Doc's Diesel

SOS Cold Weather Diesel Rescue Treatment

$23.99
Doc's Diesel 24/7 Diesel Treatment + Cetane Boost

Free 24/7 Diesel Treatment on Your 2nd Subscription Order

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Includes a free bottle of 24/7 Diesel Treatment, on us.

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    Over $99*

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Designed in Ohio. Built to Our Specs.

  • Engineered to OEM specifications
  • Trusted by thousands of truck owners
  • Rigorously tested before it reaches you
  • Not satisfied? We'll make it right.
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Doc's Diesel SOS Cold Weather Diesel Rescue Treatment

Beat the Cold Snap

Make it a winter kit

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VEHICLE FITMENT
INTERCHANGE

FOR WINTER EMERGENCIES

Reliquefies Gelled Fuel

Reliquefies Gelled Fuel

De-Ices Fuel Filters

De-Ices Fuel Filters

Prevents Fuel Filter Icing

Prevents Fuel Filter Icing

Un-Gel on Contact

Reliquefies waxed-up diesel fast to get fuel flowing again. No waiting, no towing.

Ice? What Ice?

Melts frozen filters so your engine can breathe again. Designed for the worst winter throws at you.

Filter Freeze Fighter

Stops ice before it forms in your fuel filter. Keeps cold starts clean and smooth.

COMPARE OUR ADDITIVES

Your Selected Treatment 24/7 Diesel Treatment + Cetane Boost 24/7 Diesel Treatment + Cetane Boost Interval Diesel Treatment Interval Diesel Treatment Oil  Friction Treatment Oil  Friction Treatment DEF Guard DEF Guard DPF & Injector Fuel Flush DPF & Injector Fuel Flush SOS Diesel Rescue SOS Diesel Rescue
When to Use Every fill-up, year-round Every 5,000 miles or normal service intervals Add at every oil change or whenever extra engine protection is needed. Ongoing DEF system maintenance or when DEF issues start When regens increase, power drops, or emissions codes appear Emergency use for gelled fuel, water contamination, or no-start situations
What it Does Keeps diesel clean, lubricated, and running efficiently. Boosts cetane for smoother operation, easier starts, and fuel system protection. Deep cleans the fuel system, clearing carbon and injector deposits. Restores power, improves fuel economy, and reduces regens. Reduces friction, heat, and wear while protecting critical engine parts. Helps prevent injector stiction and improves cold-start performance under heavy loads. Keeps DEF systems clean and working like they should. Helps prevent crystallization, reduces DEF-related faults, and protects SCR components. Removes tough injector deposits, restores spray patterns, and improves throttle response. Helps balance injectors and reduce regens. Restores diesel flow instantly by reliquefying gelled fuel and de-icing filters, effective down to -25°F. Helps prevent downtime and protect the fuel system.
Year-Round Maintenance Role Everyday protection. Ideal for drivers who want simple, consistent maintenance at every tank. The backbone of diesel maintenance. Keeps systems clean before problems start. Oil-system protection. Extends engine life by reducing wear and strengthening the oil’s ability to protect under stress. Preventive DEF maintenance. Use regularly to avoid costly emissions problems. Corrective treatment. Fixes existing issues,not an every-fill product. Emergency-only solution. Keep it on hand — hope you never need it.

Customer Reviews

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!