Doc's Diesel DOC'S Chevrolet Silverado 4500/5500/6500 HD 6.6L Duramax Fuel Filter 2019-2023 | Replaces AC/Delco TP1021
Doc's Diesel DOC'S Chevrolet Silverado 4500/5500/6500 HD 6.6L Duramax Fuel Filter 2019-2023 | Replaces AC/Delco TP1021

Doc's Diesel

Chevrolet Silverado 4500/5500/6500 HD 6.6L Duramax Fuel Filter 2019-2024

Replaces AC/Delco TP1021
FITS YOUR VEHICLE
Change Vehicle
Regular Price
Sale Price $39.99

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  • Item is in stock
  • Free USA Shipping Over $99*
  • 3rd-Party Tested

Doc's Diesel Fuel Filter/Water Separators:

Doc's premium fuel filters remove contaminants like dirt, rust, and debris, protecting fuel system components and ensuring peak engine performance. They optimize fuel flow and pressure, enhancing acceleration, fuel economy, and vehicle performance. With a focus on maximizing filtration media surface area, our high-quality filters come complete with o-rings as needed. All Doc's fuel filters are designed to meet or exceed OEM requirements!

Product Details:

  • Designed with high efficiency media
  • Premium 3-layer pleated cellulose glass media that offers unparalleled protection for your fuel system
  • Large capacity filter pleats that allow exceptional flow rates
  • Constructed with high strength carbon steel housing (when applicable)
  • Comes ready to install with o-rings (when applicable)
  • OEM design, fit, and function that meets or exceeds OEM Requirements

Fitment + Interchange:

Vehicle Fitment:

  • 2019-2023 Chevrolet/GMC 6.6L Duramax 4500, 5500, 6500 HD

Interchange:

  • Doc's DTP1021: AC/Delco TP1021

Change Interval:

Above all recommendations, change according to your vehicle’s manufacturer warranty.

  • Fuel Filter/Water Separators: every 5,000-10,000 miles or 15,000 miles max

Doc's Diesel Fuel Filter/Water Separators:

Doc's premium fuel filters remove contaminants like dirt, rust, and debris, protecting fuel system components and ensuring peak engine performance. They optimize fuel flow and pressure, enhancing acceleration, fuel economy, and vehicle performance. With a focus on maximizing filtration media surface area, our high-quality filters come complete with o-rings as needed. All Doc's fuel filters are designed to meet or exceed OEM requirements!

pdp filter

DOC'S DIESEL

THE NEW STANDARD IN AFTERMARKET FILTERS

Doc's Diesel Filters are spec'd and designed to meet or exceed the quality/performance of the original filters (OEM's) that come in your vehicle. Doc's premium grade media filter paper used on all Doc's Filters is what sets Doc's above the rest.

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

Backorders Disclaimer?

Due to the unprecedented times of supply chain disruption, backordered items are a forecast. The items could be shipped out a couple weeks later than the stated date or a couple weeks earlier. We will still print the shipping labels when the item is ordered to be prepared for when we ship out and if you get a notification but don't see tracking movement, it is because the shipping labels were printed. Thank You for your support and understanding!