When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Fitment Guaranteed or 100% Money Back ---
Free Shipping on Orders $99+
MENU Store Categories
- Cummins
- Powerstroke
- Duramax
- EcoDiesel
- Oil + Additives
- Apparel + Merch
Store Support
Store Categories
- Cummins
- Powerstroke
- Duramax
- EcoDiesel
- Oil + Additives
- Apparel + Merch
Diesel Fuel Filter Fits Chevrolet/GMC 6.6L/3.0L Duramax 2017-2026 Product Description Doc\'s Diesel Fuel Filters:
Doc\'s 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.
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)
- Doc\'s Auto Parts all have an OEM design, fit, and function that meet or exceed OEM Requirements
Micron + Efficiency Rating:
- 3 Micron @ 98.13% Efficiency Rating - Efficiency SAE J1985 3rd-Party Test Results
Doc\'s Part Number:
DGF429
Change Interval:
Above all recommendations, change according to your vehicle’s manufacturer\'s warranty.
- Fuel Filters: Every 5,000-10,000 miles or 15,000 miles maximum
Payment Payment Policies
Ready to wrap it up? Hit the Buy It Now button at the top of the page. Please note that the Pay Now button is ONLY available after completing a Buy It Now purchase.
Shipping Shipping Policies
Spend $99 or more and we’ll ship your order free anywhere in the lower 48.
Returns Return Policies
Not satisfied? No problem. You’ve got 30 days to send your parts back as long as they’re unused and in new condition. Just start a return through and we’ll handle the rest.
About Us About Doc\'s Diesel
At Doc’s Diesel, we make truck maintenance simple and affordable with parts that last. We started with premium filters that meet or beat OEM standards—and we didn’t stop there.
Now we offer brakes, hubs, wipers, oil, and more for Cummins, Powerstroke, Duramax, and EcoDiesel. Everything’s lab-tested and work-tested.
Based in small-town Ohio, and built on hard work, no B.S., and doing the job right.
Contact Contact Doc\'s Diesel
Got questions? We’re here for it. click here to reach out and we’ll get back to you ASAP.
Shop By Category Cummins Powerstroke Duramax EcoDiesel Oil + Additives Apparel + Merch
Copyright © Doc\'s Diesel 2026.
All rights reserved.
Layout designed by Ninja Templates.
