited Warranty Doc’s Diesel Filters meet or exceed (OEM) Original Equipment Manufacturer’s requirements. New vehicle warranties stay in effect when Doc’s Diesel filters are installed correctly and in conjunction to engine manufacturer’s recommendations.

Where is my order?

If you have not received your confirmation email us sales@docsdiesel.com so we can get everything sorted out ASAP. If you received a confirmation but no shipment email, we are still working on your order. Don't hesitate to email sales@docsdiesel.com if you would like more information and we'd be happy to check on your order. Please Include your order # in the email.

For Tracking information, it will be in your shipment email. Check the tracking # first or the latest updates. Doc's Diesel, just like you are at the mercy of shipping companies after a shipment leaves our warehouse. If there's been an issue with shipment we will happily work with you to figure out where the order is and what we can do to help. Once again you can reach out to sales@docsdiesel and include your order # in the email. Thank You.

Why didn’t I get a confirmation email?

Sometimes an email may get sent to your spam folder! So don’t forget to check that. If you need more help to hesitate to reach us at sales@docsdiesel.com

How do I start a return?

If you are unhappy with your purchase for whatever reason and it's within 30 days from your purchase you can return your diesel filters back to us. Item has to be in new condition. Email us and we will email you a return slip. Once filters are received, we will refund your money within 2-4 business days. We will refund to your original form of payment minus the return slip fees.

To start a return email sales@docsdiesel.com