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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
I drive a 6.7 Powerstroke and I wanna keep my CP4 pumping for miles to come. Doc's makes it super easy with The Diesel Treatment. I ordered it online and had it to my house in just a couple of days. I don't even have to focus on pouring the right amount because this bottle makes it easy. Fill up the measuring area and dump it in! Much better, than the old additives I used to run!
I poured the diesel treatment into my fuel tank and after a little bit of driving noticed a big difference in acceleration with the infamous 6.0 Powerstroke. Now when I get in the left lane the truck definitely gets around the traffic a lot better.
I’ve been using Doc’s since I bought my 2016 Freightliner Cascadia 2 yrs ago, my def usage went from 220 mpg to 350+ mpg ! And zero regens , now THATS a product that works ! Been recommending it to my teammates.
Okay,just used it
Really have been enjoying this product over the last month. Driver 300 miles a days for work and I’ve seen my fuel increase 2 mpg to make it to 22mpg.
Increase in fuel mileage by 3. Wools great
Like the product but the bottle seems to leak. Had to throw a half bottle away because it leaked in my back seat
I HAVENT HAD A CHANCE TO DRIVE IT MUCH
Haven’t used it enough
It was good I always run additives in my truck and it’s been a great additive so far
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