Doc's Diesel

Doc's x Hot Shot's Secret Interval Diesel Fuel Treatment + Oil Treatment + Diesel Treatment Set

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$76.99

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  • Item is in stock
  • Free USA Shipping Over $99*
  • FITMENT GUARANTEED

About Product:

Doc's Diesel & Hot Shot's Secret are partnering to bring their #1 stiction removal product and Fuel Treatment to the Doc's Family with Interval Oil Treatment and Interval Fuel Treatment, Powered By Hot Shot's Secret. These additives will be a a great addition to your Doc's Diesel Filter maintenance plans!

Product Details:

The Diesel Treatment

  • CETANE BOOST: For cold starting and combustion
  • INCREASES FUEL ECONOMY: Enhances lubricity & Performance
  • CLEANS INJECTORS: Disperses water & prevents rust
  • PREMIUM TREATMENT PLAN: 1oz/25 gallon or 16oz/400 gallons
  • PERFORMANCE TREATMENT PLAN: 2 oz/25 gallon or 16oz/200 gallons

Interval Fuel Treatment

  • Cleans cylinders, fuel lines, Tank, and disperses water/moisture
  • Reduces need for DPF Regeneration Cycles up to 50%
  • Improves Throttle Response & Power
  • Protects against Rust & Corrosion, and stabilizes fuel
  • Boosts Cetane up to 7 pts
  • Fully Formulated to get rid of IDIDs

Interval Oil Treatment

  • Protects Turbos, Injectors, & Rings
  • Removes 50% more stiction than competitors (verified by 3rd party ASTM Testing)
  • Reduces Wear up to 62%
  • Cleans & Lubricates
  • Quicker Turbo Spool Times
  • Improves Fuel Economy

Treatment Plan

  • Interval Fuel Treatment: Use 8oz of Interval Fuel Treatment per 20 gallons of diesel fuel. Use every 6,000 miles. Include in your schedule Doc's Diesel maintenance plan and in conjunction with Doc's Diesel The Diesel Treatment.
  • Interval Oil Treatment: Use 2oz of Interval Oil Treatment per 1 qt of oil. Include in your scheduled maintenance plan and add to your oil with every oil change for best results.

FIND THE PARTS YOUR TRUCK NEEDS

SELECT YOUR VEHICLE

CLEAR FILTERS

If this product does not fit your vehicle, you will be redirected to products that do fit your vehicle.

DIESEL TRUCK MAINTENANCE MADE EASY.

Doc’s Diesel is your trusted online source for premium maintenance parts built specifically for Cummins, Powerstroke, Duramax, and EcoDiesel trucks. From filters and brakes to full oil kits, we make it easy to get the right parts without the inflated prices you’ll find at dealerships or parts stores.

Whether you're a weekend wrench or a full-time heavy hauler, Doc’s helps you skip the markup, avoid the breakdowns, and keep your truck running strong—all without wasting time chasing parts.

DIESEL TRUCK MAINTENANCE MADE EASY.

Doc’s Diesel is your trusted online source for premium maintenance parts built specifically for Cummins, Powerstroke, Duramax, and EcoDiesel trucks. From filters and brakes to full oil kits, we make it easy to get the right parts without the inflated prices you’ll find at dealerships or parts stores.

Whether you're a weekend wrench or a full-time heavy hauler, Doc’s helps you skip the markup, avoid the breakdowns, and keep your truck running strong—all without wasting time chasing parts.

Customer Reviews

Customer Reviews

Based on 33 reviews
85%
(28)
9%
(3)
3%
(1)
0%
(0)
3%
(1)
J
James Beers
Great products

Doc's diesel additives have greatly increased the performance of my truck. I recommend them to everyone I know running a diesel engine. I also use them in my tractor as well.

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O
Omar Farias
Astronomical Savings

Phenomenal products, incredible pricing. Switching to Docs products has saved me $1000-1200 a month for my business. My ONLY gripe is customer service is email only and is slower than molasses rolling up hill. Regardless I will still continue to purchase from Docs, period.

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R
Robert Hoffman
The stuff works

Seems to do what’s advertised, quick shipping. Will be using these products from now on.

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Eric Hinckley
DocDiesel Fanboy

Since I ever found out about y’all, I’ve bought exclusively your guy’s products for my truck. Love the collab with HotShot Secret, and your products overall. Never had a single problem with the products, and it’s helping me keep my truck on the road. Much love to y’all, keep up the good work!

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J
John Martin
Awesome stuff.

The products came proply and they were pacaged well, I have noticed a differance in power of my 2500 Ram. the prices are great too. I will buy all of my needed filters and additives from Doc's from now on.

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T
Thomas D
Great Product

Great products to keep my truck going

M
Mark Neidl
Awesome and excellent product

Thank you for your awesome products and quick shipment.

L
Levi Brown
6.0

great everything was perfect

V
Vail Johnson
Oil change

So far truck is doing better than ever but the kit for my 2023 f350 6.7 was one gallon short had to by at parts store so it would be full other than that great deal

M
M Wrenn
Great stuff

Excellent product and convenient

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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, and 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 Original Equipment Manufacturer’s (OEM) 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. 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. Once filters are received, we will refund your money (minus price of return shipping) within 2-4 business days. We will refund to your original form of payment. 

To start a return, visit our Returns Center.

View Our Official Limited Warranty Policy

Thank you!